secondary base是什么意思

网络释义

用法例句

Analysis for the acid-base imbalance of patients with SARS;

严重急性呼吸综合征患者酸碱失衡分析

Mannich base is a corrosion inhibitor with superior property and is applied widely in well acidizing treatments.

曼尼希碱是一类性能优良的缓蚀剂,并在油气井酸化作业中大量应用。

The different substituents on the aryl ke- tones determined the different base used in the reactions.

芳基酮上的取代基决定了合成中所用碱的类型。

Effect of alkali on ettringite crystallization and solubility;

碱对钙矾石结晶及溶解性能的影响

An experimental study on effects of alkali and surfactant on polymer solution properties;

碱和表面活性剂影响聚合物溶液性质实验研究

Preparation of Antitumor Compound—— 20(S)- Protopanaxidiol by the Method of Alkali Catalyzing Degradation;

碱催化降解法制备抗癌活性化合物20(S)-原人参二醇

Performance of combination alkaline and ultrasonic technologies to pretreat waste activated sludge;

超声与碱耦合作用破解剩余污泥的效能分析

The Influences of Polyoxyethylene Ether on the Corroision Behaviors of Zinc and Zn-In Alloy in Alkaline Solutions;

聚氧乙烯醚对锌及其合金在碱性介质中腐蚀行为的影响

Characteristics of waste activated sludge with low VSS content by ultrasonic and alkaline pretreatment

超声与碱预处理低有机质剩余污泥特性分析

Determination of Geniposidic Acid and Chlorogenic Acid in Male Flowers and Related Products of Eucommia ulmoides by Reversed-Phase High Performance Liquid Chromatography;

反相高效液相色谱法同时分离测定杜仲雄花及其产品中的京尼平苷酸和绿原酸

Isolation of total glycosides and flavonoids from Eucommia ulmoides leaf by macroporous resin;

大孔吸附树脂一次性分离杜仲叶中杜仲总苷和杜仲黄酮的研究

Browning Control Technology of the Liquid Extract from Eucommia ulmoides Leaves;

杜仲汁浸提及褐变控制技术研究

In this review with 33 references,recent advances in the synthesis of secondary amine were summarized,including the methods of direct N-alkylation,reductive amination,benzisoxazoles and 2-hydroxybenzaldoximes reduction,three-phase reaction,protection-alkylation-deprotection and asymmetric boronic esters.

介绍了近10年来合成仲胺的新方法,包括直接N-烷基化法,还原胺化法,苯并异噁唑类和2-羟基苯甲醛肟类的还原,三相反应法,保护-烷基化-去保护和不对称硼酸酯法。

Meanwhile the applications of secondary amine,diamine,polyamine and their derivatives were summarized also.

重点综述了高级脂肪伯胺和叔胺的应用,主要是在制备阳离子表面活性剂、非离子表面活性剂和两性表面活性剂等方面的应用;同时概述了仲胺、二胺、多胺及其衍生物的应用。

And secondary amine and tertiary amine are also discussed.

综述了吡啶类衍生物、喹啉类衍生物等杂环含氮化合物,仲胺以及叔胺被氧化成为相应的氮氧化合物的方法。

The alkali concentration or alkaline quality of an alkali-containing substance.

碱度，碱性含碱物质中碱的浓度或碱的特性

narcotine (narcotinum)

碱溶鸦片碱,那可汀

fluxing with alkali

用碱熔解, 用碱助熔

alkaline sensitivity

碱敏[感]性,碱敏现象

Of, relating to, or containing an alkali.

碱的与碱有关的或含碱的

kali-aggregate reaction

骨料碱化反应;碱-集料反应;碱性骨料反应

pH [water quality objective]

酸碱值〔水质指标〕

caustic soda crepe

烧碱[液印]泡泡纱

Having only one hydrogen ion to donate to a base in an acid-base reaction; monoprotic.

一（碱）价的在酸碱反应中只有一个氢离子转移到碱上的；一碱价的

(chemistry) of or denoting or of the nature of or containing a base.

（化学）某种碱的、表示某种碱的、具有某种碱的特性或者含有某种碱。

ultrabasic rock

超碱岩, 超基性岩

basophilic cell

嗜碱性细胞 -垂体

alkali yellowing

碱[致]泛黄（指羊毛）

Simultaneous Quantitative Analysis of Five Alkaloids in Rhizoma of Coptis chinensis by Multi-Components Assay by Single Marker

一测多评法测定黄连中小檗碱、巴马汀、黄连碱、表小檗碱、药根碱含量

Relationship of nicotine conversion rate with individual alkaloid contents and Anat/Nnic in burley tobacco

白肋烟烟碱转化率与生物碱含量及新烟草碱/降烟碱值的关系

colour fastness to alkaline milling

耐碱性缩绒色牢度,耐碱性毡色牢度

determination of total and composite alkalinity

总强碱性和混合强碱性的测定

Vincristine Sulfate

硫酸长春新碱(醛基长春碱)