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时间
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  time
    Delay Time of Type Mao-C07 Autoleveller for Domestic Wool
    国产毛C07自调匀整装置延迟时间的探讨
短句来源
    Measures for Controlling Breaking Time on Fabric Strength Testing Machine Type LFY-25
    LFY-25织物强力机控制断裂拉伸时间的方法
短句来源
    Influence of Potassium Bichromate Concentration and Storage Time of Sample on Determination of Milk Fat by Milko-Scan
    重铬酸钾浓度和样品贮存时间对Milkl-Scan测定乳脂肪的影响
短句来源
    Simple Formule for Delay Time Calculation of Domestic C-07 Autolevelling System
    国产毛 C07型自调匀整装置延迟时间的简约计算式
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    Relation ship between acidity, viscosity and presevation time in condensed milk
    牛乳的酸度粘度和保藏时间的关系
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  period
    In this research,sweet potato starch was hydrolyzed at 80~81℃ by various acid concentration(2%,4%,6%),solvent media(75% EtOH,85% EtOH,95% EtOH) and acid treatment period(3 h,3.5 h,4 h). Determine DE(dextrose equivalent) and optimization of acid hydrolysis.
    红薯淀粉在80~81℃温度下,以不同浓度盐酸(2%、4%、6%)、不同浓度的乙醇水解液介质(75%、85%、95%)和不同水解时间(3 h、3.5 h、4 h)进行了不同条件的水解实验。
短句来源
    The experiment results indicated that the producing optimum temperature and pH were 30℃ and 7.0 respectively, the subtracts and water was in the proportion of 1:1.4~1:1.6. The optimum producing period was 26d.
    结果表明,茯苓发酵茶的生产最适温度为30℃、最适pH为6,料水比为1:1.4 ̄1:1.6、采收时间为26d;
短句来源
    Sweet potato starch was hydrolyzed at 79~81℃ by various acid concentration(2%,4%,6%),solvent media(75% EtOH,85% EtOH,95% EtOH) and acid treatment period(1~5h).
    以红薯淀粉为原料制备红薯淀粉糊精。 红薯淀粉在79~81℃温度下,以不同浓度盐酸(2%、3%、4%)、不同浓度的乙醇水解液介质(75%、85%、95%)、不同水解时间(1~5h)进行不同条件的水解。
短句来源
    As for water-boiling method, the ratio of meal to liquid was 1 : 5(w/w); the optimal extraction period was 15 minutes.
    水煮法的最佳料液比为1:5(w/w),最佳加热时间为15 min。
    As for water-boiling method, the ratio of meal to liquid was 1:5(w/w); the optimal extraction period was 15 minutes.
    水煮法的最佳料液比为1:5(w/w),最佳加热时间为 15 min。
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  “时间”译为未确定词的双语例句
    To discuss twist change and relation between elongation & twist of java cotton and cotton blended rotor yarn,change condition,strength,breaking elongation of java cotton / cotton 50/50 36.5 tex blended rotor yarn were tested.
    为了了解木棉与棉混纺转杯纱的捻度变化情况及强伸性能与捻度的关系,对木棉/棉50/50 36.5tex混纺转杯纱捻度随时间的变化情况、强力、断裂伸长率随捻度的变化情况进行了测试分析。
短句来源
    The pretreatment for wool is at 40 ℃ for 20 minutes,dyeing temperature is 85 ℃.
    WMJ对羊毛的预处理温度为40℃,时间20 min,染色温度85℃。
短句来源
    The optimized condition was 45 min,70 ℃,NaHCO_3 20 g/L.
    优化工艺条件为,固色温度70℃,固色时间45 min,NaHCO3用量20 g/L;
短句来源
    Under these conditions,the biosorption capacity was 91.82±0.54 mg·g-1.The blank and copper-sorption yeast were studied by Fourier Transform Infrared(FTIR) spectroscopy.
    L-1,吸附温度25℃,吸附时间2.5 h. 此时啤酒废酵母对Cu2+的吸附量可达91.82±0.54 mg.
短句来源
    The results suggested that the best technical conditions were as follows: 40 min saccharification, 0.05 % (w/w)inoculation quantity, fermentation temperature at 34 ℃, 60 h fermentation, the use rate of starch in Dioscorea Zingiberensis as 97 %, alcohol yield as 53.5 %, and the final alcohol content as 7.8 %Vol.
    结果表明,发酵最优条件为糖化时间40min,接种量0.05%(w/w),发酵温度34℃,发酵时间60h,盾叶薯蓣的淀粉利用率为97%,淀粉出酒精率为53.5%,最终酒精度为7.8%Vol。
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  time
The proof is based on a variant of Moser's method using time-dependent vector fields.
      
