CN108827713A - Water sample mixing system and method is adopted for the automatic measuring station of outdoor water quality - Google Patents
Water sample mixing system and method is adopted for the automatic measuring station of outdoor water quality Download PDFInfo
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- CN108827713A CN108827713A CN201810941494.1A CN201810941494A CN108827713A CN 108827713 A CN108827713 A CN 108827713A CN 201810941494 A CN201810941494 A CN 201810941494A CN 108827713 A CN108827713 A CN 108827713A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims description 14
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 238000011010 flushing procedure Methods 0.000 claims description 14
- 230000002000 scavenging effect Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 34
- 238000001514 detection method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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Abstract
Water sample mixing system is adopted for the automatic measuring station of outdoor water quality the present invention provides a kind of, including:Sample mixing cup is provided with water inlet, overflow port and discharge outlet on the sample mixing cup;Water gathering tube road, including preceding pipeline, sampling pipe, overflow pipe, snorkel and evacuated tube;Timer, the timer are connected to the inlet valve, the recoil valve, the sampling valve and the exhaust-valve, for controlling unlatching period and the opening times of the inlet valve, the recoil valve, the sampling valve and the exhaust-valve.According to the technical solution of the present invention, so that monitoring object is the mixed sample adopted in water monitoring interval time section twice every time, it can reflect the integrated status in monitoring blank time section water quality to a certain degree.
Description
Technical field
The present invention relates to the technical fields of environmentally friendly water quality monitoring, examine automatically in particular to one kind for outdoor water quality
Survey station adopts water sample mixing system and a kind of adopts water sample mixing method for the automatic measuring station of outdoor water quality.
Background technique
With the development of science and technology, environmental protection is increasingly taken seriously, the water quality monitoring as environmental protection subdivision field
Industry also increasingly causes public concern, is not provided with sample mixing process in conventional Water Automatic Monitoring System sampling system, general
Standard sample monitoring cycle be 4h it is primary, monitoring gap it is long, adopted in water monitoring interval twice, if there is tested water body
It arranges steathily, omit phenomenon in printing, can not capture, so that the data deficiency detected is representative, the actual nature of water quality unable to monitor.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes the new outdoor water quality that is used for of one kind and detects automatically
That stands adopts water sample mixing scheme, so that monitoring object is the mixed sample adopted in water monitoring interval time section twice, Neng Gouyi every time
Determine degree to reflect in the integrated status for monitoring blank time section water quality.
Inventor has found after conducting further research to the present invention, in use, conventional automatic water quality monitoring
It is not provided with sample mixing process in sampling system of standing, generallys use the detection cycle of national sites standard, treats geodetic within every 4 hours
Water quality is once sampled, and is directly detected using the water sample of the period, if in this 4 hours interval time section memory
It is stolen in water body to be measured and arranges, omits phenomenon in printing, be easy can't detect, such that water sample to be measured lacks representativeness, can not reflect
Out in the integrated status of monitoring blank time section water quality.
In view of this, the invention proposes a kind of new to adopt water sample mixing system, packet for the automatic measuring station of outdoor water quality
It includes:Sample mixing cup is provided with water inlet, overflow port and discharge outlet on the sample mixing cup;Water gathering tube road, including preceding pipeline, sampling
Pipe, overflow pipe, snorkel and evacuated tube, the water gathering tube road is communicated with by the preceding pipeline adopts water pump, the preposition pipe
Road includes water inlet pipe and recoil tube, and inlet valve is provided on the water inlet pipe, is provided with recoil valve on the recoil tube, it is described into
Water pipe connects with the recoil tube is connected to the sampling pipe, is provided with sampling valve on the sampling pipe, the sampling pipe it is another
One end is connected to the water inlet, and one end of the evacuated tube is connected to the discharge outlet, emptying is provided in the evacuated tube
Valve, one end of the overflow pipe are connected to the overflow port, and the other end of the overflow pipe is connected to the evacuated tube, described logical
One end of tracheae is connected to the overflow pipe, and the other end of the snorkel is connected to the water inlet pipe;Timer, the timing
Device is connected to the inlet valve, the recoil valve, the sampling valve and the exhaust-valve, for controlling the inlet valve, described
The unlatching period of recoil valve, the sampling valve and the exhaust-valve and opening times.
