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ingredients    
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  成分
    Various methods,including XPS,IR,TEM,TGA and DTA,were applied to research into the surface ingredients,radicals and morphology of activated flyash;
    利用XPS.IR.TEM.TGA和DTA等方法研究了活化粉煤灰的表面成分、基团和形貌。
短句来源
    The ingredients of coked waste water is very complex and is a harmful and virulent organically industrial waste water.
    焦化废水成分复杂,是一种有毒有害难处理的有机工业废水。
短句来源
    Rapid Analytical Methods for Determining the Three Ingredients in Wastewater front Water Gel Explosive Plant
    水胶炸药生产排放污水中三种成分快速测定法
短句来源
    Conclusion The different mixture ratios of three ingredients of the black powder can produce different pyrotechnic effects.
    结论 黑火药3 种成分的不同配比可以产生不同的烟火效应;
短句来源
    The effect of coal type on the ingredients of synthesis gas,the methane and steam conversions was investigated in the experiments. With the coals as the raw materials,the results showed that the temperature in the flame zone and the content of active compounds(H2+CO)were higher than those of coke.
    结果表明,相对于焦炭,煤为原料时,高温火焰区温度略高,粗合成气有效成分H2+CO体积含量较高,且H2/CO更接近于热力学平衡值.
短句来源
  组分
    A Study on Mixing of Solid Propellant Ingredients
    固体推进剂固相组分的混合研究
短句来源
    Effects of Main Ingredients of High-Energy Propellants on Combustion Efficiency
    高能推进剂主要组分对燃烧效率影响研究
短句来源
    The effect of the main ingredients of high energy propellants on combustion efficiency was investigated by measuring the content of active aluminum in residue and vacuum explosion heat and conducting motor tests.
    利用燃烧残渣中活性铝含量分析、真空爆热特性和发动机试验手段 ,研究了高能推进剂中主要组分对推进剂燃烧效率的影响。
短句来源
    The experimental results show that the kind and content of plasticizer are primary factors in affecting the combustion efficiency and the content of AP and the particle size distribution of solid ingredients have also a great effect on it.
    实验结果表明 ,增塑剂的种类和含量是影响燃烧效率的主要因素 ,AP含量及固体组分的粒度级配也有明显的影响。
短句来源
    Thermal Decomposition Characteristics of GAP Fuel-rich Propellant Ingredients
    GAP贫氧推进剂组分的常压热分解特性研究
短句来源
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  组分
    A Study on Mixing of Solid Propellant Ingredients
    固体推进剂固相组分的混合研究
短句来源
    Effects of Main Ingredients of High-Energy Propellants on Combustion Efficiency
    高能推进剂主要组分对燃烧效率影响研究
短句来源
    The effect of the main ingredients of high energy propellants on combustion efficiency was investigated by measuring the content of active aluminum in residue and vacuum explosion heat and conducting motor tests.
    利用燃烧残渣中活性铝含量分析、真空爆热特性和发动机试验手段 ,研究了高能推进剂中主要组分对推进剂燃烧效率的影响。
短句来源
    The experimental results show that the kind and content of plasticizer are primary factors in affecting the combustion efficiency and the content of AP and the particle size distribution of solid ingredients have also a great effect on it.
    实验结果表明 ,增塑剂的种类和含量是影响燃烧效率的主要因素 ,AP含量及固体组分的粒度级配也有明显的影响。
短句来源
    Thermal Decomposition Characteristics of GAP Fuel-rich Propellant Ingredients
    GAP贫氧推进剂组分的常压热分解特性研究
短句来源
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  ingredients
The essential ingredients of the approach are scaling and wavelet functions within a biorthogonalisation process generated by locally supported zonal kernel functions.
      
Determination of active ingredients in hawthorn and hawthorn piece by capillary electrophoresis with electrochemical detection
      
The light- and electron-microscopic analysis of the colonies of a bacterial consortium capable of utilizing alkylsulfonates, which are the main ingredients of waste from the synthetic rubber industry, revealed the presence of eight types of cells.
      
The main approaches to simulation of the migration kinetics of ingredients from polymers were considered.
      
The influence of the chosen nitrate compounds on the process of reorganization of the constituent ingredients, evolution of nitrogen into the gas phase, yield of the solid residue, and preservation of nitrogen and phosphorus was revealed.
      
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Nine typical kinds of Chinese bituminous coal, different in petrographic type and degree of metamorphism, have been selected and studied. Samples in definite size range are separated in benzene-carbon tetrachloride mixtures into various fractions having specific gravity of >1.40, 1.40—1.35, 1.35—1.30, 1.30—1.28, 1.28—1.27 etc. For each fraction, its weight % yield, petrographic constitution and caking property (caking index and Roga number) have been determined, and its proximate and elementary analyses have...

