乙醛相应的反应服从广义的堿催化。
The corresponding reaction of acetaldehyde is subject to general base catalysis.
具有良好的耐酸、堿、盐雾和湿热性能。
它可以由异种化合物例如生物堿或萜稀组成。
It may be composed of allelochemics such as alkaloids or terpenes.
这种专一性可能寄寓在分子的堿基对顺序之中。
This specificity probably resided in the sequence of base pairs along the molecules.
最后一只洗毛槽用来漂清羊毛，减少羊毛的堿性。
The last bowl provides a rinse to reduce the alkalinity of the wool .
目的观察连续灌胃给予苦茶堿对大鼠的毒性反应。
Objective To observe the long-term toxicity of theacrine by continuously oral administration to rats.
苛性堿溶液去除运载气体中对检测元件有害的杂质。
An aqueous caustic solution removes carrier gas impurities harmful to the detector cell.
根据这个原理，可以制备含有磷脂胆堿脂肪酸的新磷脂。
By this mechanism, new phosphatides containing the fatty acids of phosphatidyl choline may be prepared.
当堿金属光谱显示出不容怀疑的双线结构时，是令人惊奇的。
It was surprising when the alkali spectra showed unmistakable doublets.
使金属溶解的腐蚀反应，可以在堿性也可以在酸性溶液中发生。
Corrosion reactions, with metal dissolution, can occur in both basic and acidic solutions.
单体或堿性环氧树脂，是一种淡琥珀色的液体，通常都是很粘的。
The monomer, or base epoxy, is a light amber fluid which is usually quite viscous.
换句话说，整个能级谱恰好就像是上下颠倒的堿金属能级谱一样。
In other words the whole spectrum of levels is just like that of an alkali turned upside down.
干旱、盐堿、低温和冻害等非生物逆境严重影响了植物的生长和发育。
Abiotic stresses such as drought, salt, cold and freezing exert severe influences on growth and development of plant.
结论抗胆堿能药物通过降低肺动脉压力而明显改善COPD患者通气功能。
Conclusions Penehyclidine hydrochloride can obviously improve the lung function of patients with COPD by reducing the pulmonary arterial pressure.
郑慧莹，李建东。 1999 。松嫩平原盐生植被与盐堿化草地恢复。科学出版社，北京。
Zheng huiying & li jiandong. 1999. the saline vegetation and its restoration on the songnen plains. science press, beijing.
适用范围：目前国内主要用于防腐防酸堿注塑件、高温电线电缆、防酸堿内衬件，吹塑制品等。
Application : it ' s widely used in acid resistance, alkali resistance plastic products, high - temperature resistance electric wire and cable and blow molding products.
其原岩岩石类型有火山岩，陆缘碎屑沉积岩，火山、岛弧拉斑系列或钙堿系列火山岩、蛇绿岩等。
Their original rocks are volcanic rocks, epicontinental clastic sedimentary rocks, and ophiolite of volcanic and island arc tholeiitic series or calcium alkali series.
粤桥牌大理石粉为白色或浅灰色矿粉，主要用于药皮焊条等焊接材料的造渣造气剂，可提高熔渣堿度稳。
" bridge brand " marble mostly to use in slagging powder with drug cover welding electrode. improve slag basicity, steady arc, increase surface strain. it also used on architecture industry.
其成矿温度在90 ~ 300之间，成矿流体为低盐度的弱酸性弱堿性大气降水、海水和岩浆水的混合溶液。
The mineralization temperature is in a range of 90 ~ 300, and the mineralization fluid is a combination of slightly acidic - slightly alkalic precipitations, seawater and magmatic water.
由于保守序列中的堿基是可变的，而且间隔堿基的长度也是可变，这给大肠杆菌启动子的计算机识别带来了难度。
The nucleotide acids in both conserved sequences are mutative, even the length of the spacer is variable, and they both brought troubles in determining escherichia coli promoter with computer.
可以用非去极化的神经肌肉阻滞剂(如维可罗宁、卡肌宁或潘可罗宁)代替琥珀胆堿，但麻醉的出现将延迟60秒钟。
A non - depolarizing neuromuscular blocking drug (e. g., vecuronium, atracurium, or pancuronium) can be substituted for succinylcholine, but the onset of paralysis is delayed by about 60 seconds.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液，它可以通过还原糖被还原为不溶性的铜(一价)的氧化物，产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
给出了离子排斥色谱法在制糖工业中的应用，其中包括从废蜜中回收糖份，提取棉实糖、甜菜堿，糖浆提纯以及制糖工艺过程的诊断。
Examples of the application of ion exclusion in sugar industry include recovery of sucrose, raffinose, betaine, purification of syrup, and factory process problems.
给出了离子排斥色谱法在制糖工业中的应用，其中包括从废蜜中回收糖份，提取棉实糖、甜菜堿，糖浆提纯以及制糖工艺过程的诊断。
Examples of the application of ion exclusion in sugar industry include recovery of sucrose, raffinose, betaine, purification of syrup, and factory process problems.
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