In the technical scheme, it is provided with water inlet pipe and recoil tube on preceding pipeline, is arranged on water inlet pipe and recoil tube
Inlet valve and recoil valve using pumping for water pump is adopted, can intake at water inlet pipe, flow out from recoil tube, realize when opening
The cleaning of preceding pipeline avoids the blocking of preceding pipeline;Evacuated tube can be connected to sample mixing cup with sampling pipe in conjunction with water inlet pipe, utilize
Pumping for water pump is adopted, sample mixing cup is cleaned, prevents the impurity effect testing result in sample mixing cup;Timer is connected into water
Valve, recoil valve, sampling valve and exhaust-valve, the sample mixing period and sample mixing time for making it possible to be arranged on the timer according to user,
Time-division transfer inlet valve, recoil valve, sampling valve and exhaust-valve automatic shutter, realization acquire water sample at times automatically, go forward side by side
The purpose of row sample mixing, so that monitoring object is the mixed sample adopted in water monitoring interval time section twice every time.
In the above-mentioned technical solutions, it is preferable that be additionally provided with partition in the sample mixing cup, by the overflow port and it is described go out
The mouth of a river is separated with the water inlet, and the top of the partition is provided with filter screen.
In the above-mentioned technical solutions, it is preferable that be provided with hand-operated valve on the sampling pipe and the snorkel.
In the above-mentioned technical solutions, it is preferable that the end of the head end and the overflow pipe of the water inlet pipe and the recoil tube
End is provided with union.
In the above-mentioned technical solutions, it is preferable that the sample mixing cup is transparent material.
In the technical scheme, the sample mixing cup of transparent material directly observes the sample mixing situation in sample mixing cup convenient for user.
According to the second aspect of the invention, propose it is a kind of adopt water sample mixing method for the automatic measuring station of outdoor water quality,
Including:The first step detects user preset sample mixing period and sample mixing number in the timer;Second step, according to described mixed
The sample period obtains flushing of pipeline time point, sample mixing cup scavenging period point and starts water time point;Third step, it is described when detecting
When timer runs to the flushing of pipeline time point, water pump, the inlet valve and the recoil valve are adopted described in unlatching, carry out institute
State preceding pipeline flushing;4th step, when detecting that the timer runs to the sample mixing cup scavenging period point, described in unlatching
Sampling valve and the exhaust-valve carry out the cleaning of sample mixing cup;5th step, when detecting that the timer runs to the beginning water
When time point, the exhaust-valve is closed, the sample mixing cup starts water, completes the single injected sampling in the single sample mixing period;The
Six steps within the single sample mixing period, repeat third when the single injected sampling for detecting the single sample mixing period is completed
Step, the 4th step and the 5th step, until completing the sample mixing number detected, wherein the exhaust-valve is only single described mixed
It is opened when sample introduction for the first time in the sample period.
In the technical scheme, by detection user, preset sample mixing period and sample mixing number obtain pipeline in timer
Washing time point, sample mixing cup scavenging period point and beginning water time point, the flushing of pipeline time point, sample mixing cup scavenging period point
It can be configured with water time point is started, by flushing of pipeline time point, sample mixing cup scavenging period point and water can be started
The time interval at time point reduces, and can shorten the sample mixing period;By in the single injected sampling for detecting the single sample mixing period
When completion, within the single sample mixing period, repeats opening and closing and adopt water pump, inlet valve, recoil valve and exhaust-valve, until completing sample mixing time
Number, the sample mixing number can configure, allow to increase the sample mixing number in a complete sample mixing period, shorten between monitoring
Gap improves sample mixing frequency, can be effectively reduced to steal in monitoring gap water body and arranges, omits the ignored situation of phenomenon in printing to water quality detection
Influence can reflect the synthesis of the water quality in monitoring blank time section to a certain degree so that monitoring result is representative
Situation.
By above technical scheme, the water sample to geodetic can be extracted at times, and water to be measured is re-formed after being mixed
Sample improves the representative of monitoring result so that monitoring object is the mixed sample adopted in water monitoring interval time section twice every time
Property, it can reflect the integrated status in monitoring blank time section water quality to a certain degree.