Nine typical kinds of Chinese bituminous coal, different in petrographic type and degree of metamorphism, have been selected and studied. Samples in definite size range are separated in benzene-carbon tetrachloride mixtures into various fractions having specific gravity of >1.40, 1.40—1.35, 1.35—1.30, 1.30—1.28, 1.28—1.27 etc. For each fraction, its weight % yield, petrographic constitution and caking property (caking index and Roga number) have been determined, and its proximate and elementary analyses have also been made. The results obtained indicate that the yields of fractions of different specific gravities vary according to the petrographic type and degree of metamorphism of coals, and that the petrographic constitution and the properties of various fractions vary regularly with their specific gravity. On the basis of comparison of petrographic constitution and caking property of each fraction, the relationship between the properties of different petrographic ingredients and the degree of metamorphism has been discussed. In addition, Roga nuraber is correlated with the petrographic constitution and the degree of metamorphism, and it is interesting to point out that there exists certain limitation in applicability of Roga number in coal investigations.

选择和研究了九种代表不同岩相类型和变质程度的烟煤,将破碎至一定粒度的试样在重液中分离成>1.40、1.40—1.35、1.35—1.30、1.30—1.28、1.28—1.27等等不同比重的级分,测定了它们的产率、岩相组成和粘结性[以粘结性指数和罗加粘结性指数(LR值)作为粘结性指标,并进行了元素分析及工业分析。试验证明,各比重级产率分布随岩相类型和变质程度不同存在着规律性的差别。各比重级煤的岩相组成和性质随比重不同也发生有规律的变化。同时,从各比重级煤的岩相组成和粘结性数据对比中,论证了各种岩相成分的性质及其与变质程度的关系。此外,还探讨了罗加粘结性指数与煤的变质程度及岩相组成的关系;指出了该指标在煤质鉴定中的某种局限性。

Some of the viewpoints held by Prof. Chwang Chien-ting in his paper "The Fusion Point of Ash of Chinese Coals" (this journal, 1957, 2, No. 2, 114) are quite worthy to notice and discuss. 1. The assumption made by Prof. Chwang concerning the composition of coal ash cannot be warranted. In fact, the various ingredients of coal ash originate from very complicated mineral matters. Thus the assumption that coal ash is simply composed of the various metallic oxides mechanically mixed is unjustifiable. Prof....

Some of the viewpoints held by Prof. Chwang Chien-ting in his paper "The Fusion Point of Ash of Chinese Coals" (this journal, 1957, 2, No. 2, 114) are quite worthy to notice and discuss. 1. The assumption made by Prof. Chwang concerning the composition of coal ash cannot be warranted. In fact, the various ingredients of coal ash originate from very complicated mineral matters. Thus the assumption that coal ash is simply composed of the various metallic oxides mechanically mixed is unjustifiable. Prof. Chwang further postulated that when SiO_2/Al_2O_3=1.17 (i.e. the relative amounts of SiO_2 and Al_2O_3 in ash conform to the composition of kaolin Al_2O_3·2SiO_2·2H_2O and no free SiO_2 is present), the increase of percentage of metallic oxides in ash will not reduce the fusion point of the ash as there is no free SiO_2 to combine with the metallic oxides to form low-melting silicates. However, this postulation is inconsistent with the statement of the original paper and. also disproved by the experimental results. 2. For the same SiO_2/Al_2O_3 ratio, the increase of content of metallic oxides b(=Fe_2O_3+CaO=MgO=K_2O=Na_2O) in ash usually reduces the fusion point of the ash. But our experimental results show that when b exceeds 35%,the fusion points are higher than those for b equal to 30%. 3. For the same SiO_2/Al_2O_3 ratio, the fusion point of the ash increases with R(=SiO_2/Al_2O_3/Fe_2O_3+CaO+MgO+K_2O+Na_2O);when R is of approximately the same value, the smaller the SiO_2/Al_2O_3 ratio, the higher will be the fusion point. When R approaches or is smaller than 1, the fusion point shows no definite regularity, irrespective of the variation of SiO_2/Al_2O_3 ratio. 4. In the whole range of the coalification series, the content of volatile matter can represent neither the composition of the coals themselves, nor that of the ashes, hence it bears no relation with the fusion point of the ash. From the experimental results, no clear correlation can be found between the sulfur content and the iron content in ash, so that the fusion point is not closely related with the sulfur content of the ash. The influence of SiO_2 on the fusion point of coal ash is still uncertain and disputable, pending further investigation and verification.

