The constant composition method was used to study the kinetics of demineralization on dentine crystal, hydroxylapatite and tooth enamel.
应用等组分晶体生长方法 ，研究了牙本质晶、羟基磷灰石、釉质晶脱矿动力学。
Compared with infant milk powder, ready-to-feed infant milk has many advantages, such as no need to dilute, constant composition, east to use, safe and hygienic, and so on.
与婴儿奶粉相比，液态婴儿奶具有很多优点，如勿需冲调、浓度恒定、喂食方便、安全卫生等。
The chemical composition of water remains constant whether it is in solid, liquid or gaseous state.
无论处于固态、液态或气态，水的化学成份都保持不变。
The composition and stable constant were measured by equimolar continuous change method and the molar ratio method.
用等摩尔法和连续变化法测定了缔合物的组成和稳定常数。
From constant boiling mixtures with a minimum, the adsorption of solutes also varies with the composition of mixed solvents, but a negative deviation is observed.
而从具有最低恒沸点的混合溶剂中吸附溶质时，吸附量与溶剂组成的关系与直线呈负偏差。
Demonstrates composition and function of a constant pressure water-supply system controlled by PLC and frequency converter as well as the design of each function module.
阐述了基于PLC和变频器控制的恒压供水系统的组成、功能及各功能模块的设计方法。
The composition and the molecular weight of the copolymer are calculated with the aid of the response constant and universal calibration principle.
借助响应常数和普适校准原则计算得到共聚物的组成和分子量。
The composition, stability constant and diffusion coefficient of the complex are determined. The mechanism of electrode process has also been discussed.
测定了配合物的组成及条件生成常数，对电极反应机制也进行了探讨。
The results show that the thickness and composition of the alloyed layer is related to an alloying temperature and time on the condition of a constant pressure and fixed cathode.
结果表明，在极间距与工作气压一定的条件下，渗层厚度及成分与温度和保温时间有关。
The composition and operational principle of an automatic frequency con version constant pressure water supplying system based on PLC and frequency convertor with serial communication are introduced.
介绍了一种基于PLC和变频器采用串行总线方式通讯的变频恒压供水系统的构成和工作原理。
It also introduces the composition and operational principle of a changing frequency and constant pressure water supplying system.
同时介绍了变频恒压供水系统的构成和工作原理。
Buffer Solution usually containing a weak acid and its conjugate weak base, or a salt, of such a composition that the pH is held constant within a certain range.
通常指含有一种微酸和与之结合的一种微碱或盐，并能维持酸碱值基本恒定的溶液。
Elemental composition and BET surface area of pyrolysis carbon were investigated. X-ray diffraction pattern and constant-current charge-discharge properties of pyrolysis carbon were studied.
元素分析、氮气物理吸附和X射线衍射分别考察了裂解炭的元素组成、BET比表面积以及微晶结构变化；
The present invention provides one kind o high-dielectric constant rubber composition with raised dielectric constant and no-degraded insulation characteristic and power cable member.
本发明提供一种即使提高介电常数而绝缘特性也不降低的高介电常数橡胶组合物和电力电缆构件。
The present invention discloses a glass composition for preparing electronic glass fibre with low dielectric constant.
本发明公开了一种用于制备低介电常数电子玻璃纤维的玻璃组合物。
The zone is maintained in contact with a liquid medium that serves to replenish the liquid in the zone and maintain the composition of the mixture in the zone substantially constant.
将该区与液体介质保持接触，该液体介质用来补充区内的液体并保持区中混合物组分基本不变。
Horizontal space is a composition of pure volume with constant height. Wide steps lead to the entrance, introducing a longitudinal consecutive Spaces.
水平空间是由一系列干净的体量组成，它们高度一致，宽宽的台阶将人们带到住宅入口，将纵向连续的空间介绍给人们。
It has a constant form, strict art of composition, working as a moderate poem style to fit require of reciprocating poem writing. Therefore it was accepted by the poets and carried forward.
近体在情绪上比较冷静沉实，并且篇幅固定，章法谨严，本身就是一种具有节制性的诗体，适合这一时期诗人酬答创作的要求，因此才会被这些诗人所采用并逐步发扬光大。
The relative atomic percent contents (A. C. %) of the golden film calculated at the constant elemental composition section on the AES profile curves were O 56.9%;
从AES深度分布曲线的组成恒定区求得各组成元素的相对原子百分浓度（A.C。%）为：O 56.9%；
The internal forces composition mainly is the composition of horizontal earthquake forces, constant load and live load.
内力组合主要是水平地震作用、恒荷载作用、活荷载作用之间的组合。
The internal forces composition mainly is the composition of horizontal earthquake forces, constant load and live load.
内力组合主要是水平地震作用、恒荷载作用、活荷载作用之间的组合。
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