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乙硫醇

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Effluent malodor concentration is less than 1 mg/m3 when gas flow rateis 0.3,0.6 or 1.2 m3/h and influent malodor concentration is 118?

结果表明,乙硫醇进气流量为 0 3、 0 6和 1 2m3/h ,进气浓度分别为 118、 64和 31mg/m3时,乙硫醇出气浓度不高于 1mg/m3。

The removal rate of methyl mercaptan and ethanethiol and its effect factors were mostly studied on kineties.

从脱臭反应动力学角度讨论了生物法脱除恶臭成分甲硫醇和乙硫醇的速率及影响因素。

Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.

首先,以巴豆醛与乙硫醇为原料,在三乙胺的催化作用下高收率制得3-乙硫基丁醛;然后从乙酰乙酸甲酯出发,通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮,接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环,再通过皂化和脱羧反应生成中间体5-[2-丙基]-1,3-环己二酮;再与丙酸酐反应丙酰化,最后与0-3-氯-2-丙烯基羟胺肟化,得到目标化合物烯草酮。

The enzymolytic products identified were:diisopro-pylaminoethanethiol through the breakdown of P-S bond, and its oxidized product, N, N'-dithiodiethylene-bis ; and diisopropyla-minochloroethane through the breakdown of S-C bond.

VS与电鳐乙酰胆碱酯酶作用的主要产物是: P—S键断裂产物二异丙氨基乙硫醇,该化合物在水溶液中不稳定,可进一步氧化为N,N'-双二异丙氨基乙基二硫醚;S—C键断裂产物二异丙氨基氯乙烷。

Gas-phase reactions of Al〓 with ethanethiol molecule have been studied for the first time.

首次研究了Al〓和乙硫醇的气相化学反应,结果观察到了Al〓与1~6个乙硫醇分子形成的团簇离子。

The diffusion of ethanethiol in MFI and MOR was investigated by Molecular Dynamics.

采用分子动力学方法模拟计算了乙硫醇分子在MFI和MOR两种拓扑结构沸石中的动力学性质,比较了乙硫醇不同负载量和沸石晶格原子刚性和柔性两种状态下乙硫醇分子在沸石孔道中扩散系数的大小。

For the product 〓, the signal for n=2 is much smaller than that for n=1, which may due to the large steric hindrance by the ethanethiol ligands.

其原因很可能是乙硫醇分子体积比较大,所以金属离子结合第二个乙硫醇时,就有很大的空间位阻,以致比结合第一个乙硫醇要难得多,结果n=1~2之间出现明显的强度突变。

The topology models of MFIand MOR were built and the method of Configurational-bias Monte Carlosimulation was used for investigating the adsorption and distributions of ethanethiolas adsorbate in MFI and MOR type zeolites. The diffusion of ethanethiol in MFI andMOR type zeolites was studied by molecular dynamics simulation.The results show, the concentration of Zn2+ is the most important factor of theloading quantity of zeolite 13X and alumina, and the temperature secondly. The pHvalue which range from 2 to 3 effects on the loading quantity faintly.

构建了MFI 和 MOR 两种拓扑结构沸石的数学模型,以乙硫醇分子作为被吸附的目标物,采用偏倚蒙特卡罗方法模拟乙硫醇在MFI和MOR沸石上的吸附行为及分子分布密度,并利用分子动力学模拟乙硫醇在这两种拓扑结构的扩散行为,为实现面向硫化物进行吸附剂的微观结构设计作初步探索。

Two major pathways exist in the reactions of Cu〓, Ag〓, Au〓 with ethanethiol clusters, one producing 〓 and the other forming〓.

实验观察到Cu〓、Ag〓、Au〓能结合的乙硫醇数目依次为1~10、1~4、1~2,说明它们与乙硫醇团簇的反应活性逐渐减小;它们与乙硫醇的反应都生成了〓,n的大小按Cu〓、Ag〓、Au〓的顺序逐渐增大,由此推测Cu〓与乙硫醇团簇反应时生成〓为主要反应通道,Au〓与乙硫醇团簇反应时生成〓为主要通道,这两种通道并存于Ag〓与乙硫醇团簇的反应中。

The screened bacteria of Xanthomonas sp He4 and Thiobacillus thioparus Au16 were inoculated into the trickled-bed biofilter to remove ethanethiol gas in the experiment.

本实验把筛选的异养菌黄单胞菌He4和自养菌排硫杆菌Au16,接种到生物滴滤塔中进行脱除乙硫醇研究。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?