• 那么大家来告诉原子应该多少形式电荷

    So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?

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  • 硫酰亚胺化合物制法,含有的组合物以及作为杀虫之用途。

    Heterocyclic acylsulfimides, a method for their production, agents containing the same and their use as pesticides 403

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  • 3,5 -二甲酚原料硫酰氯化四氯化碳溶剂合成对氯间二甲酚

    Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.

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  • 寻找含有水杨酸,乙醇过氧化苯甲洗面奶

    Look for cleansers with salicylic acid, glycolic acid, benzoyl peroxide or sulfur.

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  • 异氰酸酯可用于合成原子四至杂环化合物

    Chlorosulfonyl isocyanate as an important intermediate was applied toward the syntheses of four to seven member heterocyclic compounds containing oxygen, nitrogen, sulfur atoms.

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  • 亚磷酸三苯酯臭氧化合物,一个是3-(4-硝基苯基)-2-苯基-2-代-1,3,2-恶唑磷啉。

    One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.

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  • 室温下,二铁甲氰酸酯芳香胺反应生成新颖二茂铁取代对称

    At room temperature, several novel unsymmetric ferrocenyl thiourea compounds were synthesized by reaction of substituted aniline with ferrocenyl formyl isothiocyanate.

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  • 目的比较普罗宁(凯西莱)鸟氨门冬氨酸(雅博司)肝脏肿瘤患者手术治疗的效果。

    Objective To compare the hepatic functional protection of Tiopronin and Heperz applied during preoperative period in the patients with liver tumor.

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  • 并将磷相应代磷苯肼环氧树脂(E - 44)中的阻燃性能进行对比试验,结果表明元素磷、氮元素协同作用。

    The flame retardance in epoxy E-44 was discussed as well, and the flame retardance of the compounds of sulfur containing and not containing have been compared.

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  • 氨基(代)羰基-1,2,4-三唑啉()酮衍生物制备方法作为除草剂应用

    Sulfmidyl (thio) carbonyl-1,2,4-triazolineone deriv. and preparation method and application as weed killer.

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  • (低)处理器官硝态增加

    S deficiency can increase the content of ureides and nitrate nitrogen of organs.

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  • 对苯二甲氰酸邻苯二胺为原料通过界面缩聚法合成了聚缓释微胶囊

    Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.

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  • 发明涉及有效至少种式(I)二杂环戊烷化合物使至少一种二苯甲烷衍生物辐射光稳定化方法

    This invention also relates to a light stabilizing method for at least one dibenzoylmethane derivative with effective amounts of at least one dithiolane compound (I).

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  • 重分析仪 (TGA动态应力流变仪DSR分别测量亚胺热聚合反应过程转化率和粘度随时间变化

    Thermogravimetry analysis(TGA) and Dynamic Stress Rheometer(DSR) were used to measure the conversion and viscosity changing with time during the thermopolymerization to form polythioetherimides.

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  • 甲基丙烯酸、1,10-二醇和三氯磷为主要原料合成紫外光固化粘接性单体10-甲基丙烯氧癸基磷酸

    UV-curable adhesive monomer 10-methacryloyloxydecyl thiophosphoric acid dichloride was synthesized from the reaction of thiophosphoryl chloride with methylacrylic acid and 1,10-decanediol.

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  • 采用分子力学量子化学方法对某些作用于脑肽酶乙内衍生物YL -2、YL -12、YL -3和YL -11)化学结构进行分子模拟和量化计算

    The chemical structure of YL-2, YL-12, YL-3 and YL-11, some of the Thiohydantion Derivatives, antibody of Enkephalinase, were simulated by the calculation of molecular mechanics and quantum chemistry.

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  • 对其中的1,3-二杂环戊烷类、2-噻唑类、5-基噻唑类相应噻唑啉化合物的香味特征进行了归纳,发现它们都具有肉香味。

    It was found that 1,3-dithiolanes, 2-acylthiazoles, 5-acylthiazoles and the corresponding thiazolines, which contains the nuclear structure, possess meaty aroma notes.

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  • 对其中的1,3-二杂环戊烷类、2-噻唑类、5-基噻唑类相应噻唑啉化合物的香味特征进行了归纳,发现它们都具有肉香味。

    It was found that 1,3-dithiolanes, 2-acylthiazoles, 5-acylthiazoles and the corresponding thiazolines, which contains the nuclear structure, possess meaty aroma notes.

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