We present two-sided singular value estimates for a class of convolution-product operators related to time-frequency localization.
      
The Balian-Low theorem (BLT) is a key result in time-frequency analysis, originally stated by Balian and, independently, by Low, as: If a Gabor system $\{e^{2\pi imbt} \, g(t-na)\}_{m,n \in \mbox{\bf Z}}$
      
Gabor Time-Frequency Lattices and the Wexler-Raz Identity
      
Gabor time-frequency lattices are sets of functions of the form $g_{m \alpha , n \beta} (t) =e^{-2 \pi i \alpha m t}g(t-n \beta)$ generated from a given function $g(t)$ by discrete translations in time and frequency.
      
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  period
Let 0≤g be a dyadic H?lder continuous function with period 1 and g(0)=1, and let.
      
The survival probability in finite time period in fully discrete risk model
      
To some two-period economies with countable infinite state spaces, the existence of expectation equilibrium of real asset economies with transaction costs is given.
      
Epidemiologic model of SIS type has a delay corresponding to the infectious period and disease-related deaths, so that the population size is variable.
      
This paper considers an SEIS epidemic model with infectious force in the latent period and a general population-size dependent contact rate.
      
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As the result of a series of experiments, the following conclusions can be made: 1. The optimum pH of saccharifying enzyme and maltase of the submerged culture of Aspergillusniger, NRRL 330 is between 3 and 5 at the temperature below 60℃. At any value of pH, the optimumtemp. is 60℃. At higher temp. the sensitivity of these amylases toward pH will be greater. Beyondthe optimum pH range, the saccharifying enzyme and maltase are much more stable at the acid sidethan at the alkaline side. When pH is over 6, the...

As the result of a series of experiments, the following conclusions can be made: 1. The optimum pH of saccharifying enzyme and maltase of the submerged culture of Aspergillusniger, NRRL 330 is between 3 and 5 at the temperature below 60℃. At any value of pH, the optimumtemp. is 60℃. At higher temp. the sensitivity of these amylases toward pH will be greater. Beyondthe optimum pH range, the saccharifying enzyme and maltase are much more stable at the acid sidethan at the alkaline side. When pH is over 6, the activities of the saccharifying enzyme and maltasedecrease greatly; at pH 7, as the temp. increasing to 70℃, they almost lose their activities. 2. The optimum pH of the dextrinizing enzyme of the submerged culture of Asp. niger is alsobetween 3 and 5. The optimum temp. is 60-70℃. At the optimum pH, the dextrinizing enzyme increasesin direct proportion with the temp. Same as saccharifying enzyme its sensitivity toward pH increaseswhen the temp. is higher. 3. From the results of the experiments ncerning the thermal resistance of saccharifying enzymeof submerged-culture of Asp. niger and A. oryzae, we know that the thermal resistance of the formeris much stronger than that of the latter. When treated at 50℃ for 3 hrs, the saccharifying activity of A. niger lost only by 10%, whilethat of A. oryzae by 70%. When Asp. niger, NRRL 330 is treated at 60℃ for 1 hr., only 35% of thesaccharifying activity is lost; while at the same condition, 80% of the saccharifying activity of A. oryzaewill be lost. In the manufacture of alcohol, amylase which acquires stronger thermal resistance always givebetter results. If the thermal resistance of amylase is strong, the saccharifying temp. of the mash may be higher.Concerning this point the following advantages may be mentioned: (1) At higher temp. the decrease in the viscosity of the mash and the increase in the rate ofsaccharification are both favorable for the fermentation process. (2) Prevention of bacterial contamination at higher temp. of saccharification results higheralcohol yield. (3) Having acquired greater thermal resistance, the saccharifying enzyme during and after thesaccharification process will be negligibly destroyed, which in turn will not effect much of its effectiveness. 4. By using Kitahara's method of fractional quantitative analysis to decide the type of amylasescontaining in the submerged culture of A. niger and A. oryzae, the following results are obtained: At the value of pH 2.5, the saccharifying activity of A. oryzae is entirely lost, so the amylase ofA. oryzae may belong to α-type. Although the pH is lowered to 2.5, the liquifying power of A. niger, NRRL 330 is only slightlyeffected. In this case, A. niger, NRRL 330, perhaps contains an acid fast liquifying enzyme, which, onthe contrary, being destroyed at pH 7 (55℃), is different from the ordinary α-amylase. Moreover, the saccharifying enzyme of A. niger is only slightly effected at pH 7 (55℃). It isobvious that this amylase is not the same as the ordinary β-amylase. At pH7 (55℃ 15 min), ere is no great influence on maltase activity of A. niger. But this resultdiffers from Kitahara's report appreciably. From the above experiments, we can see that the acid resisting power of amylases of A. nigeris much stronger than that of A. oryzae.

