A method used to simutaniously analyze the residues of herbicides 2, 4-dichlorophenoxyacetic acid (2,4-D), 2-(2,4-dichiorophenoxy) propanoic acid (2,4-DP) and 2,4-dichiorophenoxybutyric acid (2,4-DB) in garlic was developed in our study.

本研究建立了一種應(yīng)用基質(zhì)固相分散－高效液相色譜法猛操视频，同時(shí)測定大蒜中2，4-二氯苯氧乙酸日木一级坐爱片、2产国69囗交视频国产，4-二氯苯氧丙酸及2，4-二氯苯氧丁酸等3種2欧美视频黄页播放大全，4-D類除草劑殘留的方法日韩美女偷自拍视频网站在线观看免费。

We had finished some items such as propanoic acid and acetic acid series antimildew compound. animal and vegctable hydrolyzed protcin. yeastextracts. starch sodium octenylsuccinate. etc.

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Approximately 30 mg of fresh algal material was extracted by homogenising it in ice-cold 5% 5-sulfosalicylic acid solution containing 6.3 mM diethylentriaminepentaacetic acid, according to De Knecht et al.

大約30毫克的淡水藻類物質(zhì)提取homogenising在冰冷的5％的5-磺基水楊酸溶液的載有6.3毫米三乙四胺五乙酸，根據(jù)De Knecht等人（1994年）欧美又粗又大午夜AAA级。

It was observed that indoleacetic acid could greatly enhanced the chemiluminescence intensity of tris-(1,10-phenanthroline) ruthenium Ru(phen(superscript 2+ subscript 3)-cerium system. Based on this finding, a novel CL method was developed for the determination of IAA.

基於吲哚乙酸對三（1无码日韩免费专区迅雷下载，10-菲咯啉）釕[Ru(上標(biāo) 2+下標(biāo) 3)]-Ce化學(xué)發(fā)光體系的發(fā)光增強(qiáng)作用，建立了一種化學(xué)發(fā)光直接檢測IAA的新方法。

4Production of chemical products from which narcotics are easily made ephedrine, 3, 4-idene dihydro phenyl -2-acctonc, phenyl acetic acid, 1- phenyl -2-acetone, heliotropin, safrole, isosafrole, acetic oxide

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It was expressed as inclusion body and was purified by Ni-NTA Column Affinity Chromatography under denaturing conditions. The inclusion body was then refolded by two different ways, both of which can produce activated enzyme.

在變性條件下，包涵體經(jīng)鎳次氮基三乙酸柱層析純化18岁禁止av，并以兩種不同的方法進(jìn)行復(fù)性亚洲天堂你懂得，均可獲得具有活性的HaSNPV幾丁質(zhì)酶。

Heating, ethanol precipitation, and ion-exchange chromatographies had been carried out to isolate the protein with specific stimulating activity from newborn calf liver, and [(3)H]thymidine deoxyribose/bromodeoxyuridine incorporation and carboxyfluorescein diacetate succinimidyl ester-based proliferation assay to determine the bioactivity in vitro and in vivo.

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The depressing ability of the macromolecule organic depressants can be improved by the increase of their D.S.. The high D.S. CPVA and CPEG show strong depressing ability to calcite, while CPEG indicates strong depressing ability to diaspore, and HPAM to pyrite.The depressing mechanism of organic depressants was confirmed by the measurements of zeta potential, contact angles, adsorption capacity and IR spectrum.

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