查询词典 acidifying agent

After acidifying the solution with HCl,the content of Ga was determined by flame atomic absorption spectrometry.

L-1HC l介质中用火焰原子吸收光谱法测定镓。

In this paper, a moving-boundary problem occurring under the acidifying was discussed, which was transformed into a coupled problem of an initial-boundary value problem of nonlinear parabolic equation and an initial value problem of differential equation.

建立了油气层酸化过程中的动边界模型，经Landau变换后，将所求问题转化为定边界上的非线性抛物型方程初边值问题和常微方程的初值问题的耦合问题，并给出了耦合问题的全离散格式。

A recent study found the seas acidifying ten times faster than previously believed, with disturbing effects on mussels, oysters and other animals living in coastal regions.

最近的研究发现，海水酸化比以前认为的快十倍，这对蚌类、牡蛎、和其它生活在沿岸区域的动物有干扰作用。

In acidifying reactor, when the inlet TOC reached 17000mg/L, TOC removal rates were above 35%.

使整个系统的处理能力增大，并且使系统具有较强的抗负荷冲击能力，使运行更加稳定。

Critical load, which is defined as the highest deposition of acidifying compounds that will not cause long-term harmful effects to the ecosystem, indicates the sensitivity of an ecosystem to acid deposition.

酸沉降临界负荷是指不致使生态系统发生有长期危害影响的最高酸沉降量，它表示生态系统对酸沉降的敏感程度。

Reasonable acid system is the key factor of eliminating the fracturing fluid damage to fracture surface and proppant, and also the key factor of making the hydraulic fracturing compounding acidifying technology successful.

酸液体系是否合理是能否消除压裂液对裂缝壁面及支撑剂层损害的关键因素，因此也是水力压裂复合酸化技术能否取得成功的关键。

Acid rain has a pH of 2or less and is responsible for acidifying streams and lakes and ,thus,not only killing fish but leaving the waterway too acidic to be reinhabited.

酸雨的酸碱度小于或等于2，它导致溪流和湖泊的酸化，因而不仅杀死鱼类而且导致水域过酸而不能再在其中居住。

Acid rain ; acidifying sulfate ; critical loads ; ecosystem ; total emission control

酸雨；酸化硫酸根；临界负荷；生态；总量控制

This willlead to acid productions increment,and intracellular acidifying.

糖酵解过程中必然产生乳酸，如果要维持细胞内的糖酵解状态，乳酸必须被转运出细胞外。

We contrived some stresses conditions corresponding to environmental stresses in vitro,including cold treatment in certain time point,low salt and acidifying.

显而易见，副溶血弧菌的生活史决定了其必须适应外界环境和宿主的各种条件变化，才能感染宿主并在不同的环境条件下得以生存和繁殖，而在这些适应性反应中，必然会伴随着副溶血弧菌基因转录水平的改变。

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。