由淀粉质原料制造酒精以液体麯为糖化剂时,对于液体麯所含各种淀发酶的特性,必须彻底明了,方能确定糖化所需的最适温度、时间与pH值,否则淀粉酶在制造过程中受到损害,结果将大大影响淀粉利用率。本试验中,黑麯霉以Asp.niger,NRRL 330为菌种,黄麯霉以Asp.oryzae,No.7为菌种。报告内容分为:Ⅰ温度、pH对于黑麯霉的液麯糖化酶的影响。Ⅱ温度、pH对于黑麯霉的液麯α淀粉酶的影响。Ⅲ温度、pH对于黑麯霉的液麯麦芽糖酶的影响。Ⅳ黑麯霉的液麯麦芽糖酶的最适温度。Ⅴ黑麯霉的液麯黄麯霉的液麯淀粉酶的耐热性比较试验,Ⅵ黑麯霉、黄麯霉的液麯淀粉酶类型的研究。

~~

快速纤维计数器的设计,目的是提高纤维检验工作的效率,同时对半制品的均匀度检查也将提供新的方向。本文说明快速纤维计数器设计的理论:当切割器割断纤维时,纤维断裂在时间上的不连续性及切割引起脈冲和纤维根数的一一对应性。初步设计的电子管线路已能在阴极示波仪上指示每根纤维在断裂时产生一等幅讯号。本文较详细地讨论,由于纤维计数的结果,可能建立一系列描述纤维可纺性的有关物理量,包括平均長度L,等效半径r,比面积S,面形指数B,周界长度P等。并且根据纤维数量,导出半制品均匀度的基本公式。最后提出整个仪器的完成与电子计数器的制备和校核工作所应采取的方向。

This paper aims at a discussion on problems of labor organization of weavers in accordance with an article written by Soviet author E. A. Sterin issued on "Textile Industries of U.S.S.R." No. 1, 1956. Certain data acquired through a detailed time-study before and after the rearrangement of labor organization are included with analytical comments. The main part of this paper deals with the following problems: 1. Analysis and evaluation of data acquired from the time-study regarding the utilization of working...

This paper aims at a discussion on problems of labor organization of weavers in accordance with an article written by Soviet author E. A. Sterin issued on "Textile Industries of U.S.S.R." No. 1, 1956. Certain data acquired through a detailed time-study before and after the rearrangement of labor organization are included with analytical comments. The main part of this paper deals with the following problems: 1. Analysis and evaluation of data acquired from the time-study regarding the utilization of working hours and the factors affecting the workers' efficiency; 2. Theoretical survey on the changes in production rates of looms in the light of a comparison with actual production situation; 3. Discussions on improving quality of products, effective management in work lots, harmonious operations during a shift, better utilizing of working hours, etc.; 4. Suggestions.

本文系根据苏联紡織工业杂志1956年第一期E.A.斯切尔林所提出的論点进行了試驗研究。文中叙述了劳动組織調整前后进行詳細的測定,并根据測定的資料加以分析論証。本文主要論述了以下几方面的問題。从测定資料来分析工人工时利用情况以及工人劳动生产率提高的因素,并进行了評述。对織机的产量定額变动情况进行了理論性的論証并引用了实际产量情况作了比較。关于提高产品品質問題,提高工区有效領导問題,工人在工作班时間內均匀的看护机台和合理的利用工时等問題均作了論述,同时对存在的問題亦提出了一定的看法和作了分析。

 
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