乙酸的

Ac and Suc were observed in 2 of 9 patients in which pus culture were positive for obligate aerobes.

另有2例脓液培养见厌氧菌生长的脓肿的波谱图中可见乙酸峰和琥珀酸峰。

The mixture from butyl acetate and propyl propionate was the most attractive to A. glabripennis in the olfactometer when these volatiles were mixed each other.

而这些挥发物相互混合后，以丙酸丙酯和乙酸丁酯的混合物效果最为明显，在嗅觉仪中对光肩星天牛有较强的引诱作用。

The method is raw material with pyrimidine of 5- fluorine make water, after reacting with chloric second acid below the intention that changes potassium in oxyhydrogen, with complex intermediate body 2- amino - 5- is replaced - 1, 3, 2 Zun reaction makes 4- Sai target content, evaluate its to fight tumor active.

方法以5-氟尿嘧啶为原料，在氢氧化钾的功能下和氯乙酸反应后，和合成的中间体2-氨基-5-取代-1，3，4-噻二唑反应制得目标物，并评价其抗肿瘤活性。

Dichlorophenoxyacetic acid (2,4-D), a widely used herbicide, was treated by the ozonization technology in the laboratory.During the 2,4-D ozonization, the main categories of intermediates included chloric aromatics, dechlorinated aromatics and organic acids.Some of these intermediates have relatively high toxicity.Therefore, it is crucial to study the kinetics trend of intermediates diversion.

采用臭氧化高级氧化技术对2，4-D（2，4-二氯苯氧乙酸）污染物进行降解，2，4-D降解过程中会产生含氯芳香中间产物、无氯芳香中间产物和有机酸类中间产物，其中部分中间产物具有较高毒性，因此研究2，4-D臭氧化过程中间产物的动力学变化趋势是非常重要的。

The herbicidal activities of four solvent extracts from Xanthium sibiricum Patrin were tested by method of seed germination for Sorghum vulgare Pers.

4种作物种子为供试材料，用种子萌发法测定了苍耳全株的石油醚、乙酸乙酯、丙酮和苯4种溶剂提取物的除草活性。

The method is based on the catalytic effect of trace activated manganese on the oxidation of brilliant green and 1-(2-pyridylazo)-2-naphthol by patassium periodate in Na2HPO4-KH2PO4 medium.

研究了在pH6.15的Na2HPO4-KH2PO4缓冲溶液介质中，氨三乙酸活化痕量锰催化高碘酸钾氧化灿烂绿和1-(2-吡啶偶氮)-2-萘酚褪色的指示反应。

Firstly, we selected the catalyst for piperidine oxidation reaction, and obtained the compound catalyst of silicon tungsten molybdic acid.

首先就哌啶醇催化氧化合成TEMPO反应使用的催化剂进行筛选，得出催化效果显著的硅钨钼酸与乙二胺四乙酸复合催化剂。

The results show that the content of Co metal in composite microbeads increases with the increasing of the ratio of cobalt acetate to coal tar pitch in the starting material.

研究结果表明，随着原料中乙酸钴含量的增加，制备出的复合微球钴含量增加。

Methods The activitie of anti-lipidperoxidation of Chinemys Plastrum Testudinis of petroleum-ether, acetoacetate and 95% alcohol solution from two producing areas was studied by DPPH.

方法采用DPPH法分别测定两种不同产地龟板的石油醚、乙酸乙酯、95％乙醇等不同极性溶剂提取物的抗氧化活性。

Nd_2O_3 was used as catalyst for estrification of Acetic acid with propanol and discussed thevariant conditions in reaction of esterification.

以三氧化二钕为固体催化剂，实现了乙酸和丙醇的酯化反应，讨论了催化酯化的各种影响因素。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。