查询词典 alkali

During the kraft cooking process,the temperature,effective alkali charge and time affected the pulp HexA content significantly,and the variation of sulfidity did not influence the pulp HexA content.

在硫酸盐法蒸煮过程中，蒸煮温度、有效碱用量和保温时间对纸浆己烯糖醛酸的含量均有明显的影响，而硫化度则对纸浆中己烯糖醛酸的含量影响不大。

A quantitative appraisal of the prospect of uranium mineralization is completed based on a set of hydrochemical data acquired from the known in-situ leachable sandstone-type uranium, including radon content, acid-alkali ratio, oxidized and reduced electronic potential, hydrocarbonate radical and uranium content in water.

但是在找铀过程中仅用水化学成份、氡含量、酸碱度和氧化还原电位等数值进行描述，说明它们与铀矿化的关系，这种单一因素的描述不能综合反映与铀矿化的联系程度，以定量评价铀矿化与上述因素的关系，从而影响了水化学找矿的效果。

Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide from sodium methyl sulfate residue was investigated.

根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚的方法。

It reveals that insame condition of alkali treatment, hydroscopic property、 conductivity moisture、moistur permeability and permeability of BPL were better thanPL , the key lay in quantity、size and distribution of microhole .

结果表明，在相同碱处理条件下，共混涤纶仿麻织物的吸湿性、导湿性、透湿性和透气性均比涤纶仿麻织物好，关键在于纤维中微孔的量、尺寸和分布。

The details of the research include: By studying the structure of the natural bamboo fiber, make the basic morphological structure and the degree of crystallization clear; By studying the mechanical property of the fiber, make the feature of mechanical property of the natural bamboo fiber clear; By studying the mechanical property of the pure yarn and its blends, make the feature of mechanical property of the yarn clear; and we also study the mechanical property changes of the pure yarn and its blends in the hygrometric state different temperature state and after mercerization and alkali shrinkage.

研究内容包括：通过对天然竹原纤维结构的研究，探明竹原纤维的基本形态特征和结晶度等特征；通过对天然竹原纤维机械性能的研究，探明竹原纤维的力学性能特点；通过对竹原纤维纯纺、混纺纱线力学性能研究，探明其纱线的力学性能特点；研究在湿态条件下，竹原纤维纯纺、混纺纱线力学性能的变化特点；研究在不同温度条件下，竹原纤维纯纺、混纺纱线力学性能的变化特点；研究在丝光、碱缩条件下，竹原纤维纯纺、混纺纱线力学性能的变化特点。

The rock belt are composed of malignite, nepheline gabbro, shonkinite, diopside-sienite, hornblende sienite, amphibole-monzonite,granodiorite-granophyre, kaligranite-porphyry, fraidronite, kersanton, precious garnet, olivine alkali-lamprophyre, alkalic-pyroxenolite, alkalic-basalt, latite and trachyte. And the lithofacies of the potassic rock zone include plutonic intrusion, hypabyssal intrusion and eruption.

本文的研究范围是哀牢山-金沙江钾质碱性岩带，该带位于我国西南三江地区的扬子板块和中缅板块三江褶皱区间的缝合带和多个地体边界带，由喜马拉雅期钾质富碱岩浆岩组成；从北往南由新疆塔什库尔干→沱沱河沿→青海囊谦→西藏江达→云南剑川→下关，向南到金平，中国境内该岩带延长达3700km，且向南延至越南境内，平面上岩带呈反&S&形的线形分布特点。

The shell structure of electrons reveals that the magic number doesn't exist obviously in the Al n clusters as in the alkali metals. The energy levels are apparently incontinuous in the Al 2～7 clusters.

在Al2～Al7团簇中，能级结构呈现明显的分立特征，费米能级随着原子个数的增加而减小，到Al7时又有所增加，且团簇的能量间隙最小。

The new high-speed-high-temperature spinning technics and strict environmental protection policies require a new kind of antistatic agent applied in spinning finish, which may not only have excellent antistatic ability, but also be well heat-resistant, acid-and-alkali-resistant and innoxious.

纺丝工艺的高速化进程以及全世界范围内对环保问题的重视，对纺丝油剂用抗静电剂的性能提出了越来越高的要求。

Under normal temp., PVF2 has a fine corrosion resistance to many organic solvents like halogen, halogenated hydrocarbon, strong oxidant, boiling acid and alkali; UHMWPE has a fine corrosion resistance to inoxidable acid dilute sulfuric acid, nitric acid and large concentration hydrochloric acid, phosphorus acid, hydrofluoric acid, and salty solutions.

在常温下，PVF2对卤代烃、强氧化剂、沸酸、碱等多种有机溶剂都有良好耐蚀性；UHMWPE对非氧化性酸

Four alkali-tolerance deficient mutants were obtained from the insertional library of strain ZS-1 constructed ago and their biological characteristics were studied.

在筛选出的突变体基础上，利用Tail-PCR技术扩增目的片段，同时对所获得的目的片段进行了克隆和鉴定。

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。