乙酸的

All carboxylates from acetate ligands coordinated in tridentate mode and bridge two M centers in adjacent different sheets.

而通过乙酸根配体以三齿模式桥联相邻近的毯子状网络结构的两个金属离子而形成三维网状结构。

CH3OH has been designed, synthesized and characterized by X-ray diffraction analysis. In this dinuclear complex, it is worthy of notice that the source of tridentate chelate atoms (1N2O) of IDA is different from that of the reported complex.

合成过程中，我们还首次得到了与1，10-邻菲咯啉及亚氨基二乙酸络合的铜的不对称双核配合物晶体。

Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model. QQL health liquid was administrated to rats through every day. Thirty days later, rats were killed, then the concentration of lead in blood, liver and femur were determined.

取小鼠，饮水给予0.1%三水合乙酸铅水溶液建立小鼠预防性铅中毒模型，同时灌胃给予不同浓度的受试物，喂养30天后测定血、肝脏和股骨中的铅含量。

Methods Male NIH rats were treated with water containing 0.1% lead acetatic trihydrate for establishing an experimental lead poisoning rats model.

取小鼠，饮水给予0.1%三水合乙酸铅水溶液建立小鼠预防性铅中毒模型，同时灌胃给予不同浓度的受试物，喂养30天后测定血、肝脏和股骨中的铅含量。

In addition, we used a modified MTT 3-(4,5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide assay to examine cell proliferation by dissociating the cell/alginate constructs using trisodium citrate and trypsin/EDTA.

此外，我们用改良的MMT测定被枸橼酸钠－胰蛋白酶－乙二胺四乙酸分离细胞结构的细胞增殖情况。

The costuslactone and dehydrocostuslactone in the supercritical CO 2 extract of aucklandia were identified by TLC using a mobile phase of petroleum ether,ethyl acetate and benzene (70∶5∶15) and the colour developing reagent of 5% vanillic aldehyde dissovled in sulfuric acid.

用薄层色谱法，以ψ(石油醚∶乙酸乙酯∶苯)=70∶5∶1 5为展开剂，质量分数为 5 %香草醛硫酸为显色剂对木香超临界萃取物中的木香烃内酯与去氢木香内酯进行鉴别；并建立高效液相色谱法同时测定木香烃内酯与去氢木香内酯的含量方法。

Pesticides were extracted from sample with ethyl acetate in an ultrasonic bath, then determined by gas chromatography-mass spectrometry operated in negative chemical ionization mode and quantified in selective ion monitoring mode, and ethion was used as an internal standard.

蔬菜水果样品用乙酸乙酯超声提取，以乙硫磷为内标物，采用GC-NCI-MS的选择离子监测方式进行定性和定量分析。9种有机磷农药的方法检测限为0.12～1.0 μg/kg。

The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.

提出了以高氯酸为催化剂，分析纯乙酸乙酯为介质，乙酰化法测定伯、仲醇的实验条件，实现了对经典方法的改进，简化了操作程

Carboxymethyl fenugreek gum with different degree of substitution was synthesized with NaOH and sodium monochloroacetate powder as the basifying and etherifying agents.

通过加入NaOH与一氯乙酸钠固体进行香豆胶的碱化和醚化，制备了不同取代度的羧甲基香豆胶。

The MMY biodegrading culture medium of the Lbrevis has been cultured for 10 hours,then was extracted by aceticethanol and analyzed by Mass spectra,me analytical results indicated there is new mass produced about bigger 74D than the o-Nitrophenol.

培养10h后的培养液经重蒸乙酸乙酯革取后，用质谱分析表明，新产生的中间代谢产物比底物分子量约大74D。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。