Detailed description of the invention
Fig. 1, which is shown, according to an embodiment of the invention adopts water sample mixing system for the outdoor automatic measuring station of water quality
Structural schematic diagram;
Fig. 2 shows adopt water sample mixing system for outdoor water quality automatic measuring station according to another embodiment of the invention
Side structure schematic diagram;
Fig. 3 show according to another embodiment of the invention adopt water sample mixing system for the outdoor automatic measuring station of water quality
Overlooking structure diagram;
Fig. 4 shows the connection signal block diagram of timer according to the present invention and inlet valve, recoil valve, sampling valve and exhaust-valve;
The process for adopting water sample mixing method for the automatic measuring station of outdoor water quality that Fig. 5 shows embodiment according to the present invention is shown
It is intended to.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Once combine Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 that the present invention is further detailed.
As shown in Figures 1 to 4, the embodiment of the present invention for the outdoor automatic measuring station of water quality adopts water sample mixing system,
Including:Sample mixing cup 101 is provided with water inlet 102, overflow port 103 and discharge outlet 104 on the sample mixing cup 101;Water gathering tube road,
Including preceding pipeline, sampling pipe 105, overflow pipe 106, snorkel 107 and evacuated tube 108, the water gathering tube road is by before described
It sets pipeline connection and adopts water pump(It is not shown in the figure), the preceding pipeline includes water inlet pipe 109 and recoil tube 110, the water inlet
It is provided with inlet valve 111 on pipe 109, recoil valve 112, the water inlet pipe 109 and the recoil are provided on the recoil tube 110
Pipe 110, which connects, is connected to the sampling pipe 105, is provided with sampling valve 113 on the sampling pipe 105, the sampling pipe 105 it is another
One end is connected to the water inlet 102, and one end of the evacuated tube 108 is connected to the discharge outlet 104, the evacuated tube 108
On be provided with exhaust-valve 114, one end of the overflow pipe 106 is connected to the overflow port 103, the overflow pipe 106 it is another
End is connected to the evacuated tube 108, and one end of the snorkel 107 is connected to the overflow pipe 106, the snorkel 107
The other end is connected to the water inlet pipe 109;Timer 115, the timer 115 are connected to the inlet valve 111, the recoil
Valve 112, the sampling valve 113 and the exhaust-valve 114, for controlling the inlet valve 111, the recoil valve 112, described adopting
The unlatching period and opening times of sample valve 113 and the exhaust-valve 114.
In the above-mentioned technical solutions, it is preferable that partition 116 is additionally provided in the sample mixing cup 101, by the overflow port
103 and the water outlet separated with the water inlet 102, the top of the partition 116 is provided with filter screen 117.
In the above-mentioned technical solutions, it is preferable that be provided with hand-operated valve on the sampling pipe 105 and the snorkel 107
118。
In the above-mentioned technical solutions, it is preferable that the head end and the overflow of the water inlet pipe 109 and the recoil tube 110
The end of pipe 106 is provided with union 119.
In the above-mentioned technical solutions, it is preferable that the sample mixing cup 101 is transparent material.
In the technical scheme, water inlet pipe 109 and recoil tube 110, water inlet pipe 109 and recoil tube are provided on preceding pipeline
The inlet valve 111 and recoil valve 112 being arranged on 110, using pumping for water pump is adopted, can intake when opening at water inlet pipe 109,
It is flowed out from recoil tube 110, realizes the cleaning of preceding pipeline, avoid the blocking of preceding pipeline;Evacuated tube 108 can be in conjunction with water inlet
Pipe 109 is connected to sample mixing cup 101 with sampling pipe 105, using pumping for water pump is adopted, cleans to sample mixing cup 101, prevents sample mixing cup
Impurity effect testing result in 101;Timer 115 is connected to inlet valve 111, recoil valve 112, sampling valve 113 and exhaust-valve
114, make it possible to the sample mixing period and sample mixing time being arranged on timer 115 according to user, time-division transfer inlet valve
111, the automatic shutter of recoil valve 112, sampling valve 113 and exhaust-valve 114, realization acquires water sample automatically at times, and is mixed
The purpose of sample, so that monitoring object is the mixed sample adopted in water monitoring interval time section twice every time;Wherein transparent material
Sample mixing cup 101 directly observes the sample mixing situation in sample mixing cup 101 convenient for user.
