查询词典 sulfur

Strains, which were white or light brown when grew on the lead acetate media plates, were selected. Then, the different differential medium plates containing NaiS and as the only sulfur sources were used to select 24 strains, which grew well on plates, but didn't grow well on Na2SO3 plates.

选择在醋酸铅显色平板上菌落颜色为白色或浅棕色的菌株(H_2S产生少的菌株)111株，分别对应点接于以Na_2S和Na_2SO_3为唯一硫源的两种鉴别培养基上，选择在Na_2S培养基上菌落较大，同时在Na_2SO_3培养基上菌落较小或不生长的突变菌株24株。

In addition, there are other potential effects of sulfur mustard exposure which become evident only in the longer term and which are being investigated, including the development of cancer, immunological and neuropsychiatric changes, and reproductive effects.

另外，还有接触硫芥的其它潜在影响，这些影响正在研究中，而且只有在很长的一段时间才会明显表现出来，包括肿瘤的发生，免疫和神经精神的改变，对生殖的影响。

The results of experimentts showed tannic is an effective way to clean city gas which not only can solve pipelines errosion but also be transformed to nocuous H2S into useful sulfur. The dc ible goal was obtained through tannic extract desulfurization.

实验表明，拷胶法是净化城市煤气的一种有效方法，不仅解决了城市煤气的管道腐蚀和环境问题，而且将有害物质HZS 转化为了有用的硫磺，达到了既净化了城市煤气又将HZS变废李太原理工大学硕士研究生学位论文为宝的双重目的。

This dissertation concentrated on its low-cost synthesis, adjusting of silica to alumina molar ratio and catalytic applications in olefinic alkylation of thiophenic sulfur of simulated FCC gasoline and aromatization of butene in liquefied-petroleum-gas process.

本论文旨在降低MCM-22合成成本，获得硅铝比范围宽泛可调的MCM-22，并拓展其在烯烃烷基化脱硫与液化气丁烯芳构化方面的应用。

The characteristic compositions of the stable isotopic and the fluid inclusions in Maoping mineral district show that the main sources of Pb origin the Upper Earths Crust, partly froin orogenetic belt and/or Emeishan basalt; the S isotopic composition hints sulfur sources from the seawater; The D and O isotopic compositions show that they emerge from the compound results of the magma water, metamorphic water, hosted water and rain water; the origination of the C isotopic shows that C resource strata.

脉石矿物D、O同位素组成代表了岩浆水、变质水、建造水及大气降水混合作用的结果；C同位素组成则反映来自受热液改造的含有机质的地层，说明地层受成矿流体溶解、淋滤、萃取而提供了部分成矿物质和储矿空间。

S: The interface formation and magnetism of Fe, Co overlayer on sulfur passivated GaAs(100) by using CH 3CSNH 2 have been studied with synchrotron radiation photoemission and ferromagnetic resonance.

利用同步辐射和铁磁共振研究了经硫代乙酰胺硫钝化处理的GaAs(1 0 0 )表面生长的Fe、Co超薄膜与衬底的界面形成及磁性。

Phosphorous, sulfur, ammonium and oxonium ylides have been widely utilized in orgaic synthesis.

磷，硫，铵基，氧叶立德等已经广泛的在有机合成中得到应用。

Microcrystalline cellulose was activated with NaOH solution, then its C2-C3 bond was oxidized with NaIO4 to generate oxycellulose under the acidic condition. The hydroxy on C6 in oxycellulose was chlorinated with sulfur oxychloride in DMF to give oxycellulose chloride.

将微晶纤维素先用NaOH溶液进行活化，然后在酸性条件下，用NaIO4氧化2，3位成为醛基，使其成为氧化纤维素，再将其在DMF下用二氯亚砜进行六位氯化制得氧化纤维氯化产物。

Professional long-term supply of thionyl chloride, sodium percarbonate, hydrogen peroxide of various specifications, run methanol, sulfur powder, liquid, sodium hypochlorite and other products.

长期专业供应氯化亚砜、过碳酸钠、各种规格双氧水、兼营甲醇、硫黄粉、液碱、次氯酸钠等产品。

With the continuous increasing production of high-sulfur crude oil,non-hydrogenation deslulfurization technology has become the main developing goal in big petrolic corporations.

随着加工高硫原油量的不断增加，开发非加氢脱硫工艺成为各大公司科研开发的重点。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。