半

The final acidity of yogurt ferment by the two bacteria was 57.65 T and 54.43 T respectively.Because the -galactosidase produce by starter is a endoenzyme it must abstract after the cell wall broken. This experiment compare the different method of cell wall broken and research on the influence of temperature and time on condition of cell wall broken.

由于发酵剂菌种产生的糖代谢酶，β-半乳糖苷酶是胞内酶，通过对渗透压破壁和不同浓度的氯仿和甲苯两种有机溶剂破壁方法的比较，以及破壁所需温度和时间的研究，确定采用5％氯仿，45℃保温8～12h对菌体进行破壁，β-半乳糖苷酶的活力采用AOAC提出的标准进行测定。

Finally, sufficient and necessary conditions for endomorphism rings of some special modules to be semi-π-regular are given.

最后，我们对半π正则环作了一定的研究，给出了一个直投射模的自同态环是半π正则环的充要条件。

Methods 1: 8 New Zealand long-eared rabbits, equability quantity of male and female supplied by Xinjiang Medical University, compare by itself according to different time 1 the group experiment ago (n=8); 2 experimental group : the experimental group inject oleic acid from parotid vein, and observe the change of CSEP by following indexes: latency, p-p interphase, positive wave values, negative wave values, P-P values at 30, 60, 90, 120min.

方法一：取8只新西兰大耳白兔，雌雄各半，体重(2.5±0.5)kg(由新疆医科大学动物中心提供)。采用前后对照设组OA从耳缘静脉缓慢(2min内)注入0.1ml／kg体重：分别以实验前，注射OA30、60、90、120min为时限动态监测CSEP的潜伏期、峰峰时程、正波值、负波值和峰峰值。方法二：25只新西兰大耳白兔，雌雄各半，体重(2.5±0.5)kg(由新疆医科大学动物中心提供)。

In the third chapter, by the analysis of the thermal lens effect of laser crystal, single-end-pumped laser crystal is analyzed and a thermal model suited for particular operating circumstance is founded. By the use of equation of heat conduction and with the boundary conditions, the half analytic solution of thermal field in the laser crystal is obtained through half-analytic thermal analysis, and a practical example is calculated together with analysis of the effect of some parameters on the distribution of thermal field.

第三章从分析激光晶体的热透镜效应出发，对单端泵浦激光晶体进行了分析，建立了符合工作条件下激光系统的热温场模型，通过热传导方程及晶体的边界条件，利用半解析热分析方法得出了晶体内部温度场的半解析解，并对实例进行了计算，分析了各种参量对温度场分布的影响。

In order to study the nonuniform temperature rise and thermal effect in the Yb:YAG crystal,based on the theory of semi-analytical thermal analysis and working characteristic analysis of Yb:YAG microchip with super-Gaussian beam end-pumping and back-face cooling,a new solution of heat conduction equation was introduced and the general expressions of temperature field,thermal distortion field and additional optical path differences of Yb:YAG microchip were obtained respectively.

为了研究抽运光在Yb：YAG晶体内产生的非均匀性温升以及引起的热效应问题，以半解析热分析理论为基础，结合超高斯光束端面抽运、背向冷却Yb：YAG微片工作特点分析，采用热传导方程一种新的求解方法，得出了Yb：YAG微片内部温度场、热形变场、附加光程差的半解析计算表达式。

Li 101 proved the nonlinear ergodic theorem for semitopological semigroups of Lipschitzian mappings in the uniformly convex Banach space with the Frechet differentiable norm without using the concept of invariant mean and submean. In Chapter 1, we extend the results in [23 [24] to the case of almost-orbit.

Li［10］避开了不变平均及不变子平均的概念，在具Frechet可微范数的一致凸Banach空间中，给出了一般拓扑半群上渐近非扩张半群的遍历压缩定理。

Moreover, when X is a Hilbert space, Miaxoguchi and Takahashi provided the ergodic retraction theorem for general semigroups of asymptotically nonexpansive mapping by using the concept of invariant submean.

进一步，当X是Hilbert空间时，Miaxoguchi及Takahashi引入了不变子平均的概念，在一般拓扑半群上给出了渐近非扩张半群的遍历压缩定理。

Secondly, the analytic expressions of the error band boundary line for the s model of line segment are deduced, the parameter equations of the error band boundary are gotten.

考虑实用性和合理性，将线元看成离散点的集合，将线的不确定性看成点的不确定性的聚合体，将线元的位置不确定性模型看成以各点误差椭圆的长半轴E为半径的误差圆的聚合体，建立了以线元上任意点处的误差椭圆的长半轴E为带宽的线元不确定性ε模型。

Supported by the ESCAP pilot project on integrated land and water resources management in arid areas using remote sensing and GIS (ESCAP 5-4-401), the land and water resources optimization model was developed and an integrated land and water resources management system based on remote sensing and GIS was designed and developed in this paper.

本文结合联合国亚太经社理事会示范项目"利用遥感与GIS技术进行干旱区水土资源综合管理"（Pilot project on integrated land and water resources management in arid areas using remote sensing and GIS，ESCAP 5-4-401），针对我国广大的干旱半干旱区水土资源综合管理的实际需要，详细讨论了基于遥感与GIS的干旱半干旱地区水土资源综合管理系统的设计思想、目标、结构与功能及系统开发中的关键技术。

In recent progress in chemical modification of hemicelluloses has been reviewed in this article,including esterification and etherification.

对近十年半纤维素的化学改性如：醚化改性、酯化改性进行了综述，主要从多相反应和均相反应两个方面进行了归纳说明，最后提出了半纤维素改性的前景。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！