半连续的

A sufficient and necessary condition about a linear weak* densely defined operator is the generator of a contraction weak continuous operator semigroup on X* is given.

叮叫且川人蛋A川＊三5，人＞o 第三章从另一角度出发，利用定义在X"上的耗散算子刻画弱"连续算子半群的生成元。

A copolymer emulsion used for air filter paper impregnation was studied, the emulsion was prepared by copolymerization of styrence/bulyl acryl ate and oxidized starch using sodium bisulphate/potassium per sulfate as initiator and sodium doddery sulfate as emulsifier.

摘 要：采用半连续乳液聚合的方法，以亚硫酸氢钠-过硫酸钾为引发剂，十二烷基硫酸钠为乳化剂，合成了一种以氧化淀粉、苯乙烯和丙烯酸丁酯为主要原料的空气滤清器滤纸浸渍乳液。

Anthony Lawson broke the previous record of 38 and a half continuous hours of singing, and he didn't stop there.

安东尼·罗森打破了前人连续唱歌38个半小时的纪录，创造了39小时2分钟的新世界纪录。

In balance the good pattern for the semi-continuos culture of Pavlova viridis in photobioreactor is obtained under the conditions of 30% renewal rate and 1d nenewal period.

综合考虑各指标，以30%的更新率和1d为更新周期是绿色巴夫藻光生物反应器半连续培养的一个较佳模式。

Based on the strain energy model presented by Sun-Zhang and the energy conversion and energy conservation,a new semicontinuum model is presented to calculate the nature frequency of a nanoscaled clamped-clamped silicon beam.

基于Sun-Zhang提出的应变能量计算模型，根据动势能转换与守恒原理，提出了用于分析硅纳米梁基波频率的半连续体模型。

Thus, in the chapter 2, we discuss the characteristics of this ω~*-continuous semigroup and its ω~*-generator.

因此，在本文第二章中我们讨论了此类弱星连续半群的弱星生成元的性质。

A comparative study of the single-digestion of kitchen waste, cattle manure and co-digestion of the two wastes was conducted in semi-continuous mode at the mesophilic temperature of 35℃.

在中温35℃下，通过半连续运行方式，对牛粪、厨余的单独消化以及厨余和牛粪的混合消化进行了对比研究。

The monophasic models advocate a unidirectional water flow, taking the whole symplast of root as a semi permeable membrane.

单相模型不强调水流方向，基本上只将根中的共质体作为一层连续的半透膜看待。

The paper studied the improved process for preparing phosphorus sulfochloride, where high-effective liquid catalyst was employed, and investigated the catalytic activity and service life of the novel catalyst. The optimum process conditions of batch and semi-continous operation were obtained by single factor experiments and modified simplex experiments.

本论文研究了采用高效液相催化剂制备三氯硫磷的新工艺，对催化剂寿命和性能进行了考察，利用单因子实验和改进单纯形实验找到了间歇操作和半连续操作的最佳工艺条件。

Preparation of o toluic acid from o xylene over cobalt naphthenate catalyst in the presence ofair in liquid phase oxidation is presented.

对采用空气作氧化剂，环烷酸钴作催化剂，由邻二甲苯液相氧化制备邻甲基苯甲酸的反应条件，在中型半连续鼓泡床反应器上，评价了反应温度、反应压力、空气流量以及反应时间对产物邻甲基苯甲酸单程质量收率的影响。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。