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对氧
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  towards oxygen
     CuPc film has a charge transfer ability and aelectrocatalytic property towards oxygen reduction in the solution of 0.1 mol/L KCl + 0.0l mol/L[Fe(CN)6]3-.
     在0.1mol/L KCL+0.01 mol/L[Fe(CN)6]3-的溶液中,酞菁膜电极上可以进行可逆的电荷传递,并对氧还原有催化作用。
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  “对氧”译为未确定词的双语例句
     Preparation of Ni_(0.2)Al_(0.8)Mn_(2-x)Co_xO_4 and Electrocatalytic Properties for Oxygen Reduction Reaction
     Ni_(0.2)Al_(0.8)Mn_(2-x)Co_xO_4的制备和对氧还原电催化性能研究
     Preparation of Ni_(0.2)Al_(0.8)Mn_(2-x)Co_xO_4 and studies of the electrocatalytic properties for oxygen reduction reaction
     Ni_(0.2)Al_(0.8)Mn_(2-x)Co_xO_4的制备和对氧还原电催化性能研究
     ① The frequency of paraoxonase 2 311C allele was significantly higher in the diabetic group than in the control group(43.6% ,31.1% ,χ 2=3.981,P< 0.05,OR=1.713, 95% confidential interval:1.007 to 2.914).
     ①糖尿病组对氧磷酯酶2C311等位基因频率显著高于对照组(43.6%,31.1%,χ2=3.981,P<0.05,OR=1.713,95%CI:1.007~2.914)。
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     Synthesis of La_(0.6)Ca_(0.4)CoO_3 Compound Oxide and Its Electrocatalysis for Oxygen Reduction
     复合氧化物La_(0.6)Ca_(0.4)CoO_3的合成及对氧还原的电催化活性
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     Effects of Ba on the oxygen-DOS and properties of oxides La_(2-y)Ba_yCuO_4
     氧化物La_(2-y)Ba_yCuO_4中Ba对氧原子态密度和氧化物性质的影响
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  相似匹配句对
     elongatum showed several interstitial C bands,while Th.
     C.
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     Calculation for the example given in T.
     T.
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     Oxygen effects on the reaction were also investigated.
     观察了反应的影响。
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     Synthesis of p-Nitrophenoxy Propanoic Acid
     硝基苯丙酸的合成
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  towards oxygen
Tantalum has been chosen because it hasa) the same atomic size,b) higher shear modulus,c) about the same chemical affinity towards nitrogen andd) higher chemical affinity towards oxygen than niobium.
      
The isolate strain 6 was sensitive to oxygen when dependent on N2 as nitrogen source, a consequence of the sensitivity of its nitrogenase towards oxygen.
      
The enzyme is extremely sensitive towards oxygen and is inhibited by 10 μM chloramphenicol, 10 μM 2,4-dinitrophenol or 0.15 mM hydroxylamine.
      
The PCE and TCE dehalogenase activity was insensitive towards oxygen in crude extracts.
      
Furthermore, the reactivity of various HC2P isomers towards oxygen atoms is briefly discussed.
      
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Coronary blood flow was measured by N_2O desaturation method in anesthetized dogs. Coronary sinus catheterization was made under fluoroscopic guidance. Myocardial consumptions of oxygen, glucose, lactic acid and pyruvic acid were calculated from the differences between arterial and coronary sinus blood concentrations. This study was designed in paired experiments, and the results were analyzed by t test of individual comparisons. Normal values (mean±s.d.) of 9 dogs were: 143±17 and 8±3 mm Hg for arterial and...

Coronary blood flow was measured by N_2O desaturation method in anesthetized dogs. Coronary sinus catheterization was made under fluoroscopic guidance. Myocardial consumptions of oxygen, glucose, lactic acid and pyruvic acid were calculated from the differences between arterial and coronary sinus blood concentrations. This study was designed in paired experiments, and the results were analyzed by t test of individual comparisons. Normal values (mean±s.d.) of 9 dogs were: 143±17 and 8±3 mm Hg for arterial and coronary sinus pressures, 88±21 ml/100 g myocardium/min for coronary blood flow, 1.7±0.4 mm Hg/ml/100 g myocardium/min for coronary vascular resistance, 18.1±1.9 and 5.6±1.1 vol % for arterial and coronary sinus oxygen contents, 116±24 and 109±20 mg% for arterial and coronary sinus glucose, 24±7 and 16±5 mg % for arterial and coronary sinus lactic acid, and 1.7±0.5 and 0.8±0.3 mg % for arterial and coronary sinus pyruvic acid, respectively. The total alkaloids of the root of R. verticillata were injected i.v. 0.1 mg/kg. The arterial blood pressure was lowered about 25% and restored after 1/2 hour. There was no remarkable alteration in coronary blood flow, but the coronary vascular resistance tended to decrease, which inferred that the coronary vessels had an inclination to dilate. The myocardial consumptions of oxygen, lactic acid and pyruvic acid were higher than that of glucose, indicating that the myocardium gained its energy mainly from the aerobic metabolism of carbohydrates. Following the injection of the alkaloids, the lactate and pyruvate levels in the arterial blood rose significantly. Since the alkaloids increased the left ventricular work but not the oxygen consumption, the mechanical efficiency of myocardium was elevated from 15% for the premedicated heart to 20%. En resume, the total alkaloids have certain effects in dilating coronary vessels, in augmenting the myocardial efficiency, and in enriching its energy supply. Hence the alkaloids exert a beneficial influence on the compensatory capacity of the hypertensive heart.

