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metabolism     
相关语句
  代谢
     Enrichment of n-3 polyunsaturated fatty acid in egg yolk and tissues and its effect on lipid metabolism in laying hens
     n-3多不饱和脂肪酸在蛋黄和组织中的富集规律及其对产蛋鸡脂类代谢的影响
短句来源
     Metabolism of α-actin, Expression of α-actin mRNA and MHC mRNA Induced by Exhaustive Eccentric Exercise in Skeletal Muscles of Rats and Effects of Acupuncture on Them
     一次力竭性离心运动后大鼠骨骼肌α-actin代谢、α-actin和MHC基因表达及针刺对其影响
短句来源
     Studies on Interaction between Zinc and Vitamin A Metabolism and Adequate Requirement in Broilers
     肉仔鸡体内锌与维生素A代谢的相互影响
短句来源
     Influence of Nitrogen Control on the Key Enzymes of Sugar Beet(Beta vulgaris.L)Nitrogenous Assimilation and Sugar Metabolism
     氮调控对甜菜(Beta Vulgaris.L)氮同化和蔗糖代谢关键酶的影响
短句来源
     Association of cholesteryl ester transfer protein gene mutation with lipoprotein metabolism
     胆固醇脂运转蛋白基因突变与脂蛋白代谢的相关性研究
短句来源
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  新陈代谢
     Various reactive oxygen species (ROS) are generated in the course of biological metabolism, such as superoxide (O2-.)
     生物新陈代谢过程中产生众多的活性氧(Reactive Oxygen Species, ROS),包括超氧阴离子自由基(O2-.)
短句来源
     n order to forecast the next epidemic year of animal plague in Erdos,(1)the two grey metabolism forecasting models GM(1,1)were established using the collected dynamic data of the gerbil (Meriones unguiculatus) plague in 1987-1996;
     为预报鄂尔多斯下一次动物鼠疫流行年份,(1)根据1987~1996年长爪沙鼠鼠疫动态资料,建立两个灰色新陈代谢预报模型GM(1,1);
短句来源
     The Application of Grey Dynamic Verhulst Metabolism Model in the Prediction of Products’ Prices and Demands
     灰色Verhulst动态新陈代谢模型在产品价格预测与需求预测中的应用
短句来源
     Based on the grey theory, by adopting metabolism grey modeling method, a series of GM(1, 1) models for the historical matte grade data were developed, and the accuracy of each model was also tested.
     根据灰色理论 ,采用新陈代谢灰色建模法对铜锍品位的历史数据建立了GM (1 ,1 )模型群 ,并对各维模型进行了精度检验 ,计算表明维数为 4~ 6时模型精度达A级 ,维数继续增大则模型的精度变差。
短句来源
     The main function of investment risk analysis system is the gray correlation identification on the disturbed factors influencing investment and the main function of investment dynamic analysis system is to set up the gray dynamic forecast model based on the fundamental principle of metabolism GM (1,1).
     投资风险分析系统主要是对影响投资的风险因素进行灰色关联辩识,投资动态分析系统主要是以新陈代谢GM(1,1)基本原理为基础建立投资动态灰色预测模型。
短句来源
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  代谢的
     Enrichment of n-3 polyunsaturated fatty acid in egg yolk and tissues and its effect on lipid metabolism in laying hens
     n-3多不饱和脂肪酸在蛋黄和组织中的富集规律及其对产蛋鸡脂类代谢的影响
短句来源
     Studies on Interaction between Zinc and Vitamin A Metabolism and Adequate Requirement in Broilers
     肉仔鸡体内锌与维生素A代谢的相互影响
短句来源
     Association of cholesteryl ester transfer protein gene mutation with lipoprotein metabolism
     胆固醇脂运转蛋白基因突变与脂蛋白代谢的相关性研究
短句来源
     Effects of Root Zone Temperature on Growth and Development and Physiological and Biochemical Metabolism of Cucumber in Solar Greenhouse
     根区温度对日光温室黄瓜生长发育和生理生化代谢的影响
短句来源
     Gene Regulation and Effectors on Lycopene Metabolism in Carrot (Daucus carota L.)
     胡萝卜(Daucus carota L.)茄红素代谢的基因调控及其影响因子研究
短句来源
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  代谢作用
     Subcellular expression of UGT1A6 and CYP1A1 responsible for propofol metabolism in human brain
     UGT1A6及CYP1A1在人脑亚细胞结构中的表达及对异丙酚的代谢作用(英文)
短句来源
     The metabolism of two sulfonylurea herbicides chlorsulfuron and triasulfuron was investigated by using wheat cytochrome P450 cDNA(CYP71C6v1) which expressed in yeast.
     利用异源表达于酵母细胞中的小麦细胞色素P450cDNA(CYP71C6v1)研究了磺酰脲类除草剂绿磺隆、醚苯磺隆的代谢作用
短句来源
     The results showed that 2,4-DNT was metabolized by intestinal microorganisms of carp. The optimal concentration of 2,4-DNT for metabolism was 10.92mg/L, the optimal temperature was 20℃ and the optimal intestinal microorganisms content was 10mg/mL.
     结果表明,鲤鱼肠系微生物对2,4-二硝基甲苯具有代谢作用,2,4-二硝基甲苯适宜的代谢浓度为10.92mg/L,适宜的代谢温度为20℃,肠系微生物量以10mg/mL为佳.
短句来源
     METABOLISM OF GINSENOSIDE Rb_1 AND PANAXADIOL SAPONINS BY FUNGI
     真菌对人参皂苷Rb_1及人参二醇系皂苷的代谢作用
短句来源
     Active polyamine metabolism occurs in Glycine max (L.)
     活跃的多胺代谢作用发生在大豆Glycine Max(L.)
短句来源
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      metabolism
    But there appeared to be species difference in arteether metabolism, highest conversion being recorded with humans followed by rats and monkeys.
          
