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oxidized
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  氧化
     The Mechanism of Oxidized Low Density Lipoprotein and Insulin-like Growth Factor-1 on Rabbit Vascular Smooth Muscle Cell Biological Function and the Intervention Effect of Atorvastatin and Rapamycin
     氧化低密度脂蛋白与胰岛素样生长因子-1促进血管平滑肌细胞生物学改变的信号转导机制及药物干预作用
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     Active Immunotherapy of Cancer Induced by Oxidized Mannan-modified Recombinant Murine VE-cadherin Adenovirus
     VE-cadherin重组腺病毒偶联氧化型甘露聚糖抗肿瘤实验研究
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     The Experimental Study of the Effects of Oxidized Low-density Lipoprotein and Vitamin C on the Stability of Atherosclerotic Plaque
     氧化低密度脂蛋白及维生素C对斑块稳定性影响的实验研究
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     Research on Low Molecular Compound in Coal Oxidized Spontaneous Combustion Mechanism
     煤中低分子化合物的氧化自燃机理研究
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     A Study on Friction and Wear Behavior of Dry Film of Thermal Oxidized polyethylene
     热氧化聚乙烯干膜摩擦磨损性能的研究
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  氧化型
     Effect of Oxidized Low Density Lipoprotein on Apoptosis and Expression of p53, p21 and Bcl-2 Gene in U937 Cells
     氧化型低密度脂蛋白诱导U937细胞凋亡及其对p53、p21和Bcl-2表达的影响
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     Study on the Mechanism of Oxidized LDL Induced U937 Cell Apoptosis and the Effect of LOX-1 and Captopril
     氧化型低密度脂蛋白诱导U937细胞凋亡机制的研究及LOX-1和卡托普利的作用
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     Study on the expression of LOX-1 on U937 cells induced by oxidized LDL and the protection of captopril
     氧化型低密度脂蛋白诱导U937细胞LOX-1的表达及卡托普利的干预
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     The Chemotactic Activity of Stromal Cell Derived Factor 1α—CXCR4 to the Migration of THP-1 Cell and Enhanced Effect of Oxidized Low Density Lipoprotein
     基质细胞衍生因子1α—CXCR4趋化THP-1细胞迁移及氧化型低密度脂蛋白的影响
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     At the same time we observed the effects of lipoprotein and oxidized lipoprotein on the expression of ABC1mRNA, mechanisms of ABC1mRNA expression regulated by PPARγ, LXRα, RXRα, the discrepancy and it's significance of ABC1 and CD36mRNA expression while PPARγ, LXRα, RXRα activated.
     同时观察脂蛋白和氧化型脂蛋白对THP-1细胞ABC1mRNA表达的影响,核受体PPARγ、LXRα、RXRα对THP-1细胞ABC1mRNA的调控机制,核受体PPARγ、LXRα、RXRα对THP-1细胞ABC1和CD36mRNA表达影响的差异及意义;
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  “oxidized”译为未确定词的双语例句
     Clinical and Experimental Study of the Role of Antibodies to Oxidized Low Density Lipoprotein in Atherosclerosis
     抗氧化低密度脂蛋白抗体在动脉粥样硬化中的临床及实验研究
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     STUDY OF THE OXIDIZED FILMS OF SECONDARY VIOLARITE AND ITS SIGNIFICANCE
     次生紫硫镍矿氧化膜成分的研究及意义
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     Studies on the Physical Properties of Oxidized Films/InGaAsP Interfaces
     氧化膜/InGaAsP界面物理性质的研究
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     Recovery of Valuable Elements from Oxidized Manganese Ores by SO_2 Process in A Pachuca Tank
     SO_2法浸出锰矿石中的有价元素
短句来源
     SURFACTANTS PREPARED FROM VAPOR OXIDIZED PARAFFINIC AND NAPHTHENIC HYDROCARBONS——Ⅱ. STUDY ON SURFACTANT ADSORPTION
     从烷烃汽相氧化产物直接制备驱油用活性剂——Ⅱ.活性剂吸附性能的研究
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  oxidized
Oxidized porous silicon with the large surface area as the solid phase matrix for absorption of DNA from a biological sample can greatly improve the DNA yield.
      
