作用温度
- 网络operation temperature;Operative Temperature
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学生可接受的作用温度范围比ASHRAE标准规定的舒适区温度范围要宽得多,PMV指标与实际情况存在较大差别。
The operative temperature range is much wider than the comfort temperature zone in ASHRAE 55 standard , and the PMV index is not always consistent with the actual situation .
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与游离酶相比,其最适作用温度范围、pH值范围均比游离酶范围宽;
Compared with the free enzyme , it showed a wider range of reaction temperature and PH value .
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然而高温淀粉酶的最适作用温度和pH与中温糖化酶均不相同,需要反复调整pH值和温度。
Because both enzymes have different optimum temperature and pH , the pH values and temperatures must be adjusted repeatedly .
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进行了作用温度、pH值、金属离子对酶活力的影响试验,以及酶不同温度下的热稳定性的试验。
Effect of temperature , pH , metal ions on enzyme activity were tested . Enzyme stability in different temperature was tested .
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结果表明该酶的最适pH、最适作用温度及耐金属离子等特性非常适合作洗涤剂用酶。
The results show that the optimum pH , optimum temperature and metal resistant ion of the enzyme are extraordinarily fit for detergent .
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研究尿酸氧化酶的理化特性得知:该酶的最适反应pH为8.5,其最适作用温度为30℃;
Study on the characteristics showed that : the optimum pH for uricase reaction was 8.5 and the optimal temperature was 30 ° C.
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固定化酶的最适pH值为4.0,最适作用温度为60℃,固定化酶的酶活较高。
The optimum pH of the immobilized enzyme was 4.0 , and its optimum reaction temperature was 60 ℃, and there was high activity of immobilized enzyme .
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考察了温度和pH值对吸附效果的影响并确定了最佳的作用温度和pH值;研究了该吸附过程的动力学和热力学性质。
The effects of temperature and pH on the adsorption are studied and the best temperature and pH are determined . The kinetics and thermodynamic properties of adsorption process are studied .
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试验结果表明,酒用酸性蛋白酶的适宜作用温度为30~55℃,适宜作用pH为2.0~6.0,适合于在酒精生产中应用。
The result of experiment showed that the suitable action temperature is 30 ~ 55 ℃, and the suitable action pH is 2.0 ~ 6.0.The acid protease is suitable for alcohol production .
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本文研究脂肪酶催化反应性质:包括催化水解作用温度、pH适宜范围、酶的酸碱稳定性,酶催化水解作用酯键位置特异及逆向的催化作用等。
The catalytic characters of lipase were studied . They included the optimum pH and temperature , the stability of pH and heat , the specificity of ester bond position for hydrolyzation .
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对纯化后酶的性质进行了研究发现,其最适作用温度为45℃,最适作用pH为5.0,该酶具有很好的耐酸稳定性。
After studying the properties of the purified enzyme , one could find out that its optimum temperature and pH were 45 ℃ and 5.0 respectively . Besides , the enzyme has good acid-resistibility and acid-resistant stability .
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利用重叠延伸PCR法对扩展青霉碱性脂肪酶(PEL)基因作了体外定点突变,获得了最适作用温度有所提高的突变体。
In order to improve the optimum temperature of lipases , The Penicillum expansum lipase ( PEL ) gene was mutated by site-directed mutagenesis using overlap extension PCR technique .
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粗酶液的最适作用温度为40℃,最适pH值为10,在pH9~12内稳定,是一碱性蛋白酶。
The optimum pH and temperature for the protease activity production are pH 10.0 and 40 ℃ . The enzyme is alkaline protease . Some other properties of the strain and the protease were discussed in detail .
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在此基础上研究了粗酶液中纤维素酶对热和对酸碱度的稳定性,并确定了其最适的作用温度和作用pH值分别为60℃和pH5.0。
Then the cellulase stabilities in this crude enzymatic liquid were studied , including thermal stability and acid stability . The optimum temperature and pH for the hydrolysis were also determined as 60 ℃ and 5.0 respectively .
