dibasic
adj. 二盐基的;二元的,二堿价的
2026-05-06 01:40 浏览次数 19
adj. 二盐基的;二元的,二堿价的
1. having two replaceable hydrogen atoms —used of acids
2. containing two atoms of a monovalent metal
Dibasic Sodium磷酸氢二钠
Dibasic esterIn chemistry, a dibasic ester or DBE is an ester of a dicarboxylic acid. Depending on the application, the alcohol may be methanol or higher molecular weight monoalcohol
dibasic species二基种
dibasic salt a salt derived by replacing two hydrogen atoms per molecule
dibasic acid[化学] 二元酸
dibasic alcohol二元醇;二羟醇
Dibasic lea二盐基亚磷酸铅标準
dibasic polyploid二基体多倍数
mixed dibasic混合二元酸
dibasic aminoacid氨基二酸
the process for production of new long chain nylon - 1212, nylon - 1313 and nylon - 1213 using dibasic acids from fermentation of liquid wax was presented.
尼龙-1212、1313和1213为一组新型长碳链尼龙工程塑料。其单体十二碳二酸、十三碳二酸及其相应的二胺皆来自石油直链烷烃的发酵。
using the method of dibasic quadratic effect and predict that the maximum yield of unginned cotton in 124 regiment and bole city is 4.347t·hm-2, and the amount of urea application in soil of n and p.
用二元二次效应函数法预测了124团和博乐市贝林乡两个试验点的最高籽棉产量,及相应氮磷肥施用量。
then the catalysts of high activities were selected to be used in the preparation of mixed dibasic acid dimethyl esters(dbe).
通过实验选出催化活性高的催化剂,用于催化合成混合二元酸二甲酯(dbe)。
these datas lay a foundation for the separation and recovery of mixed dibasic acids by solvent method and related solid-liquid phase equilibrium research.
该系列溶解度数据的测定为溶剂法分离回收混合二元酸的工业化生产提供了基础数据,也为相关固液相平衡研究奠定了基础。
some percentage of dibasic acids were replaced by rosin.
松香可取代一定百分比的二元酸。
a new process was recommended of drying calcium phosphate dibasic with a modified pneumatic conveying dryer to dry the powder materials being easy to lumo.
论述了改进单级气流干燥器以干燥磷酸氢钙的新方法,解决了易粘结物料不便干燥的问题。
the properties of low molecule dimeric dibasic acid polyamide resin were improved by chemical modified in mass polymerization.
用本体聚合的方法,通过化学改性,使低分子二聚酸聚酰胺树脂的性能得到大幅度提高。
the electrical properties of cable immersed-in-water will be better using dibasic lead phthalate and lead stearate as stabilizer.
在配方中应用二盐基性苯二甲酸铅和二盐基硬脂酸铅作稳定系统,更能保证电线电缆料浸水电性能的稳定。
soybean oil, soy lecithin, vegetable shortening, hydrogenated soybean oil, beeswax mannitol, dibasic calcium phosphate.
大豆油,大豆卵磷脂,植物起酥油,氢化大豆油,蜂蜡甘露醇,磷酸氢钙。
the present invention relates to a method for preparing long-chain dibasic acid diester by using long-chain dibasic acid produced by fermentation process.
本发明涉及一种长链二元酸双酯的制备方法,尤其是一种用发酵法生产的长链二元酸制备长链二元酸双酯的方法。
in the paper, the present situation and prospects of dimeric dibasic acid in the domestic and foreign markets were discussed.
本文概述了近年来国内外二聚酸的现状与市场前景。
they are usually prepared from equivalent amounts of glycols and dibasic carboxylic acids, which undergo condensation polymerization to produce the polyester and water.
通常由等当量的甘醇和二元羧酸制备,它们经过聚合作用而生成聚酯和水。
the effect is strongest in the peroxide system when dibasic lead phosphate cooperates with zinc stearate.
过氧化物硫化体系中,二盐基亚磷酸铅和硬脂酸铅并用的协同作用最强;
the results showed that tribasic lead sulfate, dibasic lead phosphite, lead stearate and citric acid were the fast secondary blowing agents and had a stronger activating effect on blowing agent ac;
结果表明,三盐基硫酸铅、二盐基亚磷酸铅、硬脂酸铅和柠檬酸对发泡剂ac都有较强的活化作用,属于加速型发泡助剂;
the active strong-to-weak sequence of organic dibasic acid on feldspar is oxalic acid, propanedioic acid, succinic acid, hexanedioic acid and sebacic acid.
有机二元酸对长石的活化强弱顺序依次为草酸、丙二酸、丁二酸、己二酸和癸二酸。
the better results were achieved by dibasic and tribasic blendings.
采用二元和三元共混,获得较满意的效果。
dibasic acids can form acid salts.
二元酸能形成酸式盐。
the factors that influence thermal polyester adhesives are: (1) the type and amount of dibasic acid;
影响聚酯胶粘剂的耐热因素有:(1)二元醇和二元酸的类型和用量;
amino acid sequencing revealed the degradation was occurred behind position 12 and 13 amino acid residues, which constitute a dibasic site, rr.
氨基酸序列分析表明降解位于由12和13位氨基酸残基组成的双堿性氨基酸之后。
the results of the congo red method proved that when stabilizers used separately, dibasic lead stearate, lead stearate and organotin t137 showed better effect in decreasing the degradation of cpe.
刚果红法的结果表明,单用稳定剂时,二盐基硬脂酸铅、硬脂酸铅、硫醇锡t137的效果较为显着。
the active strong-to-weak sequence of organic dibasic acid on quartz is propanedioic acid, succinic acid, hexanedioic acid, sebacic acid and oxalic acid.
有机二元酸对石英的活化强弱顺序依次为丙二酸、丁二酸、己二酸、癸二酸和草酸。
and the best recipe was drawn as follows: ammonium sulphate 0.5% , ferrous sulfate 0.2% , potassium phosphate dibasic 0.1%.
通过单因素和正交试验得到了无机盐的最适添加量:硫酸铵添加0.5%,硫酸亚铁添加0.2%,磷酸氢二钾添加0.1%。
different polyamides were synthesized by mixing dibasic acids and diamines.
不同聚酰胺由混合二元酸和二元胺而合成。
mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
采用一水合硫酸氢钠作为催化剂,催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。