本文介紹了N_2O減飽和法測定不开胸狗冠脉血流量的方法,并研究了海南島萝芙木根总碱的作用,及其对心肌糖代謝的影响。在X光透視下經靜脉插管至冠状資,从冠状动、靜脉血N_2O減飽和速率之差,計算心肌血流量,并从动、靜脉血氧、糖、乳酸及丙酮酸合量之差,計算心肌的消耗量及利用率。实驗設計采用配对法,进行t測驗个别比較,以分析除去动物个体差异及对照溶剂的影响后萝芙木碱本身的作用。 9只狗之各項正常数值平均数±标准差为:动脉平均压143±17毫米汞柱,冠状竇平均压8±3毫米汞柱,冠脉血流量88±21毫升/100克心肌/分,冠脉阻力1.7±0.4毫米汞柱/毫升/100克心肌/分,动脉血氧合量18.1±1.9容积%,冠状竇血氧含量5.6±1.1容积96,动脉血糖116±24毫克%,冠状竇血糖109±20毫克%,动脉乳酸24±7毫克%,冠状寶乳酸16±5毫克%,动脉丙酮酸1.7±0.5毫克%,冠状竇丙酮酸0.8±0.3毫克%。 靜脉注射萝芙木碱0.1毫克/公斤后,血压立即明显下降約25%,半小时后回升,冠脉血流量变化不显著,冠脉阻力有减低趋势,說明萝芙木碱降压时并不引起冠脉血流减少,冠状血管趋于扩张。心肌对氧、乳酸...

本文介紹了N_2O減飽和法測定不开胸狗冠脉血流量的方法,并研究了海南島萝芙木根总碱的作用,及其对心肌糖代謝的影响。在X光透視下經靜脉插管至冠状資,从冠状动、靜脉血N_2O減飽和速率之差,計算心肌血流量,并从动、靜脉血氧、糖、乳酸及丙酮酸合量之差,計算心肌的消耗量及利用率。实驗設計采用配对法,进行t測驗个别比較,以分析除去动物个体差异及对照溶剂的影响后萝芙木碱本身的作用。 9只狗之各項正常数值平均数±标准差为:动脉平均压143±17毫米汞柱,冠状竇平均压8±3毫米汞柱,冠脉血流量88±21毫升/100克心肌/分,冠脉阻力1.7±0.4毫米汞柱/毫升/100克心肌/分,动脉血氧合量18.1±1.9容积%,冠状竇血氧含量5.6±1.1容积96,动脉血糖116±24毫克%,冠状竇血糖109±20毫克%,动脉乳酸24±7毫克%,冠状寶乳酸16±5毫克%,动脉丙酮酸1.7±0.5毫克%,冠状竇丙酮酸0.8±0.3毫克%。 靜脉注射萝芙木碱0.1毫克/公斤后,血压立即明显下降約25%,半小时后回升,冠脉血流量变化不显著,冠脉阻力有减低趋势,說明萝芙木碱降压时并不引起冠脉血流减少,冠状血管趋于扩张。心肌对氧、乳酸和丙酮酸的利用率很高,而对血糖消耗很少,說明心肌主要从糖的有氧代謝获取能量。靜脉注射萝芙木碱后,动脉血的乳酸及丙酮酸含量均显著增高,因此能增加心脏的能源供应,改善心肌的营养。萝芙木碱能加強左心室作功量,而心肌氧消耗量并未增高,故計算出心肌机械作功率从15%提高到20%。总結本文結果:萝芙木碱在扩张冠状血管、提高心肌作功率及增加心肌能源供应三方面都有一定的作用,因此对高血压心脏的代偿能力的提高是有利的。

Tris-(1-aziridinyl)-phosphine oxide(I, TEPA) and 2-[bis-(2-chloroethyl)-amino]-tetrahydro-1, 3, 2-oxazaphospholidine-2-oxide(Ⅲ, B-518) possess inhibitory action against a variety of animal tumours and have been used clinically. Recently, bis-(1-aziridinyl)-phosphinyl carbamic acid ethyl ester(Ⅱ, AB-100) was found to possess significant activity with low toxicity on experimental animal tumours. In order to examine the relationship between chemical structure and pharmacological activity, bis-(1-aziridinyl)-[bis-(2-chloroethyl)-amino]-phosphine...

