Gas chromatography for directly measuring seven trace amount haloacetic acids in canned tea beverage
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Block chain signature verification method and device and storage medium
CN109725089A
The gas chromatography-mass spectrometry of three kinds of halogenated cinnamic acids of trace in a kind of measurement rice
CN109725088A
The gas chromatography-mass spectrometry of 2- naphthoic acid and its derivative in a kind of measurement bean sprouts
CN109725090A
The gas chromatography-mass spectrometry of four kinds of trace benzenpropanoic acids in a kind of measurement source water
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The gas chromatography-mass spectrometry of three kinds of trace phenyl polyhalide phenol in a kind of measurement textile
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The gas chromatography of underwater trace antiphen and hexachlorophene is drunk in a kind of measurement
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Eight kinds of remaining gas chromatographies of phenoxy carboxylic acid herbicides in a kind of measurement corn
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The gas chromatography of underwater trace 2,4,6- trichlorophenol and trichloro pyridyl sodium alcoholate is drunk in a kind of measurement
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Gas chromatography-mass spectrometry that is a kind of while measuring three kinds of trace quinolines herbicides in rice and soybean
CN109212078A
The gas chromatography of five kinds of trace chloro-pyridine acid herbicides in a kind of measurement rice
CN109212079A
Four kinds of traces are to the gas chromatography-mass spectrometry of halobenzene fluoroacetic acid class plant growth regulator in a kind of measurement tomato
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The gas chromatography-mass spectrometry of three kinds of trace imidazolinone herbicides in a kind of measurement bean powder
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The gas chromatography of trace ethephon (CEPHA),2-(chloroethyl) phosphonic acid in a kind of measurement pears
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A kind of gas chromatography measuring trace Brominal, ioxynil and chloroxynil residual quantity in corn and wheat
CN109212070A
Gas chromatography that is a kind of while measuring four kinds of benzoic acid herbicides in cereal
CN109212056A
The gas chromatography-mass spectrometry of three kinds of trace monohaloalkyl methyl benzoic acids in a kind of measurement source water
CN109212055A
The gas chromatography-mass spectrometry of four kinds of trace monohaloalkyl phenylacetic acids in a kind of measurement drinking water
CN109212110A
The gas chromatography-mass spectrometry of three kinds of trace monohaloalkyl 4-hydroxy-benzonitriles in a kind of measurement river
CN109212057A
The gas chromatography-mass spectrometry of five kinds of trace plant growth regulator in a kind of measurement source water
