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The changes of soluble protein composition during the pre-stage, early stage and advanced stage of cantharidin synthesis in M. calida Palla were analysed by SDS-PAGE and two-dimensional electrophoresis.

本研究采用 SDS-PAGE 、双向电泳技术，分析了苹斑芫菁 Mylabris calida Palla 在斑蝥素合成前期、大量合成早期和末期的蛋白质组成的变化。

All the patients were divided into groups according to the results of the perimetry testing: early stage group, 12 patients (21 eyes), advanced stage group, 13 patients (17 eyes), and late stage group, 16 patients (24 eyes).

采用Humphrey C30-2程序检查患者的视野，根据视野检查结果将青光眼患者分为早期组12例（21眼），进展期组13例（17眼）和晚期组16例（24眼）。

The results indicate that the vertical distribution of solar radiation shows S-curve at the early stage and the late stage of Phragmites communis growth,while it is exponential curve at the peak stage.

结果表明：芦苇群落内太阳辐射的垂直分布在生长前期(5月)和后期(9月)呈S型曲线，生长盛期(6月和7月)呈指数曲线变化。

The results indicated that the typical apoptosis was induced by PRRSV in lungs and uteri. The ultrastructural changes showed different characterizations at different stages of the infection. During the early stage from 8th h to day 3 postinfection,the apoptosis cells shrank,the cytoplasm concentrated,the chromatin condensed,the kernel disaggregated and the endoplasmic reticulum dilated. During the middle stage from day 5 to day 9 postinfection,the apoptosis cells evidently shrank,the cell membranes protu berated,the plastosome manifolded,and apoptosis bodies were found. During the last stage from day 10 upwards postinfection,the apoptosis bodies degenerated and disappeared,and no inflammation occurred. Few apoptosis cells were necrotic.

结果表明，PRRSV可诱导宿主肺和子宫发生典型的细胞凋亡，表现为细胞的超微形态结构随着病毒感染进程出现不同的特征性变化，早期（感染后第8 h至第3 d）凋亡细胞多表现为细胞体积缩小，细胞质密度增强，染色质浓缩，核仁解体，内质网扩张；中期（感染后第5 d至第9 d）凋亡细胞体积显著缩小，细胞膜突起，线粒体增多，有凋亡小体形成；晚期（感染后第10 d以后）凋亡细胞形态多表现为凋亡小体降解和消失，少数凋亡细胞在凋亡晚期表现为坏死细胞。

Among the three stages of exercise, the results reveal that 59.7% of subjects were in the preparation stage, 27.8% were in the precontemplation/ contemplation stage, and 12.5% were in the action/ maintenance stage.

结果发现：中年停经妇女的运动阶段分布情形以准备期最多，占59.7%，行动／维持期占27.8%，无意图／意图期占12.5%。

According to high-jump courses features by applying some psychological, the author sets forth some approaches of psychological training on highjump athletes during the following stages: elementary training stage, precontest training stage,contest and postcontest adjustment stage,which are for the reference of coaches and high-jump athletes during their training and contests.

根据跳高项目的特点，运用心理学的原理，对跳高运动员基础训练阶段，赛前训练阶段，赛中期间及赛后调整阶段的心理训练方法进行阐述，以供跳高运动员和教练员在训练和比赛中参考。

A single-stage and high power pulse tube cooler working between 20~40 K has been designed and constructed in order to precool the second stage of a 4 K separate two-stage pulse tube cooler.

为了满足液氦温区分离型二级脉管制冷机第二级预冷的需要，设计制作了1台20～40K温区单级大功率脉管制冷机。

Firstly, the basic concept of software/hardware co-design and the present research situation worldwide is introduced, the techniques are also discussed separately in the thesis, which is in the system description stage, system architecture design stage, hardware/software design and implementation stage. Secondly, combined with three representative methods of hardware/software co-design systems: POLIS、VULCAN and CORSAIR, the main steps of co-design are studied and analyzed including system description, hardware/software partitioning and hardware/software implementation-synthesis, and some new ideas are given here. Thirdly, UML and modeling technology of embedded systems using UML are described clearly, a handheld terminals is a good example for this, furthermore, the algorithm of how to convert the UML diagram into SystemC codes is mainly concerned on in this thesis. Fourthly, the basic concept of SystemC is described, and the SystemC Modeling platform and simulation mechanism are analyzed, software/hardware co-design methods using SystemC are discussed. Finally, by applying co-design ideas using UML and SystemC, software/hardware co-design system using UML and SystemC is preparatorily implemented, which is to establish a development environment for designing embedded system.

本文首先介绍了软硬件协同设计的基本概念和国内外研究现状，并分别论述了系统描述阶段的技术、系统结构设计阶段的技术、软硬件设计与实现阶段的技术；接着结合POLIS、VULCAN和CORSAIR 三种有代表性的软硬件协同设计方法，对系统描述、软硬件划分、软硬件实现综合等几个主要设计步骤进行了研究与分析，并提出了新的方法和思路；然后详细介绍了UML及基于UML的嵌入式系统建模技术，并以嵌入式手持终端系统来举例说明，重点研究将UML的视图转换成SystemC代码的算法；其次介绍了SystemC的基本概念，分析了SystemC 的建模平台和仿真机制，并对基于SystemC 的软硬件协同设计方法进行探讨；最后应用基于UML和SystemC的软硬件协同设计的设计思路，初步实现基于UML和SystemC的软硬件协同设计的设计系统，目的是建立一个用于嵌入式系统设计的开发环境。

At 25℃, eggs hatched after 3.69±0.25 days, the nymph had three instars, the 1st instar stage was 3～5 days, 2nd instar 3～5days, and 3rd instar 4～5 days; The prepupal stage lasted 8～14 days and the pupal stage lasted 10～15 days at 25℃.

2黑广肩步甲成虫人工饲料研究分别研制了9种成虫人工饲料，以此饲喂黑广肩步甲成虫，结果表明，饲料Ⅲ是室内饲养黑广肩步甲成虫的最佳饲料。

Then one ovule degenerated, the other which contained zygote kept on developing. Embryo undergone proembryo and globular embyo stage in early part of June. Heart stage embryo developed into torpedo stage, and meanwhile nuclear endosperm formed cellwalls in later June. Birch Fruit matured in July..

此后，一个胚珠退化，另一个含有受精卵的胚珠继续发育。6月上旬，白桦胚正经历原胚球形胚阶段。6月下旬核型胚乳细胞化，心形胚发育为鱼雷胚。7月，白桦果实成熟。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