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温度-时间
相关语句
  temperature-time
    A kind of the method of temperature-time program control with TP801 Z-80 microcomputer is proposed, and the experiment is made.
    提出了一种在TP801 Z-80单板机上实现温度-时间程序控制的方法,并进行了试验。
短句来源
    By means of series of comprehensible temperature-time simulating experiments and collection and analysis of a great deal of the published data, it is proved that Larson-Miller(P) parameter can rationally describe aging behaviors of main steam pipe steels, such as 12Cr1MoV and 15CrMo.
    通过系列温度-时间组合的实验室模拟实验和对大量数据的汇总、分析,证明Larson-Miller(P)参数可以合理描述12Cr1MoV、15CrMo等主蒸汽管道材料的多种老化行为.
短句来源
    The system consists of lens imaging system, detector, precision electric platform and the related circuit and software. Its temperature-measuring range is large, the resolving power for temperature can be as high as 0.2K and temperature-time relation curve can be also obtained.
    该系统由透镜成像系统、探测器、精密电动平台及相关电路和软件组成,其测温范围大,温度分辨力可达0.2K, 还可得到温度-时间关系曲线;
短句来源
    The standard temperature-time curve is adopted to establish the temperature calculation model of fire. Based on energy conservation theory,the heat of conduction,radiation and convection on the platform structure is analyzed,and the temperature field of members subjected to fire is calculated.
    采用弹塑性分析方法,并应用温度升高时钢材的非线性应力/应变关系,采用火灾的标准温度-时间曲线建立平台结构温度随时间的变化模型,基于能量守恒原理建立热传导微分方程,计算热传导和对流对结构温度的影响,分析得到受火区域构件的温度场。
短句来源
    Optimal temperature-time policy of ethylene oxide synthesis reactor
    环氧乙烷合成反应器温度-时间优化策略
短句来源
更多       
  temperature-time
    A kind of the method of temperature-time program control with TP801 Z-80 microcomputer is proposed, and the experiment is made.
    提出了一种在TP801 Z-80单板机上实现温度-时间程序控制的方法,并进行了试验。
短句来源
    By means of series of comprehensible temperature-time simulating experiments and collection and analysis of a great deal of the published data, it is proved that Larson-Miller(P) parameter can rationally describe aging behaviors of main steam pipe steels, such as 12Cr1MoV and 15CrMo.
    通过系列温度-时间组合的实验室模拟实验和对大量数据的汇总、分析,证明Larson-Miller(P)参数可以合理描述12Cr1MoV、15CrMo等主蒸汽管道材料的多种老化行为.
短句来源
    The system consists of lens imaging system, detector, precision electric platform and the related circuit and software. Its temperature-measuring range is large, the resolving power for temperature can be as high as 0.2K and temperature-time relation curve can be also obtained.
    该系统由透镜成像系统、探测器、精密电动平台及相关电路和软件组成,其测温范围大,温度分辨力可达0.2K, 还可得到温度-时间关系曲线;
短句来源
    The standard temperature-time curve is adopted to establish the temperature calculation model of fire. Based on energy conservation theory,the heat of conduction,radiation and convection on the platform structure is analyzed,and the temperature field of members subjected to fire is calculated.
    采用弹塑性分析方法,并应用温度升高时钢材的非线性应力/应变关系,采用火灾的标准温度-时间曲线建立平台结构温度随时间的变化模型,基于能量守恒原理建立热传导微分方程,计算热传导和对流对结构温度的影响,分析得到受火区域构件的温度场。
短句来源
    Optimal temperature-time policy of ethylene oxide synthesis reactor
    环氧乙烷合成反应器温度-时间优化策略
短句来源
更多       
  “温度-时间”译为未确定词的双语例句
    Mechanics Performance of Semi-rigid Material under Coupling of Age with Temperature
    温度-时间耦合下半刚性材料力学性能研究
短句来源
    and still further, the Temperature-Time-Sensitization (TTS) curves are predicted.
    进而可以预测不锈钢的温度-时间-敏化(TTS)曲线.
短句来源
    The temperature of a sample was automatically collected by the instrument.
    试样的温度变化由热模拟机自动采集,生成试样的温度-时间曲线;
短句来源
    According to the traditional nucleation-growth kinetics theory,with the estimation of relative parameters such as the transformation free energy and the interfacial energy,a relative quantitative theoretical calculation method for the PTT(precipitation amounttemperature-time) curve of microalloy carbonitride precipitated in ferrite is proposed.
    根据经典形核长大动力学理论,分析解决了包括相变化学自由能、界面能、形核沉淀方式等一系列相关参量的理论计算或理论处理问题,由此提出了微合金钢中微合金碳氮化物在铁素体基体中沉淀析出的PTT曲线(沉淀量-温度-时间曲线)的相对定量理论计算方法。
短句来源
    Design and operational effect of time/temperature-based aeration control system for aerobic composting
    基于温度-时间的好氧堆肥通风控制系统的设计与运行效果
短句来源
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  temperature-time
The results of the experiment indicate that the core temperature-time curve can be divided into three stages: a stage of a rapidly rising temperature, a stage of moisture vaporizing and a stage of a slowly increasing temperature.
      
