英语人>网络例句>含氢和硫的 相关的搜索结果
网络例句

含氢和硫的

与 含氢和硫的 相关的网络例句 [注:此内容来源于网络,仅供参考]

The invention relates to a method for the extraction of keratin from dead animal skins, characterised in the treatment of dead animal skins with a substance of general formula, or at least one corresponding alkali metal, earth alkali metal, ammonium, or phosphonium salt, the variables having the following definitions: R, R = together or independently, H, C6-C14 aryl, C1-C12 alkyl, unsubstituted or substituted with one or several SH or OH groups, R, R = together or independently, H, C6-C14 aryl, C1-C12 alkyl, unsubstituted or substituted with one or several SH or OH groups, whereby at least one of R or R is not H, or R and R are not H and two vicinal groups of R to R together may be C3-C10 alkylene, R = H, C1-C12 alkyl, H-C=O or C1-C4-Alkyl-C=O, X, X, X and X = OH, SH or NHR, whereby where Rto R contains at least one sulphur atom, at least one of X to X = SH and where R to R contains no sulphur atom, at least two of X to X= SH.

本发明涉及一种从死亡动物原皮中除去角质的方法,其特征在于用通式I的物质或至少一种对应的碱金属盐、碱土金属盐、铵盐或∴盐处理死亡动物原皮,式I中各变量定义如下:R 1 和R 4 相同或不同且选自氢、C 6 -C 14 芳基和C 1 -C 12 烷基,其未被取代或被一个或多个SH或OH基团取代;R 2 和R 3 相同或不同且选自氢、C 6 -C 14 芳基和C 1 -C 12 烷基,其未被取代或被一个或多个SH或OH基团取代,其中至少一个基团R 2 或R 3 不为氢,或R 1 和R 4 不为氢,且两个相邻基团R 1 -R 4 可以一起为C 3 -C 10 亚烷基;R 5 选自氢、C 1 -C 12 烷基、H-C=O或C 1 -C 4 烷基-C=O;X 1 、X 2 、X 3 和X 4 选自OH、SH和NHR 5 ,其中若R 1 -R 4 含有至少一个硫原子,则至少一个基团X 1 -X 4 为SH,以及若R 1 -R 4 不含硫原子,则至少两个基团X 1 -X 4 为SH。

The "no-fly pollution, clean health", including the human body needs calcium, phosphorus, iron, carotene, ammonium acid, niacin, ascorbic acid and various vitamins, has a high nutritional value, which in the human body VB17 can degrade to form benzaldehyde, and then into a acid and ammonium hydride, can inhibit cancer cells die and break, with a clear role in anti-cancer Cancer

该产品"无蚊蝇污染,干净卫生",含人体需要的钙、磷、铁、胡萝卜素、硫铵酸、尼克酸、抗坏血酸及多种维生素,有很高的营养价值,其中VB17在人体内可降解成苯甲醛,进而转化成铵得酸和氢化物,能抑制和休死癌细胞,有明显的防癌治癌作用

Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料,在氢化钠存在下反应,合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应,用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2,4-咪唑啉-二酮、1,2,4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

The sulfur compounds in VGO of SCO are mainly C3~7-dibenzothiophene,while those in FCC liquid products are short chain dibenzothiophene and a few alkylated benzothiophene and alkylated thiophene,and the percentages of these three sulfur compounds are 82.04%,13.42% and 0.56%,respectively,and they are difficult to be removed by hydrogenation.

结果表明,所含硫化物主要是C3~7-二苯并噻吩,而催化裂化反应后则以短侧链二苯并噻吩为主,还含少量烷基苯并噻吩和烷基噻吩,三者的质量分数分别为82.04%、13.42%和0.56%,均属于难以加氢脱除的含硫化合物。

The study of the forming condition and mechanism of immature oil in eastern Linqing depression reveals that brackish water-brine, abundant sulfur bacteria and sulfocompounds provided favorable conch-lions for the formation of the immature oil. Immature oil was the result of hydrogen-rich sapropel of lower activation energy degraded by sulfur bacteria. T and R of the early hydrocarbon generation of organic matter were 400~435℃ and 0.2%~0.5% respectively, and their values for peak hydrocarbon generaion are 420℃ and 0.35%.

