查询词典 sulfureted hydrogen

In this paper, we study the magnetron cavity used in atomic hydrogen maser.

本文对磁控管腔进行了试验研究。

In this study, hydrogen-free DLC films were deposited in an unbalanced magnetron sputtering system.

从这点来讲，无氢类金刚石膜是一种极具开发潜力的材料。

The mineral malachite contains the elements copper, hydrogen, carbon, and oxygen.

矿物孔雀石包含的元素铜，氢，碳和氧。

Malate,lactate,pyruvate and glucose were all good substrates for Rhodobacter sphaeroides to produce hydrogen.

苹果酸钠、乳酸钠、丙酮酸钠和葡萄糖都是球形红细菌产氢的良好碳源，这表明球形红细菌具有利用食品工业等高浓度废水为底物产氢的可能性。

It was synthesized by epoxidation of maleic acid with hydrogen peroxide,and the synthesis was carried out in an aqueous solution containing 75% volume of alcohol and over sodium tungstate dihydrate catalyst.

以Na2WO4.2H2O为催化剂，在体积分数为75%的乙醇中用H2O2氧化马来酸，进行了顺式环氧琥珀酸氢钠合成的实验。

For some EN baths significant precipitation of the metal ions can only occur after thecomplexing agent has been substantially removed by either biological oxidation or chemical oxidation using ozone, potassium manganate, sodium hypochloriteor hydrogen peroxide .

对于一些恩浴金属离子的显着降水后只能出现络合剂已大为拆除或化学或生物氧化利用臭氧氧化，钾锰，次氯酸钠或过氧化氢。

However, a small proportion of Manuka honey has an additional antibacterial component which is not due to hydrogen peroxide. This honey is now know as ACTIVE Manuka honey and is effective against more resistant bacteria.

然而，一部份的麦卢卡蜂蜜具有额外的、非过氧化氢的抗菌成分，这就是被称为 Active 活性的麦卢卡蜂蜜，它较一般的蜂蜜能抵抗更多的细菌。

At middle and low temperature, there is more hydrogen, more nitrogen, higher dry coefficient and ratio of ethane content to propane's in marlite than in shaly limestone.

在中、低温度段，泥灰岩所产气体的C1/ΣC+1、C2/C3值和所产氢气、氮气的量高于纯灰岩。

Due to its very good short-term frequency stability, hydrogen maser has been given more and more attention in time service.

氢原子钟由于其优良的短期稳定性能和较长的工作寿命因而在时间社会得到了越来越多的重视。

With the advance of the space and science technology, the development of the compact and portable hydrogen maser with high performance is in great demand.

随着空间和科学技术的发展，小型、易搬运、高性能氢原子钟的研制势在必行。

Seeds black, shiny, reniform, compressed; testa hard and fragile, smooth; tegument membranous.

种子黑色，发亮，肾形，压扁；种皮硬和脆，光滑；皮膜质。

I have my identification card .

我有身份证明文件。