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温度
相关语句
  temperature
    Study of the Unsteady Temperature Field of Tire
    轮胎非稳态温度场的研究
短句来源
    EFFECT OF TEMPERATURE ON FLUOROMETRIC ASSAY OF 5-HYDROXYLTRYPTAMINE AND 5-HYDROXYLINDOLE ACETIC ACID
    温度对荧光检测5-羟色胺及5-羟吲哚乙酸的影响
短句来源
    An Investigation of Temperature Compensation on Photoelectric Transmitter Type NNG-01 for Black Liquor Consistency Measurements
    NNG—01型光电浓度变送器检测黑液浓度时温度补偿问题的探讨
短句来源
    The Optimum Control for Acetic Acid Cracking Temperature
    醋酸裂化温度的最优控制
短句来源
    KINETICS OF AN-MA-MAS PRECIPITATION TERPOLYMERIZATION IN AQUEOUS MEDIUM(Ⅱ).EFFECTS OF MONOMER CONCENTRATION,TEMPERATURE AND AGITATION
    AN—MA—MAS水相沉淀聚合动力学——(Ⅱ)单体浓度、温度及搅拌的影响
短句来源
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  temperatures
    CORROSIVE CONDITIONS FOR NYLON 1010 SAMPLES CRYSTALLIZED AT DIFFERENT TEMPERATURES
    不同结晶温度尼龙1010样品的刻蚀条件研究
短句来源
    A new method for estimating enthalpy of vaporization of pure substances at different temperatures by CSGC
    基团对应状态法(CSGC)用于估算不同温度下纯物质的蒸发焓
短句来源
    TRANSITION TEMPERATURES OF THERMOTROPIC LIQUID CRYSTALLINE POLYMERS AND POLYSULFONE IN SITU COMPOSITES
    聚砜与热致液晶聚合物原位复合材料相变温度的研究
短句来源
    The results showed that the initial thermal degradation temperatures of SIS,SBS and SI/BS at nitrogen atmosphere were 499.8,630.2 and 582.9 K respectively indicating that the thermal stability of SBS was better than those of SIS and SI/BS;
    结果表明,SIS,SBS和SI/BS在氮气气氛下的起始热降解温度分别为499.8,630.2和582.9 K,SBS的热稳定性高于SIS和SI/BS;
短句来源
    The result of thermal analysis showed that they all have high thermal stability and excellent char-forming ability,decomposition temperatures of compound a~d were 285,325,320 and 337 ℃,respectively,and residual carbon(w%) under 500 ℃ were 38.4%,26.3%,56.5% and 50.0%,respectively.
    热失重数据表明,目标产物均有较好的成炭性和热稳定性,化合物a~d的初始热分解温度分别为285,325,320,337,500℃时残炭质量分数分别达38.4%,26.3%,56.5%,50.0%。
短句来源
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  reaction temperature
    CALCULATION OF THE AXIAL DISPERSION MODEL ──THE EQUIVALENT REACTION TEMPERATURE METHOD
    用等效反应温度法计算轴向扩散模型
短句来源
    Study on the Reaction of Aromatiic with Sodium Polysulfide (Ⅱ) Effect of Reaction Temperature、DMF and other Factors on Reaction
    芳香硝基化合物与多硫化钠反应的研究(Ⅱ)反应温度、DMF及其它因素对反应影响
短句来源
    The influences of medium alkalinity,solvents,reaction temperature and reaction time on the yield of the product were investigated.
    讨论了介质碱性、溶剂、反应温度和反应时间等工艺条件对产物收率的影响。
短句来源
    Suitable reaction parameters for the synthesis were obtained as follows:solvent was p-xylene,n(silver oxide)∶ n(quaternary ammonium salt)=1 ∶ 1,reaction temperature110℃ and reaction time 10 h.
    获得了合成反应的优化参数为:对二甲苯为溶剂、硼氢化钠为还原剂、n(氧化银)∶n(季铵盐)=1∶1,反应温度110℃、反应时间10h。
短句来源
    Various reaction factors influencing the yield of the target product were discussed. The optimum reaction conditions were as follows:the molar ratio of O-chloronitrobenzene, hydrazine hydrate to PEG-800 was 1∶4∶0.03, the speed of agitator 500 r/min,the reaction time 5 h,the reaction temperature 110℃.
    讨论了催化剂种类、原料摩尔比、反应温度、反应时间、搅拌速度等因素对目的产品收率的影响,得出适合的操作条件为:n(邻硝基氯苯)∶n(水合肼)∶n(PEG-800)=1∶4∶0.03、反应温度110℃、反应时间5h、搅拌速度500r/min,产品收率达98.1%。
短句来源
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  “温度”译为未确定词的双语例句
    Study on the Preparation, Structure and Properties of pH/Temperature-Sensitive Sodium Alginate/Poly(N-isopropylacrylamide) Hydrogels
    海藻酸钠/聚(N-异丙基丙烯酰胺)pH/温度敏感水凝胶的制备及结构与性能的研究
短句来源
    TEMPERATURE-VELOCITY SUPERPOSITION OF THE DRAWING CHARACTERISTICS OF NYLON-6 FIBRE
    聚酰胺-6纤维拉伸特性的温度-速度换算
短句来源
    The Synthesis of 4 - Alkyl- 1 - (4' - Chlorophenyl ) Cyclohexane
    4-烷基-1-(4’-氯苯基)-环己烷液晶的合成──宽相变温度液晶研究之一
短句来源
    A New Characterization Parameter for Molecular Conformation Change of Proteins in Reversed-phase Liquid Chromatography
    反相液相色谱中温度对蛋白分子构象变化的新表征
短句来源
    Features and Temperatre Distribution of the Internals of SY-3C Ammonia Synthesis Converter
    SY-3C型氨合成塔内件特点及其温度分布
短句来源
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  temperature
The assumption that the temperature anisotropies of the CMB are a realisation of a statistically isotropic Gaussian random field on the sphere is questioned.
      
