无碳的

In this paper, A new technique for increasing the stability of calcium chloride ammoniate—Carbonation forming salt in situ coating technique,has been studied.

对无水氯化钙与液氨的反应产物的稳定性进行了研究，提出了改进CAC稳定性新技术—碳化法原位成盐包膜技术。

Back electromotive force between two carbon electrodes , together with the wittibility of electrodes by the cryolite-alumina melts were studied in a walles cell with continual pulse technique.

本文采用连续脉冲技术，在观察无壁电解槽中电解质对碳电极湿润性的同时测量了两极间的电动势。

DLCO was not different between the two groups, though methemoglobin and carboxyhemoglobin were higher in asthmatics than healthy women.

虽然氧化血红蛋白和碳氧血红蛋白的含量在哮喘患者较高，但两者的DLCO无显著差异。

DL did not differ between the two groups, although methemoglobin and carboxyhemoglobin were higher in women with asthma than in healthy women.

哮喘组和健康对照组的DL无明显差异，但前者的高铁血红蛋白水平和碳氧血红蛋白水平高于后者。

The alloy catalyst shows good stability for CO_2 reforming of CH4 during whole test period. The catalytic performance for Ni/Sn alloy is similar to the monometallic Ni .The formation of graphitic carbon was not observed.

在CH4的CO_2重整实验中，在800℃，CH4/CO_2=50：50时，Sn含量为1wt%的Ni/Sn合金催化剂稳定运行48小时无积碳产生，其催化活性与纯金属Ni相似。

Using carbon arc air gouging craft instead of old pneumatic chipping, has machining is high efficient , work condition is improved, the artifactitious metal surface is smooth, doesn't bring bad influence to the metal which is processed, use convenient, economy saving and no noise and so on merit.

采用碳弧气刨工艺代替旧式风铲，具有加工效率高、改善工作条件、加工的金属表面光洁平整、对被加工金属的性能不产生有害影响、使用方便、经济节约、无噪音等优点。

Zeolite Y sieves are used for preparation of ECL sensor for the first time by immobilizing tris (2, 2'-bipyridyl) ruthenium Ru (bpy 〓 in their supercages, which is achieved through the ion exchange properties of the sieves.

Ru〓固定于分子筛修饰碳糊电极的电化学发光与可更新无试剂海洛因传感器研究制备了一种能简单、快速、灵敏地测定海洛因的电化学发光传感器。

The experimental regularity and the mechanism of coercitive force of metallic nickel powders and WC-Ni mixture powders used for WC-Ni cemented carbides production have been explored by means of the specific coercitive force H SC physical measure.

以金属镍作粘结剂的硬质合金不仅因以镍代钴可降低生产成本还因具有诸如抗高温氧化、耐腐蚀及在低碳含量下无磁性等特性具有广阔的应用前景。

Much oxygen was evolved in the course of H〓 production. Sodium dithionate and DCMU make the system anaerobic, but H〓 production didn't increase, even decreased. By addition of sodium acetate, glucose, heteroauxing in the course of illumination and Fe, Ni in the course of algal growth, the H〓 production increases by P.

采用强还原剂、PSⅡ抑制剂虽然可使体系处于厌氧状态，但产氢效率并无提高，甚至下降；光照产氢过程分别外加碳源NaAc、促生长剂IAA，藻体培养过程中补充Fe和Ni的无机物均能使扁藻产氢的效率有所提高。

Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms.

一种黑色的胶状物质，全部或主要由无定型碳组成，用于制色素和墨。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。