通过对渤海湾盆地临清坳陷东部未熟-低熟油的形成条件及形成机制探讨,总结出沙一段和沙三段的微咸水-咸水介质环境、丰富硫细菌和含硫化合物为临清坳陷东部未熟-低熟油气形成提供了有利条件,证实该区未熟-低熟油气形成是低活化能的富氢腐泥组分受到硫细菌早期低温降解作用的结果,明确该区未熟-低熟烃源岩硫细菌降解的有机质早期生烃阶段的T值为400~435℃,R值为0.2%~0.5%,生油高峰T值为420℃,R值为0.35%左右。

The study of the forming condition and mechanism of immature oil in eastern Linqing depression reveals that brackish water\|brine, abundant sulfur bacteria and sulfocompounds provided favorable conditions for the formation of the immature oil. Immature oil was the result of hydrogen-rich sapropel of lower activation energy degraded by sulfur bacteria. Tmax and Ro of the early hydrocarbon generation of organic matter were 400~435℃ and 0.2%~0.5% respectively, and their values for peak hydrocarbon generaion are 420℃ and 0.35%.

通过对渤海湾盆地临清坳陷东部未熟-低熟油的形成条件及形成机制探讨,总结出沙一段和沙三段的微咸水-咸水介质环境、丰富硫细菌和含硫化合物为临清坳陷东部未熟-低熟油气形成提供了有利条件,证实该区未熟-低熟油气形成是低活化能的富氢腐泥组分受到硫细菌早期低温降解作用的结果,明确该区未熟-低熟烃源岩硫细菌降解的有机质早期生烃阶段的Tmax 值为400~435℃, RO值为0.2%~0.5%,生油高峰Tmax值为420℃,RO值为0.35%左右。

The ionization constant of H2CO3 is much higher than that of H2S in the solution , whereas the mole of CO2 is much lower than that of H2S in the sour gas of Feixianguan Formation.

在溶液中碳酸的电离常数大大高于氢硫酸,飞仙关组高含硫气藏天然气组分中的CO2相对于H2S的质量亏损和储层中有富轻碳的高温方解石充填晚期溶孔、裂缝表明储层中的晚期溶解作用是由硫酸盐热还原过程中生成的CO2引起的。

Examples of metal chelating groups include hydroxides especially aryl or heteroaryl hydroxides such as phenolic hydroxides; amines which may be aliphatic aryl or heteroaryl; mercaptans which may be aliphatic aryl or heteroaryl; carboxylic acids which may be aliphatic aryl or heteroaryl; oximes and ketoximines; acetarylamides; hydroxy silanes and silicones; N-containing heterocycles such as imidazoles benzimidazoles triazoles benzotriazoles thiazoles isothiazoles acid anhydrides and more preferably acid groups (especially carboxylic acid groups phosphoric acid groups polyphosphoric acid groups phosphonic acid groups sulphuric acid groups and sulphonic acid groups).

金属螯合组的例子包括氢氧化物,特别是芳基或如酚醛氢氧化物杂氢氧化物;胺可能是脂肪族,芳基或杂;硫醇可能是脂肪族,芳基或杂,这可能是脂肪族,芳基或羧酸杂;肟和ketoximines; acetarylamides;羟基硅烷和有机硅,含N,如咪唑,苯并咪唑类,三唑类,苯并三氮唑,噻唑类,isothiazoles,酸酐杂环,多最好酸组(特别是羧酸团体,磷酸,团体,多聚酸组,膦酸组,硫酸团体和磺酸组)。

In chapter four, five new monomeric solvated biscyclopentadienyl lanthanide thiolates,〓THF (Ln = Ho, Yb, La, Y, Gd), have isolated by reaction of 〓 with2-mercaptopyrimidine in THF solution, which have been confirmed by elementalanalyses, IR, MS and 〓 NMR spectra.

三、通过1∶1摩尔比的三茂基稀土配合物〓(Ln=Ho,Yb,La,Y,Gd)与2-巯基嘧啶在四氢呋喃中反应,得到了五个新的含茂基和烃硫基的稀土有机配合物。

推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。