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The results show that a little amount of heteropolymolybdovanadophosphate can remarkably speed the degradation, the best conditions of the oxidative degradation of chitosan with hydrogen peroxide catalized by heteropolymolybdovanadophosphate in homogeneous condition are as follows: the ratio of catalyst and chitosan is 1 to 10, concentration of hydrogen peroxide is 0.15%, the temperature is 80℃, reaction time is 2h. 0.2g chitosan was degraded under the best condition and the molecular weight by viscometry was degraded from 1460000 to 7812. then water-soluble chitosan was obtained by this method; The heterogeneous method is a high efficient way, the best condition of this method are as follows: the ratio of catalyst and chitosan is 2 to 100, the volume of 30% hydrogen peroxide is about 3mL, the temperature is 90℃, reaction time is 5min~30min.

研究结果表明,适量磷钼钒的存在可显著加速壳聚糖的降解,磷钼钒催化过氧化氢均相氧化降解壳聚糖的适宜反应条件是:催化剂与壳聚糖的质量比为1∶10、过氧化氢百分浓度为0.15%、反应温度为80℃、反应时间为2h,在此条件下对0.2g溶解在100 mL 0.5%稀醋酸中的壳聚糖进行降解,可使壳聚糖的粘均分子量由原来的146万下降到七千多(7812),成为水溶性低分子量壳聚糖,从而达到应用的要求;在异相条件下以磷钼钒为催化剂催化过氧化氢氧化降解壳聚糖是一种高效快速的方法,此法降解壳聚糖的最佳反应条件是:催化剂与壳聚糖的质量比为2∶100;30%过氧化氢的用量为3mL左右;反应温度为90℃、反应时间为5min~30min。

And by using the initial conditions as well as the end conditions, the dynamic problem is then transferred to a second kind Volterra integral equation about the function of the axial strain with respect to time which can also be solved successfully by the interpolation method. For piezoelectric and pyroelectric hollow cylinders, by following the solving procedure for elastic hollow cylinder and by using the electric boundary conditions, the dynamic problems are transferred to two Volterra integral equations about two functions of time, one is axial strain and the other is related to electric displacement, which can also be solved efficiently and quickly by employing interpolation method. The elastodynamic solutions of hollow spheres, which are made of elastic, piezoelectric and pyroelectric materials, respectively, for spherically symmetric problems are also obtained.

对于弹性空心圆柱,通过引入一特定函数将非齐次边界条件化为齐次边界条件,然后利用正交展开技术,导出关于时间函数的方程,再结合初始条件和端部边界条件,将原问题转化为关于一个时间函数的第二类Volterra积分方程,运用插值法可给出此积分方程的解;对于压电和热释电空心圆柱,利用求解弹性空心圆柱相似的方法,再结合电学边界条件,原问题转化为关于两个时间函数(轴向应变和与电位移有关的函数)的第二类Volterra积分方程组,同样可用插值法来构造相应的递推公式高效地求解此积分方程组。

The master must be a scholar in all religious obligations, such as the conditions of prayers, the conditions of fasting and the conditions of zakat. He must be knowledgeable in the Jurisprudence of Islam and all necessary matters of Islamic Shari'ah.

导师必须是一个所有宗教功课方面的学者,比如关于祈祷的条件,斋戒的条件和天课的条件,他必须精通伊斯兰教法和所有伊斯兰沙利亚( Shari'ah 律法)涉及的问题,在认主学方面上他必须是一个遵行圣行正道和其它所有信仰条件的学者。

Results:flutamide degraded very easily under the alkalic condition, partly degraded under the acid and oxidation conditions, and was stable comparatively under the heat and light conditions.

结果:氟他胺在碱性条件下非常容易发生降解,在氧化条件和酸性条件下也会发生降解,在高温和光照条件下相对比较稳定。

Hypothetical conditions, marked in English by the backshift of verbs , receive regular treatmentin English grammar.

任何一部英语语法里都有专门的章节阐述假设条件句,因为假设条件句要求动词时态后移然而在汉语语法书里,或者根本不提假设条件这一问题,或者仅仅举例说明有的条件句表达的是与已知事实相反的&纯假设&。

The accumulated contributions of main effect QTLs for AC and PC were 35.34%, 37.33% under normal conditions and 53.40%, 58.10% under water stress condition, and the accumulated contribution of digenic epistasis for AC and PC were 66.74%, 57.49% under normal conditions and 48.65%, 36.59% under water stress conditions, respectively.

主效QTL对直链淀粉和蛋白质含量的联合贡献率在非胁迫条件下为35.34%和37.33%,在胁迫条件下分别为53.40%和58.10%;互作位点对直链淀粉和蛋白质含量的联合贡献率在正常水分条件下分别为66.74%和57.49%,在胁迫条件下分别为48.65%和36.59%。

The conjugate products were radiolabeled in various buffer over a range of concentrations and pH, as well as stannouschloride dihydrate on Re labeling.

通过对不同标记条件下结果的分析,确定上述四种核素的最佳标记条件/'Y的标记完全按照&'In的标记条件进行,'%Re的标记则在参考的&v的标记条件下,进行了较大的忧化。

Based on the energy budget equation, the optimum feeding rate for gibel carp was C〓=G〓+F〓+U〓+R〓(G〓, maximum growth energy, KJ/d; F〓, fecal energy at the optimum feeding rate, KJ/d; U〓, excretion energy at the optimum feeding rate, KJ/d; R〓, metabolism energy at the optimum feeding rate), and F〓=0.077C〓, U〓=0.052C〓 and R〓=k〓 and k is adjusted coefficient.

根据能量收支方程,异育银鲫的最适摄食率可表述为:C〓=G〓+F〓+U〓+R〓(G〓:最大摄食率条件下的生长能,KJ/d;F〓:最适摄食率条件下的排粪能,KJ/d;U〓:最适摄食率条件下的排泄能,KJ/d;R〓:最适摄食率条件下的代谢能,KJ/d),其中F〓=0.077C〓,U〓=0.052C〓,R〓=k*,k为校正系数。

In the upper bound approach, the velocity of each node are seen as unknown quantity, with the conditions of flow rule, velocity discontinuity, velocity boundary, the energy work equation considered, then the strength safety coefficient of slope, and the corresponding kinematically admissible velocity field are obtained.

在上限法中,以结点速度为未知量,根据单元塑性流动约束条件、速度不连续约束条件、速度边界约束条件,以及由外功功率与内功功率相等条件得到的目标函数,求得了强度储备系数的上限值及相应的机动容许位移场。

This paper confirmed that the microcapsule from sodium alginate and which is used in carbonless copy paper by single cogulation process owns higher embedding ratio and better nonpermeability stableness and strength.

本文对以海藻酸钠为壁材、以结晶紫内酯的邻苯二甲酸二丁酯溶液为芯材通过单凝聚法制备无碳复写纸用微囊的工艺条件进行了研究,制定了工艺路线和流程,确定了最佳的乳化条件、絮凝条件、固化条件以及壁材浓度、芯壁比,并对成品微囊进行了应用性的对比分析。

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