Nitrification is the biological conversion of organic or inorganic nitrogen compounds from a reduced to a more oxidized state.
      
With increasing frictional temperature, the friction surface begins to soften and expand, and oxidized wear occurs at the same time.
      
CO and HC could be efficiently oxidized with Pt-Al2O3 oxidation catalyst placed at the end of SCR converter.
      
With the inhibition of OH? radicals, ozone molecule firstly degraded 2,4,6-TCP to form chlorinated quinone, which was subsequently oxidized to formic acid and oxalic acid.
      
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(1) Sodium salt of reduced codehydrogenase I has been obtained in good yield as a dry powder from codehydrogenase I by reduction with alcohol and alcohol dehydrogenase. This preparation was stable for at least 5 months when kept dry at -15℃. (2) The properties of the particle-bound codehydrogenase I cytochrome reductase system in heart muscle preparation were found to differ considerably from those of the soluble enzyme as obtained by Mahler et al. Among other things, the affinity for cytochrome c of the particle-bound...

(1) Sodium salt of reduced codehydrogenase I has been obtained in good yield as a dry powder from codehydrogenase I by reduction with alcohol and alcohol dehydrogenase. This preparation was stable for at least 5 months when kept dry at -15℃. (2) The properties of the particle-bound codehydrogenase I cytochrome reductase system in heart muscle preparation were found to differ considerably from those of the soluble enzyme as obtained by Mahler et al. Among other things, the affinity for cytochrome c of the particle-bound enzyme is much greater than the soluble enzyme. The Michaelis constant for cytochrome c of the former is only one twelfth of that of the latter.(Fig. 2A). (3) With either oxygen or excess cytochrome c as electron acceptor, it was found that the overall activity, in terms of rate of oxygen consumption or cytochrome c reduction, when both succinate and reduced codehydrogenase I were oxidized simultanously, did not represent the sum of the rates of oxidation when these two substrates were separately oxidized but equalled only the faster of the two separate oxidation rates(Fig. 5, Tables 1, 2). If 2,6-dichlorophenol indophenol was used as the electron acceptor, the overall rate of simultaneous oxidation of these two substrates was found to equal exactly the sum of the rates of separate oxidation(Table 3). (4) When either oxygen or excess cytochrome c was used as the electron acceptor, reduced codehydrogenase I and succinate each inhibited the rate of oxidation of the other(Figs 4, 6 & 7). Evidence has been presented to show that the inhibition of succinate oxidation by reduced codehydrogenase I is not due to the accumulation of oxaloacetate. (5) When malonate was also added to the reaction mixture, succinate no longer produced any inhibition of the oxidation of reduced codehydrogenase I(Fig. 8). (6) It is therefore concluded that in heart muscle preparation both succinate and reduced codehydrogenase I are oxidized by cytochrome c through a common, velocity limiting factor. This is in accordance with the view previously reached by some workers from studies on the action of certain inhibitors. However, it should be noted that in our experiments no agents which might produce any conceivable change in the colloidal structure of the enzyme system has been employed. (7) It should be emphasized that our results clearly show that great caution must be exercised in drawing conslusion on the role an enzyme might play in a complex enzyme system from studies of the properties of a solubilized enzyme. (8) It is believed that the competition of two enzyme systems for a common linking factor as demonstrated in this report has provided a new method for studies on the mutual relations of two or more enzyme systems.