    The fibrate class drugs effect on lipid metabolism through PPARα receptor.
          
    Effects of soil drought on seedling growth and water metabolism of three common shrubs in Loess Plateau, Northwest China
          
    The growth and water metabolism of three common shrubs on the Loess Plateau were studied under soil with different water contents.
          
    Few data are available on the effects of being exposed to this pollutant on the molecular mechanism, although some biochemical changes in lipid metabolism, intermediary metabolism and oxidative stress have been detected.
          
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    The changes of pH, glucose consumption, nitrogen assimilation, aureomycin production, formation of organic acids and ammonia as well as mycelial respiration during aureomycin fermentation by Streptomyces aureofaciens were studied with two media. One medium(Ⅰ) contained as organic constituents glucose and casein hydrolysate, while to the other medium(Ⅱ) besides the mentioned ingredients meat extract and corn steep liquor were also added. The course of glucose consumption, nitrogen assimilation, ammonia formation...

    The changes of pH, glucose consumption, nitrogen assimilation, aureomycin production, formation of organic acids and ammonia as well as mycelial respiration during aureomycin fermentation by Streptomyces aureofaciens were studied with two media. One medium(Ⅰ) contained as organic constituents glucose and casein hydrolysate, while to the other medium(Ⅱ) besides the mentioned ingredients meat extract and corn steep liquor were also added. The course of glucose consumption, nitrogen assimilation, ammonia formation and aureomycin production did not vary considerably for both fermentation media. Aureomycin formation, however, was five times as high for medium Ⅱ as for medium Ⅰ. Acid formation and mycelial respiration differed between the two media. In experiments with medium Ⅱ two kinds of organisms were encountered. The one possessing a light coloured mycelium had an aerobic metabolism, while the other of dark mycelial colouration possessed a fermentative metabolism. The metabolic changes occuring during the fermentation period may be differentiated into three phases. The growth phase, which lasts to the second or third day, is followed by the stationary phase, which extends to the fourth day, and the phase of autolysis hereafter. Aureomycin in the medium reached maximal concentration during the second phase.

    在兩種培養基中觀察了金黴菌培養過程中pH的變化、葡萄糖的消耗,氮的同化、金黴素的產生、氨和有機酸濃度的變化、菌絲的呼吸等代謝變化,這兩種培養基的區別,即在一種培養基中另加入肉湯粉和玉蜀黍漿。 兩種培養基發酵過程中,葡萄糖的消耗,氮的同化,氨和金黴素的產生等變化的一般趨勢,大致相似。加肉湯粉和玉蜀黍漿的培養基中,產生的金黴素量均為不加的5倍。 兩種培養基發酵過程中,有機酸的產生和菌絲的呼吸變化的趨勢有顯著不同。含肉湯粉和玉蜀黍漿的培養基中,培養出的菌絲有兩種類型:一種淺色的氧化代謝特強,另一種菌絲深褐色的呼吸低,代謝變化屬於發酵型,但兩種類型的金黴素的產生量是一樣的。在搖瓶內金黴菌的發酵過程,按代謝可以分為三個階段,第二天到第三天以前為“旺盛生長期”,接着到第四天止菌絲開始自溶為“開始自溶期”最後為“迅速自溶期”。培養基中,金黴素的濃度,在第二期最高。

    The action of aureomycin on the respiration of Escherichia coli under different conditions was studied. Our results show that the respiration of Escherichia coli in ordinary broth or in media containing glucose together with some nitrogenous substance such as casein hydrolysate, alanine, aspartate, glutamate, glycine or ammonium sulfate, could be inhibited by aureomycin of minimal growth inhibiting concentration, namely 2.5 μg/ml. In the last case, the uptake of ammonium-nitrogen by the bacteria was also diminished....

