Dichloro-2 pyridine azo-2,4 diamine methyl benzene is used as the developer for cobalt in determination of trace cobalt in iron ore.

應(yīng)用5—［（3三级片毛片免费看，5—二氯—2—吡啶）偶氮］—2A片在线观看,，4—二氨基甲苯作鈷的顯色劑測定鐵礦石中的微量鈷，最大吸收峰位于波長590nm處欧美三级片一区，摩爾吸光系數(shù)為1亚洲女人黄色性生活视频。

This, Neway Securities analyst Huang Bo told reporters that if the issuance of the smooth passage, the red sun's pesticide rapid expansion of production capacity, at the same time will have to be fat pyrethrum, Pyridine alkali and glyphosate acid three complete industry chain platform, the formation of "intermediate - the original drugs - agents - sales channels," the overall advantage.

為此，新時代證券分析師黃百告訴記者人人操2018，如果順利通過發(fā)行HEZYO在线爆乳，紅太陽農(nóng)藥迅速擴大生產(chǎn)能力的同時，將必須脂肪除蟲菊国产性爱短视频，吡啶堿和草甘膦酸三個完整的產(chǎn)業(yè)鏈平臺黄网站直接观看，以&中間形成-了-代理商-銷售渠道&的整體優(yōu)勢原來的藥物。

The paper applied the quantum chemistry methods and systematically studied the following 4 systems:(1) poly(alkylthiophene-co-pyridine)s;(2) carbazolyl-pyridinyl alternating copolymers;(3) 2,7- linked and 3,6-linked carbazole trimers (4) phenol-pyridyl boron complexes.

本文用量子化學方法系統(tǒng)研究了如下4個體系：(1)系列噻吩和吡啶共聚物最新国外哟哟aⅴ网站；(2)咔唑和吡啶交替聚合物A一级特黄大片强奷全过程；(3) 2，7-咔唑和3小说区图片，6-咔唑三聚物制服美女视频一区；(4)苯酚-吡啶硼配合物。

The N-butyl pyridine tetrafluoroborate (BF4) ionic liquid was synthesized, which was used to prepare the phenyl glycidyl ether as solvent and catalyst.

合成了N-正丁基吡啶氟硼酸鹽(BF4)離子液體一级a爱做片无码免费手机在线，并將BF4作為溶劑和催化劑用于苯基縮水甘油醚的合成反應(yīng)欧美三级电影视频网。

Another innovation in this thesis is that another cheap and safecomplexant—sodium chloride has been found, but pyridine, phosphorus oxychloride,and phosphoric anhydride etc mentioned in documents were given up.

本文另一創(chuàng)新點在于為反應(yīng)找到了一種廉價安全的絡(luò)合劑—氯化鈉，摒棄了文獻中常用的吡啶久久午夜精品A级毛片、三氯氧磷欧美日逼性交、五氧化二磷等絡(luò)合劑。

Solid complexes of rare earth picrates with the ligand 2,6-bis(benzimidazol-2-yl)pyridine have been synthesized and characterized by elemental analysis, IR and electronic spectra. The crystal and molecular structures of the complex [CeL22]·(CH3OH)3 have been determined by single crystal X-ray diffraction.

合成了稀土苦味酸鹽與配體2日韩手机黄色视频，6-二(2-苯并咪唑基)吡啶的配合物国产剧情在线一区，通過元素分析、紅外光譜及電子光譜對配體及配合物進行了表征人人搞人人插人人看，并用X射線單晶衍射測定了配合物[CeL22]·(CH3OH)3的晶體結(jié)構(gòu)色哟哟·com。

The preliminary bioassay indicated that the pyridine compounds display inhibitory activities against mosquites; pyrazolopyridine compounds possessed some plant growth regulation activity; pyrazole compounds displayed some inhibitory activities against wheat rust and tobacco mosaic virus respectively.

初步的生物活性測定結(jié)果表明，吡啶類化合物對蚊子有較好的殺蟲作用一级一a无码黄在线观看；吡唑并吡啶類化合物有一定的植物生長調(diào)節(jié)活性国产在线精品专区第1页；部分吡唑類化合物對小麥銹病和煙草花葉病毒有較好的抑制效果；部分1人人爽人人爽人人爽人人爽，2免费高清黄网站视频在线，3-噻二唑類化合物對煙草花葉病毒有很好的抑制效果，與商品藥劑病毒A的效果相近99机这里只有精品。

This Waste water containing tar, phenol, ammonia, cyanide, benzene, pyridine, quinoline and indole dozens of other pollutants, it is very complex and is high concentrations of pollutants, it is color, toxicity and stable, after biological treatment,there are still a large number of non-degradable organic pollutants, it is a typical example of intractable industrial wastewater.

焦化廢水是煤在高溫干餾過程中以及煤氣凈化国产亚洲综合无码一区二区91、化學產(chǎn)品精制過程中形成的廢水，其中含有焦油、酚女人跪下吃男人J8免费视频、氨氮中文字幕无码观看、氰、苯一级做a爱全过程视频、吡啶污污作文1000字男男、吲哚和喹啉等幾十種污染物，其水量大国产免费强奸初女视频，成分復雜www.97av.com，污染物濃度高、色度高久久久免费视频日韩、毒性大A片观看，性質(zhì)穩(wěn)定，經(jīng)生化處理后一级黄片www,186.com，仍有大量難降解的有機污染物插美女下面，是一種典型難處理的工業(yè)廢水。

It is a heterocyclic compound, containing a pyridine ring; its chemical formula is C10H14N.

尼古丁為雜環(huán)化合物露水夫妻，含啶環(huán)日韩com，化學式為C10H14N，是紙煙三级片视频第一页、雪茄和鼻煙中的主要上癮成分激情图片激情小说激情视频。

M. McCarron III et al.(1984),4[2W12O38].6H2O, a colorless crystalline compound, was prepared by the reaction of white powdery tungstic acid with an aqueous solution of pyridine.

通過粉狀白鎢酸與吡啶水溶液反應(yīng)成功地制備了一種無色的晶體(C5H5NH)4