硫醇

Now the LY-02 cocoanut charcoal has been used in ten-odd domestic gasoline sweeteners,and it has been running for 15 months without altering and regenerating in Shanghai Petroleum Refining and Chemical Company Ltd.

LY-02型椰壳活性炭目前已在国内10余套汽油脱臭装置上使用，其中在上海石油化工股份有限公司已运行15个月尚未切换再生，精制汽油硫醇含量小于2 μg/g，硫醇脱除率大于97%。

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 analytical method for sodium methyl mercaptide was established based on the reaction in quantity between methyl mercaptan and iodine at the base condition.

采用甲硫醇与碘在碱性条件下定量反应生成双硫醚的反应原理，建立了甲硫醇钠的定量分析方法。

Diallyl trisulfide was synthesized with a yield of 76.4% based on sodium thiosulfate, allyl bromide and sodium sulfide. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with ally1 mercaptan with a yield of 81.0%.

以硫代硫酸钠、烯丙基澳和硫化钠为原料，合成了二烯丙基三硫，产率为76.4%；以一氯化硫和烯丙硫醇为原料合成了二烯丙基四硫，产率为81.0%。

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 removal of organic sulfur such as thiofuran , thioether and mercaptan is the main objective of dry desulfurization , and hydroconversion of organic sulfur and preventing the methanation side reaction are the technological difficulties of hydroconversion desulfurization. The combination of two-level conversion and two.1evel absorption is the preferential scheme for refined removal of high-concentration organic sulfur.

脱除噻吩、硫醚、硫醇类有机硫是干法脱硫的主要目标，加氢转化有机硫并防止发生甲烷化副反应是加氢转化脱硫的技术难点，组合式两级转化、两级吸收是精脱高浓度有机硫的优选方案。

As CAAX-mimetics, 1, 3-dihydro-5-phenyl-2-H-1, 4-benzodiazepin-2-one was modified by linking carboxyl groups with various carbon through N-1 and C-3, 3-(imidazol-4-yl) propion amido group with different substituents was connected at C-7; In the synthesis of bisubstrate analogues, thiocarbamido compounds was alkylated by alkyl iodide and then hydrolyzed to give alkylthiol benzoate compounds.

1，4-苯并二氮杂草-2-酮类化合物的合成过程中分别对其1、3、4和7位进行了基团变化，在1和3位连接不同长度含羧基或酯基的侧链，在7位连接不同取代的咪唑丙酰氨基。在苯甲酸硫醇酯化合物合成过程中，建立了一种硫原子连有不同长度碳链的苯甲酸硫醇酯的合成方法。

By using established analytical methods for determination of elemental sulfur,hydrogen sulfide,mercaptan,disulfide,total active sulfur and corrosive sulfur in Middle East crude oils were conducted Differences between the sum of various types of active sulfur and total active sulfur,the relationship of total active sulfur and total sulfur in the fraction of IBP to 350 ℃,the relationship of total active sulfur and corrosive sulfur,and the distribution of different active sulfurs in the same crude oil and to...

利用已经建立起来的方法对中东原油中的元素硫、硫化氢、硫醇、二硫化物、总活性硫、腐蚀性硫进行了分析，并讨论了不同类型活性硫的加和值与总活性硫的相关性、初馏点至 3 5 0℃馏分中总活性硫和总硫的关系、总活性硫与腐蚀性硫的关系、同一原油中不同类型活性硫和不同原油中总活性硫的分布以及中东原油在硫化合物分布上与哈萨克斯坦原油的差别等问题。

The impure carbon dioxide which can be obtained from any available source of carbon dioxide will typically contain as impurities sulfur compounds such as carbonyl sulfide, hydrogen sulfide, dimethyl sulfide, sulfur dioxide and mercaptans, hydrocarbon impurities such as aldehydes, alcohols, aromatics, propane, ethylene, and other impurities such as water, and carbon monoxide.

可由任何二氧化碳源得到的低纯度二氧化碳通常含有以下杂质：硫化合物，例如硫化羰、硫化氢、二甲硫、二氧化硫和硫醇；烃杂质，例如醛、醇、芳族化合物、丙烷、乙烯；以及其它杂质，例如水和一氧化碳。

It is vapour, coal, diesel oil made to the crude oil high in sulphur content, produce stench because of including sulphur alcohol, will cause the oil to grow the colloid when the alcohol content of sulphur is

是针对含硫高的原油制成的汽，煤，柴油，因含硫醇而产生恶臭，硫醇含量高时会引起油品生胶质，不易保存。可采用催化剂存在下，先用碱液处理，再用空气氧化。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。