The compositions of the initial glasses and the temperature-time schedules of heat treatment that provide a way of preparing highly homogeneous samples with low optical losses are determined.
      
The experimental temperature-time dependences of the stresses are compared with those calculated using the relaxation model of seal annealing.
      
Ceramic materials with a fine structure are synthesized from zirconia-based nanopowders through magnetic pulsed compaction and subsequent sintering under different temperature-time conditions.
      
Polycrystalline alloys in the Cu-In-Se ternary system of specified compositions are synthesized using an original silica apparatus designed by the authors and the temperature-time conditions also specially chosen for this synthesis.
      
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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。

Three most important mechanical properties of the piston ring. and its vital relations to the reciprocating engine are discussed in this work.

本文是第一机械工業部提出的题目“活塞环研究”的一部分。主要目的是測取环脹力的分布规律,並在理論上与試驗上尋找弹力降低与温度时間之間的关系。内容有以下三方面。(1)采用新方法测取脹力。过去方法(如文献①→⑦))都有缺点,且所用設备复雜而不經济。本文就我们已有的設备用精确度较高的电阻应变儀及光彈性方法進行测量。並测取环在汽缸中的真实应力,以資校核。(2)計算脹力与变形的关系,特別是高点环理論形状的計算。(3)計算並試驗弹力降低(松弛)与时間及溫度的关系。

The molecular weight distribution of pvc before and after thermal degradation in different medium (N_2 and air) with different temperature (150℃--190℃) and time of heating (within 1hr.) has been investigated. From the molecular weight distribution curves it is shown that during the process of thermal degradation of pvc, the macromolecules undergo both chain scission and recombination or crosslinking, and that in air chain scis-sion due to oxidation is predominant, while recombination becomes notable in nitrogen....

The molecular weight distribution of pvc before and after thermal degradation in different medium (N_2 and air) with different temperature (150℃--190℃) and time of heating (within 1hr.) has been investigated. From the molecular weight distribution curves it is shown that during the process of thermal degradation of pvc, the macromolecules undergo both chain scission and recombination or crosslinking, and that in air chain scis-sion due to oxidation is predominant, while recombination becomes notable in nitrogen. At higher temperature or longer time of heating, the amount of insoluble Product increases, i. e. crosslinking predominates either in air or in nitrogen.

本文用分子量分布的方法研究温度时间及介质对聚氯乙烯热老化过程的影响.结果说明在空气介质中,聚氯乙烯的热老化,在200℃以下,1小时以内时,在脱氯化氢的同时以氧化降解为主;随着时间温度的增加,交联出现,并逐渐占优势。在氮气介质中,聚氯乙烯的热老化,以脱氯化氢及交联占优势。

 
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