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material
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  材料
    Study on A New Porous Carbon Material——Woodceramics
    新型多孔炭材料——木陶瓷的研究
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    Study and Application of Material in Stereolithography
    光固化快速成型材料的研究与应用
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    High-molecular Damping Material
    高分子阻尼材料
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    BT Resin——New Electronic Material
    BT树脂——新的电子材料
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    Preparation of New Photosensitive Material DBMPAZC for Blueprint
    晒图新型感光材料DBMPAZC的制备
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  原料
    ANALYSIS OF THE ULTIMATE RAM MATERIAL OF GZ-A PARAFFIN EMULSION
    GZ—A石蜡乳化剂的主要原料分析
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    Choice of Raw Material and Process Control for Producing Low—Frothing R—PVC Sheets
    R—PVC低发泡板材的原料选择和工艺控制
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    Study of Diralent silicon Compourds(Ⅱ)──Syuthesis of silytlene of Row material Benzidianil
    二价硅化合物的研究(Ⅱ)──硅烯原料二苯乙二酮缩双苯胺的合成
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    Separation of Tb and Dy by Column Extraction Chromatography(Ⅴ)──Effect of Material Composition,Washing Speed and Temperature
    柱萃取色谱法分离铽和镝的研究(Ⅴ)──原料组成,淋洗温度和流速的影响
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    Analysis and Discussion of the Big and Medium-sized Chemical Fertilizer Key Equipment Using Coal as Raw Material
    以煤为原料的大中化肥关键设备技术分析与探讨
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  物料
    THE MATHEMATICAL MODEL OF MATERIAL BALANCE AND ITS APPLICATION IN POLYPROPYLENE UNIT OF LIQUID-PHASE BULK POLYMERIZATION
    间歇液相本体法聚丙烯装置的物料平衡数学模型及其应用
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    The Measurement and Calculation of Material Balance in Pulp and Paper Mill
    制浆造纸厂物料平衡的测定和计算
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    Material balance calculation in carbamate condenser at urea synthesis conditions
    尿素合成条件下甲胺冷凝器物料平衡计算
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    Practical Design of Material Delivery in SZ-1500 Vacuum Rotary Dryer
    SZ—1500型真空回转干燥器物料输送的实用设计
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    Study on Rheological Behavior for Polymer Melts and Concentrated Solutions (Ⅱ) The Integral Constitutive Equation and Material Function for Polymer Melts and Concentrated Solutions
    高分子熔体和浓溶液的流变性能研究──(Ⅱ)高分子流体的本构方程和其物料函数
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  “material”译为未确定词的双语例句
    Recent Development of Sizing Material——Alkyl Ketene Dimer (AKD)for Neutral Sizing
    施胶技术的近期发展——以烷基烯酮二聚体进行中性施胶
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    Promoting Development of Material Resources and Energy Resources with Radiation Chemistry
    用辐射化学促进资源与能源的开发
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    Hot Melt Sealant, a New Type of Seal Material
    新型密封材料——热熔型密封胶
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    Application of Amine Epoxy Resin Photoelastic Material
    胺类环氧型光弹性材料的应用
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    Methods for the improvement of impact strength of brake lining material
    论提高石棉制动摩擦片冲击强度的途径
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  material
The material presented here is a synopsis of the Ph.D thesis of the author, cf.
      
Compound 4, 5, 6, 7, and 8 were synthesized from 4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylic acid 1 as a starting material.
      
Inverse computation of optical-absorption coefficient in inhomogeneous material with varied thermal conductivity
      
It showed that the bromide in the rosin glycerin ester decomposed faster than the ester; hence it may be used as fire-resistant material.
      
The biomimetic three-dimensional porous composite can serve as a kind of excellent scaffold material for bone tissue engineering because of its microstructure and properties.
      
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Sodium di-n-butyl naphthalene sulfonate was prepared from n-butyl al-cohol, naphthalene and fuming sulfuric acid. Di-isoamyl naphthalene sul-fonate was prepared similarly. Their wetting properties were tested by the modified Draves method. Dibutyl naphthalene sulfonate was found to be avaluable wetting agent and could be made from cheap raw materials.