As shown in figure 5, a kind of adopt water sample mixing method for the automatic measuring station of outdoor water quality, including:
Step 501, the first step detects user preset sample mixing period and sample mixing number in the timer;
Step 502, second step obtains flushing of pipeline time point, sample mixing cup scavenging period point and beginning according to the sample mixing period
Water time point;
Step 503, third step adopts water described in unlatching when detecting that the timer runs to the flushing of pipeline time point
Pump, the inlet valve and the recoil valve, carry out the preceding pipeline flushing;
Step 504, the 4th step is adopted described in unlatching when detecting that the timer runs to the sample mixing cup scavenging period point
Sample valve and the exhaust-valve carry out the cleaning of sample mixing cup;
Step 505, the 5th step closes the emptying when detecting that the timer runs to the beginning water time point
Valve, the sample mixing cup start water, complete the single injected sampling in the single sample mixing period;
Step 506, the 6th step, when the single injected sampling for detecting the single sample mixing period is completed, in the single sample mixing week
In phase, third step, the 4th step and the 5th step are repeated, until completing the sample mixing number detected, wherein the exhaust-valve is only
It is opened when sample introduction for the first time within the single sample mixing period.
In the technical scheme, by detection user, preset sample mixing period and sample mixing number obtain pipeline in timer
Washing time point, sample mixing cup scavenging period point and beginning water time point, the flushing of pipeline time point, sample mixing cup scavenging period point
It can be configured with water time point is started, by flushing of pipeline time point, sample mixing cup scavenging period point and water can be started
The time interval at time point reduces, and can shorten the sample mixing period;By in the single injected sampling for detecting the single sample mixing period
When completion, within the single sample mixing period, repeats opening and closing and adopt water pump, inlet valve, recoil valve and exhaust-valve, until completing sample mixing time
Number, the sample mixing number can configure, allow to increase the sample mixing number in a complete sample mixing period, shorten between monitoring
Gap improves sample mixing frequency, can be effectively reduced to steal in monitoring gap water body and arranges, omits the ignored situation of phenomenon in printing to water quality detection
Influence can reflect the synthesis of the water quality in monitoring blank time section to a certain degree so that monitoring result is representative
Situation.
In the actual use process, the water inlet pipe of the system is connected to and adopts water pump by user, outside recoil tube and evacuated tube
It is connected to geodetic;When starting to carry out adopting water sample mixing, before being carried out automatically according to the sample mixing period preset in the timer detected
It sets flushing of pipeline, the cleaning of sample mixing cup and sample mixing cup and starts water, i.e., first open and adopt water pump, inlet valve, recoil valve, realize preposition pipe
Road is rinsed, and washing time is configurable, after the washing time operation of configuration, is closed recoil valve, is opened sampling valve, exhaust-valve,
Realize the cleaning of sample mixing cup, wherein exhaust-valve is only opened in single sample mixing period sample introduction for the first time, and scavenging period is configurable, configuration
After scavenging period is run, exhaust-valve is closed, sample mixing cup starts water, and wherein sample mixing period and sample mixing number are configurable,
In, within the single sample mixing period, repeat the movement in the said one sample mixing period until the sample mixing number that completion is set, single
A water sample mixing process of adopting finishes.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and technical solution of the present invention proposes a kind of new
For the water sample of the automatic measuring station of outdoor water quality adopted water sample mixing system and method, can extract to geodetic at times, and carry out
Water sample to be measured is re-formed after mixing, so that monitoring object is the mixed sample adopted in water monitoring interval time section twice every time, is mentioned
The high representativeness of monitoring result, can reflect the integrated status in monitoring blank time section water quality to a certain degree.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of adopt water sample mixing system for the automatic measuring station of outdoor water quality, which is characterized in that including:
Sample mixing cup is provided with water inlet, overflow port and discharge outlet on the sample mixing cup;
Water gathering tube road, including preceding pipeline, sampling pipe, overflow pipe, snorkel and evacuated tube, the water gathering tube road is by before described
It sets pipeline connection and adopts water pump, the preceding pipeline includes water inlet pipe and recoil tube, and inlet valve, institute are provided on the water inlet pipe
It states and is provided with recoil valve on recoil tube, the water inlet pipe connects with the recoil tube is connected to the sampling pipe, the sampling pipe
On be provided with sampling valve, the other end of the sampling pipe is connected to the water inlet, and one end of the evacuated tube is connected to described
Discharge outlet is provided with exhaust-valve in the evacuated tube, and one end of the overflow pipe is connected to the overflow port, the overflow pipe
The other end is connected to the evacuated tube, and one end of the snorkel is connected to the overflow pipe, and the other end of the snorkel connects
It is connected to the water inlet pipe;
Timer, the timer are connected to the inlet valve, the recoil valve, the sampling valve and the exhaust-valve, are used for
Control unlatching period and the opening times of the inlet valve, the recoil valve, the sampling valve and the exhaust-valve.
