acid的例句大全

The solubility of the precursor ceric hydroxide in nitric acid, recycle of crystal mother liquor of ammonium ceric hydroxide, and recovery method for cerium in mother liquor have been investigated.

讨论了前驱体氢氧化铈的硝酸溶解性能、硝酸铈铵结晶母液的循环利用、结晶母液中铈的回收方法。

The synthesis of butyl acetate with acetic acid and butanol as reactants and ammonium ceric sulfate as catalyst was studied. Through experiment, the influencing factors of reaction were investigated. The results showed that the esterification rate is over 93.4%.

研究了以硫酸铈铵为催化剂，乙酸和正丁醇为原料合成乙酸正丁酯，通过试验确定了最佳合成条件，结果表明，在适宜条件下其酯化率可达93.4%。

R The results show that cerous nitrate has better catalytic activity for the esterification reaction of methacrylic acid and n-butyl alcohol.

实验结果表明硝酸亚铈具有良好的催化性能。

Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

以甲基丙烯酸和正丁醇为原料，硝酸亚铈为催化剂，合成了甲基丙烯酸丁酯。

1,4-Naphthoquinone is synthesized by oxidation using naphthalene as raw material, cerous sulfate as oxidant in presence of sulfuric acid, and with 140# solvent naphtha as solvent. Reduced cerous sulfate can be regenerated by electrolysis and reused in reaction repeatedly.

用萘为原料，硫酸铈为氧化剂，140溶剂油为溶剂，在硫酸存在下氧化合成1,4萘醌，氧化剂硫酸铈被还原后，通过电解再生，循环使用。

First, the synthesis of AA-MA and cetyl alcohol with acrylic acid esterification.

AA-MA的合成首先用丙烯酸和十六醇进行酯化反应。

Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料，选用非酸催化剂，在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。

Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.

树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。

Flow Injection Chemiluminescence Analysis of 2-Aminobutyric Acid Based on Energy Transfer

流动注射能量转移化学发光法测定2-氨基丁酸

Objective: To investigate the new maintenance chemotherapy of acute promyelocytic leukemia ( APL) after complete remission by all-trans retinoic acid ( ATRA), thereby increasing the long disease-free survival time of APL.

目的探索急性早幼粒细胞白血病（APL）经全反式维甲酸（ATRA）治疗达完全缓解（CR）后理想的维持治疗方案，提高APL的长期无病生存时间。

Protein structure prediction problem is to predict the dimensional folding configurations from its amino acid sequence.

蛋白质构形预测问题就是根据组成蛋白质的氨基酸序列来预测其空间折叠结构.

Furthermore, glutamic acid can increase open time and open probability of NMDA receptor channel, decrease close time.

谷氨酸浓度增加，NMDA通道开放时间常数增大、关闭时间常数减小，开放概率增大。

The relationship between rape pollen germinating rate and concentration of sucrose or boron acid in incubation media was a quadratic function with one unknow quantify, respectively.

油菜花粉萌发率与培养基中蔗糖和硼酸浓度均呈一元二次函数关系。

Nanometer Scale Study on Reaction of Palygorskite with Acid: Reaction Mechanism and Change of Specific Surface Area

凹凸棒石与酸反应纳米尺度研究&反应机理和表面积变化

Study on products and structural changes of reaction of Palygorskite with acid

凹凸棒石与酸反应产物和结构演化的研究

Prospect on the Development of New Fertilizer Combined Palygorskite with Humic Acid

坡缕石与腐植酸结合开发新型肥料的研究展望

Study on Preparation and Characteristics of Tungstosilicic Acid Supported on Palygorskite

坡缕石负载硅钨酸催化剂的制备及性能研究

The latter, together with an accumulation of lactic acid from alcohol metabolism, can cause foot and leg cramp.

而后者跟酒精代谢中所积聚的乳酸一起，会导致脚部和腿部痉挛。

Corrosion behavior and mechanism of A3 steel in acetic acid

A3钢在乙酸中的腐蚀行为和机理

FD is a kind of re tanning agent condensated with glyoxal, formaldehyde, carboxylic acid and urea.

复鞣剂FD是一种由乙二醛 、 甲醛 、 羧酸衍生物、尿素等缩合而成的两性皮革复鞣剂.