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Capric betaine was prepared through ammonolysis of α-chlorododecanoic acid with trimethylamine. The participation effect of the neighboring carboxyl group of α-CDA on dynamics and thermodynamics of the reaction was investigated.

以α-氯代十二酸与三甲胺的氨解反应制备α-癸基甜菜碱,研究了α-CDA在与三甲胺氨解反应中邻位羧基对反应动力学和热力学的影响。

Dimethylhexane-1,6-dimethyleurethane is the key material for preparation of 1,6-hexamethylene diisocyanate by non-phosgene route. Our work mainly focuses on the study of the catalytic performances of metal oxysalts and metal oxides for the ammonolysis of DMC to HDU-M. Experiment effect showed the ammonolysis was omposed by two steps, in which the first step was easier to occur than the second.

中文摘要六亚甲基-1,6-二氨基甲酸甲酯是非光气合成六亚甲基二异氰酸酯的关键原料,本文主要对金属含氧酸盐和金属氧化物这两类用于碳酸二甲酯胺解合成HDU-M 的催化剂进行了初步研究并优化了工艺条件。

Three ways leads to the synthesis of fenclorin, one way discussed here has 3 steps. Stepl :benzonitrile using as raw material goes though dry hydrogen chloride and becomes a-imino phenylmethyl ether after meet carbinol.

解草啶的合成主要有三条路线,本文选取合成路线是以苯甲腈为原料,经三步反应而成:1、苯甲腈在干燥的氯化氢通入,与甲醇形成亚氨基苯甲醚,通入氨气后置换甲氧基得到苯基脒盐酸盐(收率76.18%)。2、苯基脒盐酸盐在碱性条件下与丙二酸二乙酯环合而得嘧啶醇(收率84.39%)。3、嘧啶醇在三氯氧磷中羟基被氯化得到产品解草啶(收率87.29%)。

Results: The changes following hydrocortisone intervention of rats could be identified by PCA, and the kidney deficiency syndrome rats entered a state of "hyperfunction", involving a series of changes in metabolic pathway and metabolic network. The response integral area of lactic acid (δ 1.37) increased, indicating the accumulation of metabolites of lactic acid. The amount of dimethylamine (δ 2.72) also increased, indicating that the disorder of kidney function was related to kidney-deficiency syndrome. The response of creatinine (δ 3.87), asparaginic acid (δ 2.83), taurine (δ 3.44, 3.28), and hippurate (δ 7.84, 7.56, 7.64, 3.97) all decreased significantly, indicating that the hydrocortisone might cause adrenal cortex excretion injury. The response integral area of succinate (δ 2.41) and citric acid (δ 2.53, 2.68) decreased, which was usually caused by disorder of the mitochondrial function.

结果:PCA方法处理肾虚证和空白对照大鼠尿液数据显示,两组大鼠的数据可以在得分图实现分类,与对照组比较肾虚组大鼠由于氢化可的松诱导,大鼠机体进入一个过消耗后衰弱的状态,相关代谢发生显著变化,乳酸(δ 1.37)代谢发生堆积;二甲胺(δ 2.72)的含量增加,提示肾虚与肾功能异常是密切相关的;天冬氨酸(δ 2.83),牛磺酸(δ 3.44, 3.25),马尿酸(δ 7.84, 7.56, 7.64, 3.97),肌氨酸(δ 3.87)等的相对积分面积明显下降,这预示糖皮质激素可能引起了肾上腺皮质分泌功能的损害;琥珀酸(δ 2.41)和柠檬酸(δ 2.53, 2.68)是三羧酸循环能量代谢及糖酵解的中间产物,其含量的降低,通常是由于线粒体功能紊乱所引起。

Albendazole and oxfendazole both inhibited the pathways of anaerobic glycolysis, partial inversed tricarboxylic acid cycle of Taenia Solium oncosphere, immature and mature cysticerci in vitro and immature and mature cysticerci in vivo in certain degree. They enhanced decomposing in fat, amino acid, and xanthine metabolism. On the other hand, absorption of glucose was hindered.

阿苯哒唑和奥芬哒唑对体外培养猪六钩蚴,未成熟期和成熟期猪囊尾蚴,以及体内发育未成熟期和成熟期猪囊尾蚴的糖无氧分解途径,丙酮酸羧化支路与逆向三羧酸循环途径均有一定程度抑制作用,代偿性促进糖异生及蛋白质,脂类和核酸分解途径,葡萄糖吸收受阻。

Results:The degenerative changes of articular cartilage in the manipulation group and the sodium hyaluronate group,such as vacuolar degeneration of cytoplasm,decreased quantity and degraded function of orginele,pycnosis of nuclear and necrosis even disintegration of cell,are lesser than that in the group without treatmnet.

结果:手法干预组和透明质酸钠组软骨细胞发生胞浆空泡化,细胞器数量减少,功能减退以及细胞核固缩甚至细胞坏死崩解等退变现象的程度较空白对照组轻,手法组与透明质酸钠组相当。

And also this process appears to be competitive with more well known acid and enzymatic hydrolysis.

也是可与酸解,酶解等现有生物质利用方法相竞争的新方法。

Heating the mixture of low-valued fish hydrolysates 100 mL,meat hydrolysates 10 mL,glucose 1.8 g,xylose 0.4 g,cysteine 0.75 g,vitamin B_(1) 0.75 g and ginger juice 2 g at pH 6.5,120 ℃ for 40 min is optimal for sauce flavor synthesis in which meat smell is strengthened ...

用小杂鱼酶解液100 mL;肉酶解液10 mL;葡萄糖1.8 g;木糖0.4 g;半胱氨酸盐酸盐0.75 g;维生素B10.75 g;生姜汁2 g;调节pH值至6.5~7.0,120℃加热40 min能够形成逼真肉香,无鱼腥味的调味料。

The simple and fast determination method presented is based on initial chelation of Sn4+, Cu2+, Pb2+ and other metal ions with EDTA and its subsequent decomposition with trihydroxybenzoic acid, mercaptosuccinic acid and dithiocarbamic propanoic acid.

本文提出的简易、快速测定方法是用EDTA螯合锡、铜、铅和其它金属离子,然后分别用三羟基甲酸、巯基丁二酸和氨荒丙酸解蔽。

When hexanoic acid and heavy metal ions coexist in the solution,the adsorption of metal ions by clay tends to decrease because of the competitive adsorption of hexanoic acid.

当溶液中己酸和重金属共存时,由于竞争吸附使得粘土对重金属的吸附能力普遍有较小幅度的下降;当溶液中存在腐殖酸和重金属共存时,粘土对重金属的吸附能力增强,主要是由于酸性条件下富里酸发生解离后与重金属络合,其络合物与粘土颗粒有一定的结合能力,增强了粘土对重金属的吸附能力。

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