查询词典 alkaline

Reaction .coordinate calculations show that for all of these phosphodiesters the alkaline hydrolysis follows a one-step bimolecular mechanism initialized by the attack of hydroxide ion at thephosphorous atom of the ester.

反应坐标计算表明所有这些磷酸酯的碱性水解均遵循一步历程双分子反应机理，磷酸酯的水解由氢氧根对酯上的磷原子的亲核进攻开始。

The cooperation of a special lignin-activating agent under acidic condition and alkaline extraction with ligninase treatment was proved to be very effective in improving pulp bleachability.

在酶处理后加入木素活化剂和进行碱处理，可得到较好的漂白效果，OEnXP漂序比OEnEP的效果好。

Alkaline-Oxygen pulp has better bleachability for its high virgin pulp brightness.

氧碱浆原浆白度高，可漂性好。

Also,it can burry sands and alkaline and im-prove farmlands. This paper sums up the existing me sures of diverting flood water forsiltation and suggests some countermeasures and causes of slow developme...

通过总结黄土高原地区现有的引洪漫地措施，提出了引洪慢地发展缓慢的原因及对策，探讨了本区发展引洪漫地的必要性和可行性。

Amylase activities in stomach and liver were highest at neutral or weak acid condition and in pyloric caeca and intestine were strongest in alkaline condition.

幽门盲囊和肠淀粉酶在碱性环境下活力最大，肝胰脏和胃淀粉酶在中性或酸性条件下活力充分发挥。

The optimum temperature s and pH were(40℃,2.4)for stomach,(55℃,7.6) for pyloric caeca(45℃,8.0) for gut. The optimum temperature for protease activity was higher than that in the fish body. The highest activity of protease occurred in strong acidic condition in stomach,but in neutral or weak alkaline condition in pyloric caeca and gut.

蛋白酶的活力随温度和pH变化呈现一定的规律性，不同消化器官蛋白酶的最适温度、pH依次为胃(40℃，2.4)、幽门盲囊(55℃，7.6)、肠(45℃，8.0)，蛋白酶的最适温度高于体温，胃蛋白酶在强酸环境下活力最大，幽门盲囊与肠在中性和偏碱条件下活力最大

Identification of these cells: Over 90% cells isolated from human fetal calvaria were stained positively for both alkaline phosphatase and Alizarin red.

采用酶消化后植块的改良植块培养法可在较短时间内获得大量成骨细胞，这些细胞具有典型的成骨细胞形态和功能，是一种较好的分离培养人胚成骨细胞的方法。

The activities of succinate dehydrogenase in hepatocytes, alkaline phosphatase and thiamine pyrophosphatase on the wall of bile canaliculi became obviously less.Both the activities and localizations of TPPase had changed. Some TPPase from the damaged lysosome-like vesicles and Golgi saccules of hepatocytes discharged into the cytoplasm. TPPase reaction product in some bile canaliculi decreased.

酶细胞化学技术显示肝细胞线粒体琥珀酸脱氢酶和毛细胆管壁上的碱性磷酸酶活性明显减弱或消失，焦磷酸硫胺素酶的活性及定位也发生了改变， TPPase从损伤的高尔基复合体及溶酶体样小泡漏出进入胞浆，部分毛细胆管壁上的TPPase反应物减少。

The corn protein flour was hydrolyzed by a fractional hydrolysis with alkaline protease and caroid to produce corn peptide flour and the hydrolysis technological process was determined.

利用碱性蛋白酶和木瓜蛋白酶双酶对玉米蛋白粉进行分步水解，确定制备玉米肽干粉的工艺流程。

The possible mechanism for the two ECL channels at the Pt electrode cathodically pre-polarized in alkaline solution is also proposed:(1) luminol anion was electroxidized to radical at 0.22V, which then reacted with the oxygen dissolved in solution and emitted light;(2) the fresh oxygen species electro- generated at 1.07V oxidized luminol anion with light emission.

同时给出了在碱性含氧溶液中预还原的铂电极上两个可能的ECL反应通道：(1)在0.22V鲁米诺阴离子氧化为鲁米诺自由基，然后与溶解氧反应而发光；(2)1.07V处析出的新鲜氧与鲁米诺阴离子反应而发光。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。