莊前鼎教授所著“中國煤的灰熔點”一文中的部分論點是值得商榷的。 (1) 根據莊先生提出的理論,即假定煤灰的主要成分係由瓷土+自由SiO_2+各種金屬氧化物所組成,因而當煤灰中的SiO_2/Al_20_3=1.17時(即SiO_2與Al_2O_3都被認為是來自瓷土——2SiO_2·Al_2O_2·2H_2O,而無自由SiO_2存在時),雖金屬氧化物增加,但沒有自由SiO_2和金屬氧化物結合而降低灰熔點。然而實際上煤灰成分是來自煤中極其複雜的無機礦物質,將煤灰簡單地假定為瓷土、自由SiO_2及金屬氧化物的機械混合物是不恰當的。這一論點不僅與原文內容有不符之處,而且實驗結果也證明它不能成立。 (2) 一般在煤灰中的SiO_2/Al_2O_3相同時,金屬氧化物b%(Fe_2O_3+CaO+MgO+K_2O+Na_O)的增加,能降低煤灰熔點。但是根據試驗結果,富b%達35%以上時,灰熔點反較b為30%時高。 (3) 當SiO_2/Al_2O_3相同時,R=(SiO_2+Al_2O_3)/(Fe_2O_3+CaO+MgO+K_2O+Na_2O)愈大,灰熔點愈高。如R近似時,SiO_2/Al_2O_3愈小,灰熔點愈高。當R...

莊前鼎教授所著“中國煤的灰熔點”一文中的部分論點是值得商榷的。 (1) 根據莊先生提出的理論,即假定煤灰的主要成分係由瓷土+自由SiO_2+各種金屬氧化物所組成,因而當煤灰中的SiO_2/Al_20_3=1.17時(即SiO_2與Al_2O_3都被認為是來自瓷土——2SiO_2·Al_2O_2·2H_2O,而無自由SiO_2存在時),雖金屬氧化物增加,但沒有自由SiO_2和金屬氧化物結合而降低灰熔點。然而實際上煤灰成分是來自煤中極其複雜的無機礦物質,將煤灰簡單地假定為瓷土、自由SiO_2及金屬氧化物的機械混合物是不恰當的。這一論點不僅與原文內容有不符之處,而且實驗結果也證明它不能成立。 (2) 一般在煤灰中的SiO_2/Al_2O_3相同時,金屬氧化物b%(Fe_2O_3+CaO+MgO+K_2O+Na_O)的增加,能降低煤灰熔點。但是根據試驗結果,富b%達35%以上時,灰熔點反較b為30%時高。 (3) 當SiO_2/Al_2O_3相同時,R=(SiO_2+Al_2O_3)/(Fe_2O_3+CaO+MgO+K_2O+Na_2O)愈大,灰熔點愈高。如R近似時,SiO_2/Al_2O_3愈小,灰熔點愈高。當R接近1或小於1時,則不論SiO_2/Al_2O_3變化如何,與灰熔點之間無任何規律的關係。 (4) 從無煙煤到長焰煤,揮發分V~Γ既不能完全代表煤成分,更不能作為煤灰成分,因之與灰熔點無任何關係。根據實驗結果,煤中的全硫量較高時,煤灰中Fe_2O_3含量並不一定高,故與灰熔點並無明顯的關係。SiO_2含量對煤灰熔點的作用尚難確定,有待於進一步的研究。

Deals with heat - resisting PBX explosives made up of the main ingredients (β-HMX and HNS)and the bonding agent (Vinton F). Experimental techniques for their preparation are given , followed by discussions on the microcosmic mechanisms in inter face chemistry about the dispersion, bubble disappearance, bonding mechanism as well as chemical effects in the phase interfaces . Based on some theoretical reasoning , the authors believe that when the moistening heat of the bonding agent(to water) is approximately...

Deals with heat - resisting PBX explosives made up of the main ingredients (β-HMX and HNS)and the bonding agent (Vinton F). Experimental techniques for their preparation are given , followed by discussions on the microcosmic mechanisms in inter face chemistry about the dispersion, bubble disappearance, bonding mechanism as well as chemical effects in the phase interfaces . Based on some theoretical reasoning , the authors believe that when the moistening heat of the bonding agent(to water) is approximately equal to that of the explosives (to water), the bonding agent can be properly applied as the coherent in preparing PBX explosive (in water).

研究了以水作介质制备高分子塑性耐热炸药的实验方法.该炸药的主要组分是奥克托今(HMX)和六硝基芪(HNS),少量的氟橡胶为高分子粘接剂。从界面化学角度探讨制备中的分散、消泡、粘接的微观机理以及在各物相界面上的化学效应.为选择适宜以水作介质制备塑性耐热炸药的粘接剂,提出用炸药和高分子分别对水的润湿热相等作为一个选择依据。

 
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