(一)本報告提供了一個從輔酶Ⅰ,用酶還原法製備還原輔酶Ⅰ的方法。我們所製得的還原輔酶Ⅰ鈉鹽乾粉,可以在低温保存數月而不被氧化。 (二)與心肌製劑中顆粒相結合的輔酶Ⅰ細胞色素還原酶系,和用乙醇抽出的水溶性的輔酶Ⅰ細胞色素還原酶的性質頗不相同。其中比較重要的不同點是對於細胞色素c的親力,前者遠大於後者,其米氏常數僅約為後者的十二分之一。 (三)用一心肌顆粒製劑作為材料,無論用氧或過量之細胞色素c作為氫受體,還原輔酶Ⅰ與琥珀酸同時氧化時的總速度,不等於二者分別氧化時速度之和,而僅等於其中氧化較快者單獨氧化時之速度。但如用[2,6]二氯靛酚作為氫受體時,二者共同氧化時之總速度完全等於二者分別氧化時速度的和。 (四)當用氧或過量之細胞色素c作為氫受體時,琥珀酸與還原輔酶Ⅰ能彼此互相抑制對方氧化的速度。有足夠的實驗材料說明,還原輔酶Ⅰ對於琥珀酸氧化的抑制,不是由於草醯乙酸聚集的緣故。 (五)如果在反應混合物中同時含有琥珀酸脫氫酶的專一抑制劑,丙二酸,則琥珀酸對於還原輔酶Ⅰ氧化作用的抑制即被解除。 (六)根據以上的實驗結果,可以認為,還原輔酶Ⅰ及琥珀酸先通過一個共同的因子與細胞色素c作用。這個共同的因子在一般情形之下,也是...

(一)本報告提供了一個從輔酶Ⅰ,用酶還原法製備還原輔酶Ⅰ的方法。我們所製得的還原輔酶Ⅰ鈉鹽乾粉,可以在低温保存數月而不被氧化。 (二)與心肌製劑中顆粒相結合的輔酶Ⅰ細胞色素還原酶系,和用乙醇抽出的水溶性的輔酶Ⅰ細胞色素還原酶的性質頗不相同。其中比較重要的不同點是對於細胞色素c的親力,前者遠大於後者,其米氏常數僅約為後者的十二分之一。 (三)用一心肌顆粒製劑作為材料,無論用氧或過量之細胞色素c作為氫受體,還原輔酶Ⅰ與琥珀酸同時氧化時的總速度,不等於二者分別氧化時速度之和,而僅等於其中氧化較快者單獨氧化時之速度。但如用[2,6]二氯靛酚作為氫受體時,二者共同氧化時之總速度完全等於二者分別氧化時速度的和。 (四)當用氧或過量之細胞色素c作為氫受體時,琥珀酸與還原輔酶Ⅰ能彼此互相抑制對方氧化的速度。有足夠的實驗材料說明,還原輔酶Ⅰ對於琥珀酸氧化的抑制,不是由於草醯乙酸聚集的緣故。 (五)如果在反應混合物中同時含有琥珀酸脫氫酶的專一抑制劑,丙二酸,則琥珀酸對於還原輔酶Ⅰ氧化作用的抑制即被解除。 (六)根據以上的實驗結果,可以認為,還原輔酶Ⅰ及琥珀酸先通過一個共同的因子與細胞色素c作用。這個共同的因子在一般情形之下,也是這兩個酶系統的速度限制因子。應該指出在我們的實驗中,並未使用任何可能影響酶系統結構的條件,因此我們的結果是在一個比較接近於生理狀態的情形之下獲得的。 (七)應該着重指出,從本報告的結果可以看到,一個用人為的方法從複雜酶系上溶解下來的酶的性質,有時並不能代表這個酶在有組織的酶系統中的真實情况。 (八)我們相信,本報告所說明的兩酶系競爭一個共同因子的一些現象,將为研究複雜酶系之間的相互關係,提供一個新的方法。

(1) Cytochrome c containing 0.43% iron has been obtained from beef, pig or horse heart muscles by direct adsorption of the neutralized trichloroacetic acid extracts of heart muscle on the cation exchanger"synthetic zeolite" followed by elution with 3.84 M ammonium sulfate and precipitation with 20% trichloroacetic acid. This provides a simple method for large-scale preparation of pure cytochrome c. (2) The ratio of optical densities at 550 mμ(reduced) and 278 mμ of 0.43% iron cytochrome c varies, with its degree...

