查询词典 carbons

They can exist in a chain form or in a ring formed by reaction of the ketone or aldehyde group with an – OH group on one of the carbons at the other end of the chain.

它们有链式和环式。环式结构的形成是酮基或醛基与碳链另一端的羟基发生反应而相结合。

The results showed that the readily oxidizable carbons were decreasing,and the Kos value was increasing with altitude raise.

其本身也被认为是衡量土壤肥力的重要指标之一，对土壤的物理、化学和生物特性影响较大[1]。

By controlling the concentration of H3PO4 at a lower level, hemp stem-based activated carbons with more than 70% microporosity can be obtained, and the mesoporosity increased as the temperature rises.

磷酸浓度较低时，可制备出微孔率高于70%的汉麻秆活性炭，并且，随着温度的升高，中孔数量增多。

We have asked that all of the air hoses be switched from polycarbonate to polyurethane. This is because polycarbonates outgas hydro carbons, which contaminate the air mixture reducing power, and can also produce H20 which can damage the optics.

我们已经要求将所有空气软管从聚碳酸酯换成聚亚安酯，因为聚碳酸酯会和混合气体中的碳原子产品反应，这们会使混合气体所产品的激光功率下降，同时会生成H20原子损坏聚焦镜。

Recent researches show that conventional water treatment processes can not remove nonylphenol efficiently, while physical processes such as activated carbons or organic-montmorillonite adsorption and chemical processes such as sonolytic degradation, electrochemical oxidation or photodecomposition show effective decomposition on nonylphenol in water.

研究表明自来水厂的常规处理工艺对于壬基酚的去除有限；而活性炭、有机蒙脱土吸附等物理方法，超声声化、电化学氧化、光分解等化学方法可有效降解水中的壬基酚。

When used potassium hydroxide and zinc chloride as activating agents, the surface areas of the result activated carbons were not more than

而以氯化锌和氢氧化钾为活化剂不能取得很好的活化效果，所制备的活性炭比表面积在500m~2／g以下。

This result was consistent with the previous simulation study;(2) the signals of MAH onto the radical chain ends with double bonds increased markedly with increasing MAH content, indicating that P scission occurred after MAH attached to the tertiary carbons.

MAH的用量对接枝PP链的等规度有很大的影响，主要表现在随MAH浓度增加，PP链的mm序列所占的比例逐渐增大，mr和rr序列所占的比例逐渐减小。

The influences of soakage time on cyclic voltammogram of EDLC with three porous carbons obtained are different due to the different micropore distribution.

3种不同孔径分布的微孔型多孔炭作电极的EDLC的循环伏安特性受浸渍时间影响的程度也不同。

Sterol A steroid with long aliphatic side chains (8-10 carbons) and at least one hydroxyl group.

甾醇：至少有一个羟基和带有长脂肪族侧链（8~10碳）的类固醇。

It has demonstrated that the template method could remarkably control the size of porous carbons by simply controlling the hydrolysis of TEOS.

表明通过控制正硅酸乙酯的水解条件能制备孔径集中的中孔炭材料。

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。