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合成气

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This is the last purification step before the raw gases are sended to synthesize.

这是把原料气送往合成之前最后的一个净化步骤。

The results show that the ambient oxygen and ratio of the materials are critical to microwave sin...

结果表明:利用微波反应烧结β′-Sialon,原料配比和炉气中氧含量很关键;微波反应合成烧结Z值等于3的β′-Sia-lon的最佳工艺是1500℃、保温90 min,该工艺烧结的材料密度为3.050 g/cm3和室温抗弯强度为150 MPa。

Determination of Tyrosine in Urine Spectrophotometric Method;2. For chemical pre-extraction, MSTFA/TMSL derivatization reaction, GC/MS analysis, it is confirmed that two main metabolites (19-no-randrosterone and 19-noretiocholanolone) were found in nandrolone urine.

本文对合成的19-去甲雄烷醇酮的四个差向异构体混合物进行气相色谱分离,对诺龙和炔诺酮用药后,留取的人尿样通过化学预处理,MSTFA/TMSI衍生化反应,GC/MS分析,确证了尿样中诺龙的两个主要代谢产物为19-去甲雄酮和19-去甲原胆烷醇酮,炔诺酮的两个主要代谢物是四氢炔诺酮的两个形式,可能是3α-OH-5α-THINE和3α-OH-5β-THINE,在炔诺酮代谢前期,还发现有诺龙的上述两个代谢物存在。

Two novel well-defined star-graft copolymers with poly as main chain are successfully prepared by combination of anionic and atom transfer radical polymerization. Anionic copolymerized 2,5-epoxypropyl-1-ethoxyethyl ether with EO by initiation of mixture of diphenylmethylpotassium and polyol [1,1,1-trispropane or pentaerythritol] to give the well-defined three-arm star poly and four-arm star poly.

用核磁共振(~1H NMR)、红外光谱、元素分析、气相色谱—质谱、凝胶渗透色谱和基质辅助激光解吸附电离飞行时间质谱(MALDI-TOF-MS)等手段对中间产物及最终产物进行了详细地表征,证明了这种合成聚醚为主链的接枝共聚物的方法是可行的,并且是成功的。2。

A method for the determination of trans-fatty acids in vegetable butter by microwave-assisted extraction coupled with gas chromatography was developed.

建立了微波辅助合成/萃取-气相色谱测定植物黄油中反式脂肪酸的分析方法,优化了萃取溶剂、萃取温度和萃取时间等条件。

During the study, an unreported Pd-catalyzed cross coupling substitution reaction was observed, and the relative theoretic discussion was made. The mesmorphic properties of all these compounds were observed and measured by polarizing optical microscopy and differential scanning calorimeters.

论文通过钯催化偶联反应合成了十一个系列74个全新的环己基炔类液晶化合物,利用元素分析、气相色谱、液相色谱等方法分析了化合物的纯度,利用红外光谱、核磁共振和质谱等分析手段对化合物的结构进行了鉴定。

This new refining process is termed "ladle-refining" or "secondary steelmaking". It is discussed in three parts: The development of various ladle-refining process including vacuum refining and normal pressure refining such as synthetic slag treatment, argon stirring, vacuum degassing VC, SLD,...

本文分三个方面进行讨论:(1)各种炉外精炼法的发展,包括真空精炼和常压精炼,例如合成渣洗、吹氩搅拌(Gazal、CAB、SAB法)、真空脱气(VC、SLD、TD、TD-VC、TD-SLD、RH、DH、FinKl和Gazid法)、带电弧加热的炉外精炼(ASEA-SKF、FinKl-VAD和LF法)、喷射冶金以及不锈钢的精炼法(AOD、CLU、VOD、SS-VOD、KVOD/VAD、RH-OB和VODC法),(2)我国炉外精炼技术的现状,(3)发展炉外精炼必须注意的一些问题。

Silica glass was synthesized by plasma chemical vapor deposition method, which uses inductively coupled plasma as theheat source.

用高频等离子体作为热源,采用化学气相沉积法合成了石英玻璃样品。

Using cheap waterglass as silica source, silica aerogels were synthesized via a novel fast ambient drying by using EtOH / TMCS / Heptane solution for modification of the wet gel.

以廉价的水玻璃为硅源,用乙醇/三甲基氯硅烷/庚烷溶液对湿凝胶进行改性,采用一种新的常压干燥工艺合成了SiO2气凝胶。

Dioxins re-generation model in zone after combustion is established on the foundations of high temperature homologous model, low temperature catalytic models (Langmuir- Hinshelwood model and Eley- Rideal model) and de novo synthesis.

建立了基于二的高温气相模型、低温催化模型(Langmuir-Hinshelwood和Eley-Rideal)和低温从头合成模型基础上的炉膛出口烟气中二再生成模型。

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推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。