The reported method1 of their synthesis involves hydrogenation at high temperature and pressure.
      
The formed intermediate showed a lower thermal transition temperature (Tm) by a magnitude of 10°C in relation to the native DNA.
      
The nonlinear PDEs consist of a heat equation with the Joule heating as a source and a current conservation equation with temperature-dependent electrical conductivity.
      
In the theoretical analyses, the second-order error estimates are obtained for electrical potential in discrete L2 and H1 norms, and for the temperature in L2 norm.
      
更多          
  temperatures
The glass transition temperatures of the HPAEK-F and HPAEK-OH are 114°C and 162°C respectively.
      
It was found by DSC measurements that the melting point of samples gradually shifted to lower temperatures with the decrease of the solution concentration used for sample preparation.
      
Polycrystal Li2B4O7 (LBO) doped with Cu and In was prepared and then sintered at different temperatures.
      
This scheme is a supplement to the conventional thermal decomposition of organometallic compounds at higher temperatures.
      
The swelling ratios of the hydrogels at different temperatures were measured.
      
更多          
  reaction temperature
The Fe3O4 magnetic fluid was obtained by one-step method with the W/O microemulsion as microreactor to synthesize magnetic nanoparticles (reaction temperature was 30 °C and reaction time was 5 h) and kerosene as carrier liquid.
      
The effects of operational conditions, such as reaction temperature, pressure, and stirring rate were carefully studied.
      
In addition, the effects of activated carbon dosage, formic acid concentration, initial concentration of hydrogen peroxide, initial concentration of DBT and reaction temperature on the oxidation of DBT were investigated.
      
The concentration of formic acid, activated carbon dosage, initial concentration of hydrogen peroxide and reaction temperature affect the oxidative removal of DBT.
      
Effects of Fe content in catalyst, reaction temperature, reaction time and promoter KOH concentration on the conversion of substrates and enantio-selectivity were investigated.
      
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A modified method is described for the analysis of straight run gasoline and Fisher-Tropsch gasoline with the aid of calibration curves.This method can be satis- factorily applied to samples with aromatics or olefin content below 15% by volume. Carrier displacement technique is recommended for the separation of saturated hydrocarbon and aromatics at low temperatures using normal pentene as carrier. This method is more efficient than the conventional pentane elution technique. A method for the analysis of ordinary...

A modified method is described for the analysis of straight run gasoline and Fisher-Tropsch gasoline with the aid of calibration curves.This method can be satis- factorily applied to samples with aromatics or olefin content below 15% by volume. Carrier displacement technique is recommended for the separation of saturated hydrocarbon and aromatics at low temperatures using normal pentene as carrier. This method is more efficient than the conventional pentane elution technique. A method for the analysis of ordinary cracked gasoline is also suggested.

本文介绍用新的校正曲线进行烷-芳烃二元系(直馏汽油)和烷-烯二元系(费托合成汽油)的分析.误差分别为0.2%与0.5%(体积).用戊烯为夹带剂可以有效地将烷-芳烃混合物分离.试验应在较低温度下进行以避免烯的聚合.根据所提出的经验公式,可以进行与一般低芳烃含量的裂化汽油组成相近的烷、烯、芳烃三元系的分析.误差在1%以下.

