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It is also shown that the biquadratic coupling falls off much more rapidly withincreasing temperature than the bilinear one.

此外,我们的结果显示双二次耦合强度随温度升高的衰减强于双线性耦合强度随温度升高的衰减。

In the mosquito, some Tryp_SPc proteases make important contributions to the digestion of the blood meal.

该类基因的表达水平在吸血之后显著升高,并且扩张的基因相对于进化稳定的基因的表达量升高较高。

For the same variety, low temperature affected the bourgeon course of it seed and the seed emergence was stayed off, especially when the seed had low vigor.

结果表明,各样品的发芽势、发芽率和发芽指数和活力指数指标均在20~32.5℃范围内随着温度的升高升高,达到一定的温度后出现下降趋势。

The reaction mechanism between nickel ion and butynediols in the electroless plating process was analyzed. The results show that the change of BOZ concentration is a quasi first-order reaction, the change of the nickel ion concentration is related to the BOZ density, and this change belongs to a higher order reaction. The reaction rate equation was determined as dC/dt=-8.585×10^(-4)+1.188×10^(-4)t-4.64×10^(-6)t^2+5.8×10^(-8)t^3-2.3×10^(-11)t^4. The activation energy of this process decreases as temperature increases, and it decreases with the BOZ concentration as 64-423 mg/L, it increases with the BOZ concentration as 123~240 mg/L. The S value is positively correlated to temperature, when the temperature is 80℃, the reaction rate and S value are the largest; while when the temperature is above 80℃ and BOZ concentration is over 160 mg/L, S value and the reaction rate decrease gradually.

结果表明,镀液中BOZ浓度的变化是准一级反应,镍离子的浓度变化与BOZ的浓度有关,属多级反应,其反应速率方程为dC/dt=-8.585×10^(-4)+1.188×10^(-4)t-4.64×10^(-6)t^2+5.8×10^(-8)t^3-2.3×10^(-11)t^4,反应体系的活化能E随温度的升高而减少,随BOZ浓度的变化而变化:当BOZ浓度在64~123mg/L时,E线性减少;在123~240mg/L时E线性增加。S随温度的升高而增加,当温度达到80℃时S值最大,反应速度最大;当温度超过80℃,BOZ浓度大于160mg/L时,蝎的值逐渐减少,反应速度降低。

The breakdown potential was most negative at 25℃, an it increased with the increase of temperature.

溶液温度为25℃时点蚀电位最负,随着温度的升高,点蚀电位逐渐升高

But after suspension temperature raise to some extent, it causes a tendency ----- the gravitational settling speed appears to reduce, the suspension filtration rate reduces subsequently, and the filtration time lengthens, because the movement of the Brownian molecular intensifies.

随着温度的升高,磷酸料浆的黏度降低,料浆重力沉降速度增大,过滤时间缩短,但当温度升高到一定程度后,由于分子的布朗运动加剧,会使得重力沉降速度出现降低趋势,继而使其过滤时间变长。

It is found that the resistivity increases linearly with temperature rising in certain range of temperature above the melting point. During subsequent calefaction, the results obviously show that a turn point appears in the resistivity-temperature curve for every composition at certain temperature.

发现在液相线以上一定的温度范围内,其电阻率随温度的升高而线性增加,即其电阻率温度系数α基本保持不变;当温度超过某一临界温度时,α随温度的升高出现异常变化。

The Vc content of carambola was first increased then decreased, then increased again and afterward decreased during the preservation process.

杨桃在存放过程中Vc含量呈先升高后降低,然后再升高、再降低的变化趋势。

The change of cardiac muscle enzymogram may be help to the toxicosis's clinic classification and treatment.

CK的升高可能与骨骼肌痉挛有关,缺氧可能是CK-MB升高的主要因素,根据心肌酶谱改变可判断临床分度,并对治疗提供参考。

UV-B-induced damage in such leaves could be reduced with 0.5 mmol.L-1 NaHSO3 treatment; brown spots on the leaf surface were reduced in number, the degree of leaf wilt was reduced, degradation of chlorophyll and carotinoid was reduced and flavonoid level was increased. With the NaHSO3 treatment, the content of H2O2 in leaves of Phaseolus vulgaris under enhanc ed UV-B radiation was significantly lower than in controls, and the activities of antioxidant enzymes were higher with treatment than in controls.

结果表明:与未处理对照相比较,用0.5 mmol.L-1 NaHSO3处理的离体红芸豆叶片表面褐色斑减少、边缘蜷曲及萎蔫程度降低;且能延缓叶片中叶绿素和类胡萝卜素含量的降低;使类黄酮含量升高;叶片中过氧化物酶和抗坏血酸过氧化物酶活性升高,过氧化氢(H2O2)含量降低。

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