解碱的

The results show that all these three factors are helpful to increase the alcoholysis degree,but the influence from the amount of alkali contributes the greatest,and the influence from the reaction temperature is the least.

结果表明，三种参数的增加都会使产物的醇解度增加，其中碱物质的量比的影响最大，其次是反应时间，反应温度对产物醇解度的影响最小，几种参数对醇解反应的影响是交互的，当其中一种参数发生变化时，其它几种参数的影响能力会随之发生改变。

With methanol as solvent and NaOH as catalyst,the influence of the concentration of NaOH ,reaction temperature and reaction time to the alcoholysis of polyvinyl acetate is studied by the homogeneous design procedure.

使用均匀设计法研究了甲醇作为溶剂，氢氧化钠作为催化剂时，聚醋酸乙烯酯醇解反应中碱的物质的量比、反应温度和反应时间对聚乙烯醇醇解度的影响。

Objective To study the antitumor activity of betaine and its effect on the glycometabolism of S_(180) bearing mice.

目的研究甜菜碱的抗肿瘤作用及其对S180荷瘤小鼠机体糖酵解过程的影响。

Soil total nitrogen content and soil available nitrogen content of farmland in Shuangcheng city were analyzed in the research based on 80s' soil nutriments data of the Scientific Database of Agroecology and Blackland in Northeast and 500 soil samples that were collected from the field in 0-20cm in 2005. The maps of soil TN and AN (1:50000) in the 80s were digitized and overlaid with the correspondent maps of 2005 using ArcMap.

本研究利用科学数据库多年来积累的历史图件和数据，并结合2005年耕层（0-20cm）500个采样数据为基础，选择典型黑土区双城市农田为研究区域，分析了22年来该县耕地土壤全氮和碱解氮的时空变化。

The relative acidities of acids and bases are commonly expressed in terms of pKa =- log10 Ka, where Ka is the dissociation constant for the reaction

酸和碱的相对酸度通常可以用pKa =- log10 Ka来表述，那里Ka是反应的解离常数

The three steps, imine-formation, reduction and intramolecular amidation, were completed in one-pot at room temperature.

Schiff碱的制备、还原、酯的胺解三步在"一锅"内完成。

The three steps, imine-formation, reduction and intramolecular amidation, were completed in one-pot at room temperature.

Schiff碱的制备、还原、酯的胺解三步在&一锅&内完成。

The result showed that:the averaged content of organic C in the vegetable field siol of solar greenhouse was 21.6 g/kg,higher than that in the open field soil by 77%.

日光温室土壤有机质、碱解氮的积累规律不明显；速效磷、速效钾、电导率、pH与棚龄间有明显的累积规律，其相关系数分别为0.7368，0.60，0.6547，-0.7206。

Whole cell patch clamp technique was used to investigate the effect of sinomenine on sodium current and L-type callium in isolated guinea pig ventricular myocytes.

应用膜片钳全细胞记录技术研究青藤碱对酶解分离的豚鼠单个心室肌细胞膜钠离子电流、L型钙电流的影响。

The results, obtained by chemical analysis, Xray diffraction and scanning electron microscopical observation of the process concerned and products, show that the process flowsheet is simple and can be used to prepare basic zinc carbonate for producing activated zi...

结果表明：该工艺过程简单，得到可制备活性氧化锌的碱式碳酸锌；磁场作用对碱式碳酸锌的结构及热解产物的粒度产生了有利于活性氧化锌制备的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。