查询词典 methanol

Thecrystal structure of 〓 was deter- mined, indicating that each Fe contains one exchangeable monodentate ligand solvated methanol molecule.

确定了〓〓的晶体结构，结果表明每个Fe周围都含有容易交换单齿配体甲醇分子。

Objective To establish HPLC-UV method for determination of glycyrrhizin acid in compound nasal spray of glycyrrhizin and flower flos magnoliae,the chief active ingredient of formulation,glycyrrhizin acid,and to observethe therapeutic effect of this formulation on guinea pig's hypersensitive rhinitis.Methods A compound nasal spray formulation was prepared using extracts of glycyrrhizin and measured by HPLC-UV method.Mobile phase conˉsisted of methanol,0.2mol/L ammonium acetate and glacial acetic acid（67:33:1,v/v）,analytical column was Zorbax ODS C 18 and wavelength250nm.

目的 建立测定复方甘草和辛夷喷雾剂含量的方法并观察该制剂对豚鼠超敏性鼻炎的疗效方法以甘草提取的甘草甜素和辛夷花蒸馏提取液主药制备成鼻用喷雾剂，用反相高效液相色谱法测定制剂中甘草酸含量，检测波长为250nm，Zorbax ODS C 18 分析柱，流动相为甲醇：0.2mol/L醋酸铵：冰醋酸（67：33：1）。

The water based food simulants,including deionized water,3％ acetate acid solution and 10 ethanol solution,were directly sampled into HPLC,while the refined olive oil needs to be successively extracted by hexane and methanol/acetonitrile mixture (volume ratio=1∶1) prior to sampling.

水基食品模拟物（去离子水、3%乙酸溶液、10%乙醇溶液）中的目标分析物可直接进样，精制橄榄油中的目标分析物依次通过正己烷和甲醇乙腈混合液（体积比1∶1）萃取后进样。

An improved Smith predictive control method which can resolve the problem of a long time delay of the ratio of oxygen to methanol in the manufacturing process of formaldehyde is introduced,and the simulation of the system is also implemented.

针对甲醛生产过程中氧醇比控制中大滞后延迟的难点，设计了改进的史密斯预估控制系统，并实现了对该系统的计算机仿真。

Nine biological pesticides were formulated with different solvents and emulsifiers to control rice blast in paddy field, it was showed that the best control effect was 65.69% with methanol as solvent and Tween 80 as emulsifier.

选择不同的溶剂和乳化剂交叉配制成9种生物农药进行田间小区试验，结果表明：以甲醇作溶剂，吐温80作乳化剂防效最好，达65.69%。

Dimethyl phenyl phosphonite had been synthesized from benzene, phosphorus trichloride and methanol in two steps.

以苯、三氯化磷、甲醇为主要原料，经两步反应合成了苯基亚膦酸二甲酯，并通过正交实验优化了合成条件。

After draining,the prills were placed onto absorbent paper to remove excess methanol,then were spread out onto a baking pan and placed in an oven to dry for1.5 hours at 200F.

后排水，prills放在上吸水纸，以消除过剩的甲醇，然后被分散到一个烘焙潘并放置在一炉，以干为1.5小时，在

The fixative mixture was replaced by washing the specimens in precooled (-20℃) 100% methanol followed by washing with absolute ethanol.

先用-20℃预冷的无水甲醇洗固定好的样品，然后用-20℃预冷的无水乙醇洗。

Particularly,the greatest damage of sharp was by using method D indicated that mouse oocytes and early embryos fixed in precooled methanol(-20℃) were inapplicable.

尤其以D方案对细胞形态的破坏最大，说明-20℃预冷甲醇不适用于小鼠卵母细胞和早期胚胎的固定。

B:Oocytes and early embryos were permeated in 0.5%Triton X-100 for 10 minutes,then fixed in 4% paraformaldehyde/PBS.Method C:Oocytes and early embryos were fixed in 1%PFA while permeated in 0.2%Triton X-100 at the same time for 1 hour.Method D: Oocytes and early embryos were fixed in precooled methanol(-20℃) for 15 min,then permeated in 0.5%Triton X-100 for 10 minutes.

方案A：先用4%多聚甲醛固定1h，再用0.5%Triton X-100穿透10min；方案B：先用0.5%Triton X-100穿透10min，再用4%PFA固定1h；方案C：用1%PFA+0.2%Triton X-100同时固定与穿透1h；方案D：用-20℃预冷甲醇固定15min，再用0.5%Triton X-100孵育10min。

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。