(1) Cytochrome c containing 0.43% iron has been obtained from beef, pig or horse heart muscles by direct adsorption of the neutralized trichloroacetic acid extracts of heart muscle on the cation exchanger"synthetic zeolite" followed by elution with 3.84 M ammonium sulfate and precipitation with 20% trichloroacetic acid. This provides a simple method for large-scale preparation of pure cytochrome c. (2) The ratio of optical densities at 550 mμ(reduced) and 278 mμ of 0.43% iron cytochrome c varies, with its degree of reduction, from 1.13 to 1.26. The average ratio of our preparations is 1.23. (3) The absorption spectra(230-600 mμ) of oxidized and reduced cytochrome c have been measured. The molecular extinction coefficient at 550 mμ of oxidized, 0.43% iron, cytochrome c is 0.80×10~4. This value differs considerably from that reported in the literature. (4) Some enzymic properties of cytochrome c containing 0.43% iron are compared with those of a preparation containing 0.34% iron and are found to be identical. Both can be converted into''endogenous" cytochrome c. (5) Whether pure cytochrome c contains more than 0.43% iron has been discussed. It seems that no convincing evidence has been presented to show that cytochrome c preparations with iron content higher than 0.43% as obtained by some workers do not contain a small amount of iron-rich impurity.

(一)用陽離子交换劑(synthetic zeolite)直接吸附高等動物心肌抽提液一次,並用3.84M硫酸銨作洗脫劑,即可製得含鐵量0.43%的細胞色素c。因此提供了一個大量製備純細胞色素c的簡單方法。 (二)含鐵量0.43%的細胞色素c,它的550mμ和278mμ光密度的比值,視產品的還原程度而定,其範圍從1.13到1.26,我們所製得的產品,其比值在1.23左右。 (三)我們测量了氧化及還原的細胞色素c(含鐵0.43%)從230mμ到600mμ的吸收光譜,並發現和前人所報告的略有不同。氧化細胞色素c在550mμ的消光係數為0.80×10~4,此值與文獻上的數值相差很多。 (四)我們比較了含鐵量0.43%的細胞色素c和含鐵量0.34%的細胞色素c的一些酶性質,證明他們是相同的;並且兩者都可以變成“內源”細胞色素c。 (五)我們認為現有的實驗證據不足以說明純細胞色素c的含鐵量大於0.43%。

Casein was hydrolysed with sulphuric acid under pressure and the hydrolysate was oxidized and nitrated by a mixture of sulphuric acid and potassium nitrate. After decolorization and neutralization to pH 4, the residue was removed by filtration.After adjusting the filtrate to pH 6.8 and supplementing it with tryp-tophane, cystine, methionine, and tyrosine, it was used as the source of amino acids ill the preparation of the medium for the microbiological assay of phenyl-aianine with Lactobacillus ardbinosus...

Casein was hydrolysed with sulphuric acid under pressure and the hydrolysate was oxidized and nitrated by a mixture of sulphuric acid and potassium nitrate. After decolorization and neutralization to pH 4, the residue was removed by filtration.After adjusting the filtrate to pH 6.8 and supplementing it with tryp-tophane, cystine, methionine, and tyrosine, it was used as the source of amino acids ill the preparation of the medium for the microbiological assay of phenyl-aianine with Lactobacillus ardbinosus 17-5 as test microorganism.The standard curve shows that the medium is almost free from active phenyl-alanine, for blank values are of the same magnitude as those of a synthetic medium.Increasing the quantity of nitrated casein hydrolysate from 8 g. to 10 g. doesnot cause any difference in acid production. Further supplementation of themedium with fustidine, arginine, and lysine is also without effect.The results obtained by analyses of several foods with the present medium and the findings of Sauberlich and Baumann (1946), and Schweigert (1944) are in

(一)本文介绍一种微生物法测定苯丙氨酸的培养基。培养基中大部氨基酸来源是经硝酸钾处理后的酪蛋白水解液,另补充色氨酸、胱氨酸、蛋氨酸和酪氨酸。 (二)利用Lactobacillus arabinosus 17-5在混合纯氨基酸的培养基和经处理后的酪蛋白水解物培养基中分别测定食物样品中苯丙氨酸,结果彼此符合。 (三)本法曾广泛地用于谷类、豆类和甜薯等食物中苯丙氨酸含量的测定,均获得满意的结果。

 
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