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对该酶进行部分酶学性质的研究表明该壳聚糖酶的最适作用温度和最适反应pH分别为50℃和pH5.6,酶活力在pH4.0-9.0范围内和50℃以下时相对稳定;
The optimal temperature and pH for hydrolysis of chitosan by the chitosanase were 50 and 5.6 , respectively ; The chitosanase activity was stable in the pH range of 4.0-9.0 and the temperature under 50 ;
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对粗酶的基本性质进行了研究,酶的最适作用温度和最适PH分别是30℃和7.5。在pH5~8范围内酶的稳定性较好,35℃以下比较稳定。
The enzymatic characterization of crude enzyme showed that the enzyme is stable between pH 5 and 8 , and the optimum pH is 7.5 . The optimum temperature is 30 ℃ and the enzyme is stable when the temperature is below 35 ℃ .
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结果表明,皱胃酶的最适作用温度为50℃,低于40℃酶稳定性较好,60℃处理10min,酶活完全丧失。
The results showed that the optimum clotting temperature of kid rennet was 50 ℃ . The milk-clotting activity of rennet was stable at less than 40 ℃, after 10 min treatment at 60 ℃, it would completely lose .
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最佳作用温度为35℃、35℃和45℃;
Optimum reaction temperatures were 35 ℃, 35 ℃ and 45 ℃;
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辐射采暖住宅建筑能耗与室内作用温度
Energy Consumption and Operating Temperature of Residential Building by Using Radiant Heating
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流体温度对除垢效果存在一个最佳作用温度。
The flow temperature has an optimal action temperature to the descaling effect . 5 .
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最适作用温度为50℃,酶在20℃~50℃下基本稳定,50℃处理60分钟仍然具有70%以上的酶活力。
After incubated for 60 minute at 50 ℃, it still had 70 % activity .
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滤纸酶的最适作用温度为50℃,在40℃时热稳定性较好;
The optimal temperature of filter paper enzyme was 50 C and it was stable under 40 C ;
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并研究了纳豆激酶的酶学性质,实验结果表明,纳豆激酶的最适作用温度为37℃,温度对酶稳定性影响显著;
The results showed that the optimum temperature was 37 ℃, and temperature had great effect on enzyme stability .
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最适作用温度70℃,较游离酶高30℃;
Optimum operating temperature was 70 ℃ for immobilized amylase which was 30 ℃ higher than that of free amylase .
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含相变及表面吸收系数随温度变化的激光热作用温度场半解析计算
The semi - analytical calculation of temperature field including the effects of phase transition and temperature - dependent absorptivity in laser heat treatment
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加里东运动期间的构造抬升和拆离是造成该区变质作用温度-压力差异的主要原因。
The tectonic uplift and sliding in Caledonian orogeny is the main cause of causing the metamorphic temperature and Pressure difference in this area .
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结果表明:对于不同的热等静压设备,由于设备精度和工作尺寸的原因,热等静压真实作用温度会有稍微的差异;
The results have indicated that there is little difference between the effective temperatures due to the precision and dimensions of different HIP equipment ;
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而在大豆色拉油及葵花籽色拉油中有不太显著抗氧化效果,同时,高D-α-生育酚浓度及作用温度也对油脂氧化稳定性产生影响。
Meanwhile the concentration of high D - α - tocopherol and its working temperature also had effects on the oxidative stability of oil .
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DM-54抗菌蛋白最适作用温度为28℃,蛋白活性随着温度增加而下降。
The results showed that the optimum temperature of the antifungal protein was 28 ℃ and the activity of antifungal protein increased with the temperature dropped .
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不同作用温度和恒温时间下混凝土的应力-应变曲线其上升段比较接近,可近似采用统一的方程形式进行描述。
The rising phase of stress-strain curves under different temperature and different temperature lasting time has a similar shape and can be described with a same equation .