2. according to claim 1 adopt water sample mixing system for the automatic measuring station of outdoor water quality, which is characterized in that described
Be additionally provided with partition in sample mixing cup, the overflow port and the water outlet separated with the water inlet, the partition it is upper
Portion is provided with filter screen.
3. according to claim 1 adopt water sample mixing system for the automatic measuring station of outdoor water quality, which is characterized in that described
Hand-operated valve is provided on sampling pipe and the snorkel.
4. according to claim 1 adopt water sample mixing system for the automatic measuring station of outdoor water quality, which is characterized in that described
The end of the head end and the overflow pipe of water inlet pipe and the recoil tube is provided with union.
5. according to claim 1 adopt water sample mixing system for the automatic measuring station of outdoor water quality, which is characterized in that described
Sample mixing cup is transparent material.
6. a kind of adopt water sample mixing method for the automatic measuring station of outdoor water quality, which is characterized in that including:
The first step detects user preset sample mixing period and sample mixing number in the timer;
Second step obtains flushing of pipeline time point, sample mixing cup scavenging period point according to the sample mixing period and starts the water time
Point;
Third step, when detecting that the timer runs to the flushing of pipeline time point, adopted described in unlatching water pump, it is described into
Water valve and the recoil valve carry out the preceding pipeline flushing;
4th step opens the sampling valve and institute when detecting that the timer runs to the sample mixing cup scavenging period point
Exhaust-valve is stated, the cleaning of sample mixing cup is carried out;
5th step closes the exhaust-valve when detecting that the timer runs to the beginning water time point, described mixed
Sample cup starts water, completes the single injected sampling in the single sample mixing period;
6th step within the single sample mixing period, is repeated when the single injected sampling for detecting the single sample mixing period is completed
Third step, the 4th step, the 5th step and the 6th step, until completing the sample mixing number detected, wherein the exhaust-valve only exists
It is opened when sample introduction for the first time in the single sample mixing period.
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Cited By (4)
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CN110320070A (en) * | 2019-07-22 | 2019-10-11 | 上海业跃信息科技有限公司 | A kind of water quality monitoring pretreatment unit and water quality monitoring system |
CN111076982A (en) * | 2019-12-31 | 2020-04-28 | 广州市净水有限公司 | Automatic monitoring hybrid sampling pretreatment system and method |
CN113500057A (en) * | 2021-08-14 | 2021-10-15 | 安徽中科华测检验检测有限公司 | Water quality detection equipment with self-cleaning function |
CN114594224A (en) * | 2022-05-09 | 2022-06-07 | 深圳市鼎钛海工装备有限公司 | Micro-station water quality monitoring method and system |
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CN111076982A (en) * | 2019-12-31 | 2020-04-28 | 广州市净水有限公司 | Automatic monitoring hybrid sampling pretreatment system and method |
CN113500057A (en) * | 2021-08-14 | 2021-10-15 | 安徽中科华测检验检测有限公司 | Water quality detection equipment with self-cleaning function |
CN114594224A (en) * | 2022-05-09 | 2022-06-07 | 深圳市鼎钛海工装备有限公司 | Micro-station water quality monitoring method and system |
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