    The action of aureomycin on the respiration of Escherichia coli under different conditions was studied. Our results show that the respiration of Escherichia coli in ordinary broth or in media containing glucose together with some nitrogenous substance such as casein hydrolysate, alanine, aspartate, glutamate, glycine or ammonium sulfate, could be inhibited by aureomycin of minimal growth inhibiting concentration, namely 2.5 μg/ml. In the last case, the uptake of ammonium-nitrogen by the bacteria was also diminished. Aureomycin of concentrations lower than 100 μg/ml gave no significant effect on the oxygen consumption of the bacteria in a medium containing glucose and phosphate buffer only. Similar results were obtained with pyruvate substituted for glucose and with glutamate as nitrogen source, while with pyruvate alone the oxidation was only slightly depressed by aureomycin (2.5 μg/ml). Malate and acetate oxidations were not inhibited by such low concentration of the antibiotic. In control experiments addition of any of the above mentioned nitrogenous substances to the medium markedly increased the rate of the respiration over that observed for glucose or pyruvate alone, and this increase with the exception of glutamate could not be accounted for by the additional oxidation of the nitrogen containing substrates. In presence of 2.5 μg/ml of aureomycin, this enhancing action of the nitrogenous compounds was strongly depressed. The observed inhibition in case of the substrate mixture cannot be due to the action of the drug on the oxidation of the individual substrates, but is due to processes involving the combined metabolism of glucose (pyruvate) and any one of the nitrogenous compounds. From the fact that the inhibition is clearly noticeable within 15 minutes after the addition of aureomycin and can be observed under conditions in which growth does not take place, as judged from the respiration, it is suggested that aureomycin can inhibit some processes concerned with the oxidative nitrogen metabolism, preceding cell division, of Escherichia coil.

    實驗結果表明最低制菌濃度的金黴素可以顯著抑制大腸桿菌在含有葡萄糖和某些合氮物如酪朊水解物、丙氨酸、門冬氨酸、谷氨酸、甘氨酸或硫酸銨的培養基中的呼吸,也抑制了氨氮的同化。在以丙酮酸和谷氨酸作底質時有同樣的現象。以上述含氮物中的任何一種加於大腸桿菌的葡萄糖磷酸鹽緩衝劑的懸浮液中,可以有力地提高其呼吸率,比在單獨葡萄糖中的要高得多。2.5微克/毫升的金黴素可以強烈地抑制這種提高作用。這種觀察到的抑制並不是由於個別底質分别受到抑制的結果。本文討論了金黴素抑制大腸桿菌呼吸的作用機構和可能的幾種解釋,並指出這種作用可能是由於金黴素抑制了包括碳水化物和含氮物在内的某個或某些聯合代謝過程。

    1. The enzymic reactions involved in xylose metabolism were studied with cell-free extracts of xylose-grown Geotrichum candidum 2.361. The initial steps qf xylose metabolism were found as follows:

    (1)用在木糖上培养的白地霉2.361无細胞提取液进行了木糖代謝酶体系的研究。查明木糖代謝的初步变化途径如下: D-木糖+TPNH+H~+→木糖还原酶←木糖醇+TPN~+ (1) 木糖醇+DPN~+→木糖醇脫氫酶←D-木酮糖+DPNH+H~+ (2) D-木酮糖+ATP→D-木酮糖激酶D-木酮糖-5-磷酸(3) (2)催化式(1)的酶为木糖还原酶,需要TPN。用紙层析法鉴定木糖还原的产物为木糖醇。(3)催化式(2)的酶称木糖醇脫氫酶,需DPN。(4)催化式(3)的酶为D-木酮糖激酶,所試过的其他戊糖在同样条件下均不被磷酸化。(5)白地霉无細胞提取液中测不出木糖(?)构酶的活力。排除了这一途径的可能性。(6)催化式(1)(2)(3)各反应的酶均有适应形成的特性,符合Stanier的連續适应学說。

     
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