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Sulfur bacteria Filamentous autotrophic chemosynthetic bacteria that derive energy by oxidizing sulfides to elemental sulfur and build up carbohydrates form carbon dioxide.

硫细菌:是通过将硫化物氧化为单体硫获得能量,可将二氧化碳固定为碳水化合物的丝状化能自养细菌。

So the cobalt can not only form cobalt self-existent mineral by combining with sulphur or analogous sulphur elements, but also form cobaltiferous sulphides or analogous sulphides and cobaltiferous silicates minerals by isomorphism with Fe, Ni, Mn, Mg, etc.

因此钴不仅可以与硫或类硫元素等离子形成独立钴矿物,而且还可以与铁、镍、锰、镁等离子类质同像,进入铁、镍、锰和镁等矿物晶格,形成含钴的硫化物、类硫化物或硅酸盐。

Sulphur-containing amino acid of transgenic crowtoe plants analysis showed that the content of sulphur-amino acid of transgenic zeolin crowtoe plants was significantly higher than that of the content of the transgenicγ-zein crowtoe plants and non-transgenic crowtoe plants (P.01), but there was no significant difference between the transgenicγ-zein plants and non-transgenic plants.

含硫氨基酸数据分析表明,转zeolin基因百脉根植株含硫氨基酸含量极显著高于转γ-zein基因百脉根植株和非转基因百脉根植株的含量(P.01),但转γ-zein基因植株与非转基因植株间差异不显著。

Methods: In alkaline condition, reaction between amino acids and phenylisothiocyanate formed a derivant of phenylisothiocyanate-amino acid. For RP-HPLC, the Diamonsil C18 column 250 mm×4.6 mm,5 μm) and binary gradient elution were used. The mobile phase A was 0.1 mol/L sodium acetate solution-acetonitrile (93∶7) and the mobile phase B was acetonitrile-water(80∶20). The detecting wavelength was 254 nm.

在碱性条件下,氨基酸与异硫氰酸苯酯反应,生成异硫氰酸苯–氨基酸的衍生物,采用 Diamonsil C18色谱柱(250 mm×4.6 mm,5 μm),用二元梯度洗脱方式,流动相A为0.1 mol/L乙酸钠–乙腈(93∶7),流动相B为乙腈–水(80∶20),检测波长254 nm。

Namely, only for biobriquette low presence of dialkyl sulphides and aliphatic thiols was registered.

对于生物型煤来说,仅检测到少量二烷基硫醚和脂肪硫醇的存在。

The studies of radiation chemistry of three main components of garlic oil-diallyl sulfide, diallyl ...

本论文分别研究了大蒜油主要成份二烯丙基一硫、二烯丙基二硫和二烯丙基三硫化物乙醇溶液的辐射化学。

The studies of radiation chemistry of three main components of garlic oil-diallyl sulfide, diallyl disulfide and diallyl trisulfide were performed in ethanol.

本论文分别研究了大蒜油主要成份二烯丙基一硫、二烯丙基二硫和二烯丙基三硫化物乙醇溶液的辐射化学。

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。

To synthesize the octreotide, Phe-Leu-Glu-Glu-Leu and C_(15)H_(31)-CO-Lys-Thr -Thr-Lys-Ser peptides, the strategies are as followings: Fmoc- group as protective group for α-NH_2; TBTU, DIEA and HOBt as coupling reagent; and ethanedithiol -phenol - thioanisole - H_2O - TFA ( 2.5:5:5:5:82.5 , V/V ) as cleaving solution.

采用Fmoc固相合成法,以苯并三哗四甲基脲四氟硼酸盐、二异丙基乙胺和1-羟基苯骈三氮唑为缩合剂;苯酚—乙二硫醇—苯甲硫醚—水—三氟乙酸(5:5:2.5:5:82.5,V/V)为切割试剂,合成了奥曲肽、Phe-Leu-Glu-Glu-Leu及C_(15)H_(31)-CO-Lys-Thr-Thr-Lys-Ser三种小分子多肽,并对奥曲肽的合成规模进行了放大。

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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