查询词典 alkaline

The experimental results show that the reaction is controlled by a chemical reaction under alkaline conditions.

研究结果表明：在碱性条件下，钾长石的分解反应具有化学反应控制的特征。

The immediate effect of urea on the soil reaction is alkaline.

尿素对土壤反应的直接效果表现为碱性反应。

The effects of the amounts of water and alkaline catalyst as well as reaction temperature, reaction time on the substitution and reaction efficiency were studied.

考察了体系的含水量、碱用量、反应温度、反应时间对取代度和反应效率的影响。

AEM DMFC is benefited from the alkaline media and the reaction activities of cathode and anode are greatly improved.

引言直接甲醇燃料电池是以离子交换膜为电解质、甲醇为阳极燃料、空气为氧化剂的燃料电池。

Factors that influence the conversion efficiency was discussed, including methanol/oil molar ratio, amount of alkaline catalyst, reaction temperature and reaction time.

试验考察了醇油摩尔比、NaOH用量、反应温度、反应时间等因素对油脂转化率的影响，并对制备的生物柴油样品进行了燃料指标分析。

The addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule.

以脲醛树脂为囊壁的玫瑰香精微胶囊，其囊壁原料脲-甲醛预聚体的制备，采用了碱催化下的加成反应工艺。

Soluble in water, insoluble in alcohol, a significant strong alkaline reaction in aqueous solution, water and material objects are Sanshui, and eight were two types of water.

可溶于水，不溶于醇，水溶液显强碱性反应，水和物有三水物，和八水物两种。

RESULTS: At 7 and 14 days following osteogenic induction, a significant positive reaction to alkaline phosphatase staining was detected, with calcium nodus.

结果：成骨诱导7， 14d，经诱导的骨髓基质干细胞和脂肪间充质干细胞呈碱性磷酸酶阳性，有钙结节形成，未诱导组呈阴性。

The influence of water content,molar ratio of methanol to oil,concentration of alkaline catalyst,reaction temperature and time different reaction factors to transesterification ,and methods such as water washing,acid washing,extraction and pressure reduced etc.

考察了原料油水分含量、醇油物质的量比、催化剂浓度、反应温度、反应时间等对转酯化反应的影响，以及水洗、酸洗、萃取、减压蒸馏等不同后处理方法对产品品质的影响。

Alkaline phosphatase reaction was negative except in the endothelia of the blood vessel.

碱性磷酸酶除血管内皮外，均呈阴性反应。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。