本文提供二正丁基萘磺酸钠及二异戊基萘磺酸钠之制备方法.前者可从正丁醇、萘、及发烟硫酸制得,后者可用异戊醇代替正丁醇.此两种萘磺酸钠之浸湿作用会用与Draves法相似之方法加以测定,并与土耳其红油之浸湿作用相比较.根据实验之结果,知二正丁基萘磺酸钠之浸湿力较土耳其红油为高,乃良好之浸湿剂;但二异戊基萘磺酸钠之浸湿力并不较土耳其红油为高.

Through a comparative study with seven other agricultural by-products, for manufacturing viscose rayon pulp. It was found that wheat straw is the most hopeful raw material, both from the technical and economical point of view. Laboratory pulping can be efficiently conducted by the prehydrolysissulphate process, at 160° for 3 hours, during which is consumed 15-20% total alkali with a sulphidity of 25%, followed by chlorination, alkaline extraction and bleaching. During the multi-stage bleaching process...

Through a comparative study with seven other agricultural by-products, for manufacturing viscose rayon pulp. It was found that wheat straw is the most hopeful raw material, both from the technical and economical point of view. Laboratory pulping can be efficiently conducted by the prehydrolysissulphate process, at 160° for 3 hours, during which is consumed 15-20% total alkali with a sulphidity of 25%, followed by chlorination, alkaline extraction and bleaching. During the multi-stage bleaching process the total chlorine and alkali consumption are 3-5% and 1-2% respectively. The resulting pulp possesses a degree of polymerization of around 900 and an α-cellulose content of 93-94%. It was successfully utilized in the manufacture of viscose rayon on a laboratory machine with a capacity of 1 kg. per batch, resulting in a yarn of good quality, say, a tenacity of 1.7-1.8 g./den, and an extensibility at break of 13%.

与其他七种农林副产和廢料比較之下,本文指出小麦杆在制漿和紡絲方面的合适性和經济价值。在制漿方面,采用预水解硫酸鹽法。經过研究全硷量、硫化度和溫度三因素对蒸煮的影响之后,認为蒸煮时用15—20%的全硷量,25%硫化度,升溫90分鐘,保持160°3小时,然后再进行多段漂白,即可得适于粘膠法紡絲的漿粕,成絲性質良好。

Low-boiling phenols in low-temperature coal tar are important chemical raw materials. For the identification and determination of the individual phenol boiling below 210℃ in the low temperature coal tar, the methods of gas chromatography, liquid-liquid chromatography followed by ultra-violet analysis and fractional distillation followed by infrared analysis were evaluated and compared. For the same sample, the maximum deviation derived by these three methods was all within 2%. Although the first method...

Low-boiling phenols in low-temperature coal tar are important chemical raw materials. For the identification and determination of the individual phenol boiling below 210℃ in the low temperature coal tar, the methods of gas chromatography, liquid-liquid chromatography followed by ultra-violet analysis and fractional distillation followed by infrared analysis were evaluated and compared. For the same sample, the maximum deviation derived by these three methods was all within 2%. Although the first method was the most rapid one, but the last two gave more comprehensive results. For example, with the gas chromatography method, m-cresol, p-cresol and 2,6xylenol could not be separated, but with the last two methods the composition of each isomer could be determined.

随着煤炼油工业的发展,煤焦油中的酚类,特别是低級酚,作为化工原料的利用很重要,我們应用(1)气液色譜法,(2)液液色譜与紫外光譜法結合及(3)精餾与紅外光譜法結合三种不同方法对210°以前的低級酚进行了各种异构体的成分分析,比較分析結果:三种方法对同一样品进行分析时,最大絕对誤差在2%以内,其中以气液色譜法最为快速,液液色譜法次之,精餾-紅外光譜法費时間較多;但后二种方法所得数据較完全。例如对甲酚,問甲酚及2,6-二甲酚用气液色譜法不能分开,而利用后二种方法則可以分别得到各个单体酚的百分含量。

 
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