查询词典 stability

The original method of acetic acid is influence of the color stability of the main factors.

原法乙酸是影响显色稳定性的主要因素。

Objective: To predigest former disposal of sample, avoid the damage of eluent: acetonitrile and acetone to the human body, reduce the cost and improve stability of HPLC apparatus.

目的：简化样品的前处理，避免高效液相色谱淋洗液乙腈、丙酮溶液对人体的损害，降低成本、提高仪器稳定性。

Influence of active components in the catalyst and acetonitrile hydrogenation condition on behaviors of the catalyst and stability of the catalyst were investigated.

研究了催化剂活性组分和乙腈催化加氢工艺条件对催化剂性能的影响，并考察了该催化剂的稳定性。

The hot topics cover: heat elimination, high performance, low cost, dimming flicker free, vast dimming range, stability, safety and achromaticity color cast, etc.

大会将围绕LED通用照明热点话题如：散热、高效率、低成本、调光无闪烁、大范围调光、可靠性、安全性和消除色偏等进行交流。

A plot of absorbency versus the total concentration drop of ascorbic acid yields a straight line. The shelf-life of ascorbic acid solution calculated was 444 d (or 152 d) with sodium metabisulfite, indicating that sodium metabisulfite increases the stability of ascorbic acid significantly.

根据建立的动力学方程，从理论上计算得在维生素C溶液中加焦亚硫酸钠时的贮存期分别为444 d(或152 d)，表明加入焦亚硫酸钠能显著延长维生素C溶液的贮存期。

In the acid medium, through using the stability of the BaSO4 colloid suspension, a turbidimetric method was established for the determination of trace sulfate radical in boric acid.

研究在酸性介质中，利用BaSO4胶体悬浮液的稳定性，通过光电浊度仪测定硼酸中微量硫酸根的方法。

Its regulation and maintenance of the body of water, electrolyte, acid-base balance, stability of the body's internal environment has played a major role.

它的管理和水体，电解质，酸碱平衡，身体的内部环境，维护稳定发挥了重大作用。

Good chemical stability, can acidproof, bear the alkali, can be used in the big PH value scope.

化学稳定性好，能耐酸、耐碱、可在较大PH值范围内使用。

The strength, acidproof and basicproof stability, conductivity and performance of isolating high-voltage electric field of the joint were investigated in detail.

本文采用激光烧蚀、HF腐蚀和阴离子膜封堵的方法制作了一高压电场隔离接口，并对该接口的强度、耐酸碱稳定性、导电率及隔离电场性能等进行了详细研究，结果表明采用激光烧蚀、HF腐蚀和阴离子膜封堵的方法制作的高压电场隔离接口性能优良，有一定潜在的商业价值，可望推广应用。

Chemical stability and being acidproof and acidoxidation.

产品属于非金属类产品，耐酸耐氧化，化学稳定性好。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。