Tris-(1-aziridinyl)-phosphine oxide(I, TEPA) and 2-[bis-(2-chloroethyl)-amino]-tetrahydro-1, 3, 2-oxazaphospholidine-2-oxide(Ⅲ, B-518) possess inhibitory action against a variety of animal tumours and have been used clinically. Recently, bis-(1-aziridinyl)-phosphinyl carbamic acid ethyl ester(Ⅱ, AB-100) was found to possess significant activity with low toxicity on experimental animal tumours. In order to examine the relationship between chemical structure and pharmacological activity, bis-(1-aziridinyl)-[bis-(2-chloroethyl)-amino]-phosphine oxide(Ⅳ), nitrogen mustards of cyclic phosphoramide ester and thioester (Ⅴ & Ⅵ) were then prepared. Compound Ⅳ, Ⅴ and Ⅵ were prepared by treating N, N-bis-(2-chloroethyl)-phosphoramide dichloride in anhydrous dioxane or benzene with the corresponding amino or mercapto-compounds in the presence of a base such as triethylamine. Compound Ⅳ (designated as AT-222) exhibited broad antitumour effecots on sarcoma 180, spindle cell sarcoma and lymphatic leukemia in mice as well as on Jensen sarcoma and fibrosarcoma in rat, and has been recommended for clinical trials.

双(2-氯乙基)氨基磷酰二氯与乙烯亚胺在脱水苯或对氧六环中并在三乙胺的存在下进行缩合,生成N,N-双(2-氯乙基)-N′,N″-二乙烯基-磷酰胺(Ⅳ);与双巯基或双氨基化合物作用,则生成相应的环状磷酰胺、磷酰胺酯以及磷酰胺硫代酯氮芥类化合物(Ⅴ及Ⅵ).化合物Ⅳ(AT-222)对若干动物肿瘤具有显著的抑制作用,已介绍至临床试用。

Since the discovery of antitumor activity of Sb-57 and Sb-71, about 50 analogs of them have then been tested in mice bearing Ehrlich ascites carcinoma or sarcoma 180. The main results were as follows: 1. The antimonial chelates of five complexones exhibited marked inhibiting action on Ehrlich ascites carcinoma in mice. They were the salts of EDTA-Sb (table 6-Ⅰ) and PDTA-Sb (Ⅳ), N-substituted analogs of EDTA-Sb (Ⅱ), ATA-Sb (Va) and antimonial derivatives of its analogs (Ⅶ), and CDTA-Sb (Ⅸf). Among these compounds...

Since the discovery of antitumor activity of Sb-57 and Sb-71, about 50 analogs of them have then been tested in mice bearing Ehrlich ascites carcinoma or sarcoma 180. The main results were as follows: 1. The antimonial chelates of five complexones exhibited marked inhibiting action on Ehrlich ascites carcinoma in mice. They were the salts of EDTA-Sb (table 6-Ⅰ) and PDTA-Sb (Ⅳ), N-substituted analogs of EDTA-Sb (Ⅱ), ATA-Sb (Va) and antimonial derivatives of its analogs (Ⅶ), and CDTA-Sb (Ⅸf). Among these compounds the propylamine salt and morpholine salt were more potent than the others (such as sodium salt). 2. Ten kinds of metal complex (Hg, Bi, Pb, Zn, Mn, Cu, Co, Ni, Sn and Ba) of ATA and EDTA (Ⅲ, Ⅴ and Ⅷ) were prepared and examined for their activities, but none of them showed any inhibitory action on experimental tumors. The chelating agents (EDTA, PDTA and ATA etc.) alone also had no therapeutic effect on Ehrlich ascites carcinoma or sarcoma 180 in mice. 3. EDTA-SbNa, PDTA-SbNa (Sb-57) and ATA-Sb (Sb-71) produced a slight inhibition on the growth of sarcoma 180. The chemical feature and pharmacologic effect of antimonial chelates of EDTA and ATA are also discussed in this paper.

銻胺羧螯合物是本所发現的新型抗肿瘤药物,本文继續探討此类化合物的化学結构与疗效之間关系。发現:(1)銻与5种不同类型的胺羧螯合剂結合的制剂,例如EDTA-Sb(Ⅰ)和PDTA-Sb(Ⅳ)的不同盐类,N取代的EDTA-Sb(Ⅱ),ATA-Sb(Ⅴa)及其类似物(Ⅶ)和GDTA-Sb(Ⅸf)对小鼠Ehrlich腹水瘤均有明显的抑制作用,其中乙二胺四乙酸銻丙基銨盐和对氧氮六环盐的疗效較其鈉盐为佳。(2)汞、鉍、鉛、鋅、錳、銅、鈷、鎳、錫和鋇10种金属胺羧絡合物(Ⅲ,Ⅴ及Ⅷ)及EDTA,PDTA和ATA对Ehrlich腹水瘤和肉瘤180均无疗效。(3)EDTA-Sb-Na,PDTA-Sb-Na和ATA-Sb对肉瘤180稍有抑制作用。(4)銻胺羧螯合物抗癌作用的基本結构可能为一个含銻的螯合物分子中拥有以氮为中心而具有三个以上的羧甲基。

 
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