As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results....

As cinchonine is not produced in our country and the ignition of mercurous tungstate is a troublesome operation leads us to examine critically the determination of tungsten as barium tungstate.The results of our experiments reveal that barium tungstate should be precipitated from a boiling solution of pH 7.2—8.0 with a rather large excess of barium chloride. The concentration of the precipitant, after precipitation, should be maintained within eight tenth to two millimolar, in order to obtain acceptable results. The barium tungstate precipitates may be ignited at 500—900°. When they are dried at 105 or 150°, they weigh several tenth milligrams heavier than that after ignition, presumably due to very small amounts of occluded water. The carbonate (from carbon dioxide in air and in water used) and chloride (from the precipitant) contents of the precipitates are negligible, being less than three and three to four parts per thousand respectively, while no precautions are taken to remove or guard against carbon dioxide con tamination. This method of determination may be used to estimate as low as six milligrams of tungsten trioxide. The exclusion of carbon dioxide during the determination, as suggested by Buscarons Ubeda et al and Duval et al, is found to be unnecessary. The influence of several ammonium, potassium and sodium salts are studied. Among them, sodium and ammonium acetates interfere the least, and potassium chloride the most. For detail please refer to Fig. 3 in this paper.

本文敍述用鎢酸鋇法测定鎢的適宜條件。沉澱應在pH7.2—8.0,微沸的溶液,用熱氯化钡溶液進行。沉澱劑應在沉澱後仍維持0.8—2毫克分子濃度。過低則沉澱不完全,過高則結果偏高。灼燒沉澱温度為500—900°。本法可以测定6毫克及以上的三氧化鎢。沉澱中的碳酸鹽(<3‰)和氯化物(當沉澱劑過量为50—100%時,3—4‰)均可不顧。隔絕或除去二氧化碳也無必要。幾種銨、鉀和鈉鹽的影響亦曾加以探討。

When sipeimine was fused with potassium hydroxide at various temperatures (260°to320℃),there could be isolated only one and the same crystalline product.Based upon itsempirical formula,physical and chemical properties and those of its derivatives,it was provedto be identical with sipeimone.Pyrolysis of sipeimine resulted only in the recovery of theoriginal substance.Upon treatment with a mixture of concentrated hydrochloric acid and glacial aceticacid,sipeimine gave chlorosipeimine,C_(27) H_(42) O_2NCl,colorless...

When sipeimine was fused with potassium hydroxide at various temperatures (260°to320℃),there could be isolated only one and the same crystalline product.Based upon itsempirical formula,physical and chemical properties and those of its derivatives,it was provedto be identical with sipeimone.Pyrolysis of sipeimine resulted only in the recovery of theoriginal substance.Upon treatment with a mixture of concentrated hydrochloric acid and glacial aceticacid,sipeimine gave chlorosipeimine,C_(27) H_(42) O_2NCl,colorless prisms,m.p.206° (dec.),[α]_D~(17°)-19. 37°(CHCl_3) ,as the main product.Chlorosipeimine could not be acetylated,and did notchange upon refluxing with zinc dust in glacial acetic acid,refluxing with silver acetate inmethanol,or heating with 5% aqueous potassium hydroxide.Refluxing with 5% alcoholicpotassium hydroxide converted it into anhydrosipeimine,C_(27) H_(41) O_2N,colorless long prismaticneedles,m.p.170°,[a]_D~(16°)+2. 45°(CHCl_3) .Anhydrosipeimine resisted hydrogenation in thepresence of palladium-charcoal or Adams platinum oxide catalyst in neutral or acidic medium,or in the presence of Raney nickel in alcohol at room temperature.On heating with concentrated alcoholic potash,sipeimine was transformed into an isomer,isosipeimine,colorless fine soft needles,m.p.228°,[a]_D~(16°)+12. 19°(CHCl_3) .Its ultravioletspectra did not show characteristic carbonyl absorption band.

1. 西贝素在不同温度下与氢氧化钾共熔,仅得一种产物,证明为西贝酮。2. 西贝素用浓盐酸处理得氯代西贝素 C_(27) H_(42) O_2NCl,氯代西贝素用氢氧化钾醇液处理得脱水西贝素 C_(27) H_(41) O_2N。3. 西贝素用浓氢氧化钾醇液或乙醇钠的醇溶液处理得异西贝素。

 
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