为探索...

Objective To find out the appropriate bedbound period after Coronary Arteriography in order to reduce the complications and uncomfort caused by prolonged Bedbound period and affected limb immobilization.

目的为减少冠状动脉造影术后患者因卧床和患肢制动时间长而引起的各种不适，探索冠状动脉造影术后卧床和患肢制动的最佳时间。

The complicated oil field of karst cave and crack are controlled by limestone reservoir and the crevices-cave system, which have many characteristics such as vivid and great in style, irregular distribution, the limestone cave in crack and unhomogeneity of rock etc.

笔者力求充分利用各种开发生产的动态信息，探索研究和评价储层特征的方法及思路，主要研究成果如下：(1)结合塔河油田动静态分析和实践，将缝洞型碳酸盐岩油藏划分为三类组合模型：缝-洞系统、双裂缝系统和缝孔系统。

This provides us an unparallel way of delivering that promise through research, brainstorming, planning and exploration of latest digital media technology.

这样使得我们通过调研、头脑风暴、规划和新数字媒体技术的探索，为客户提供无可比拟的传递品牌的方法。

Braking mechanism is followed, in this part, the course of braking and the braking force are our subject investigated. At the same time, we also discuss some familiar problems. Finally, there are only abb joining mechanism and unreel and tension control mechanism. Because there are not complica

论文的目的在于探索重型宽幅织机引纬机构与梭箱部分的设计方案，在机、电、液、气相结合的情况下，从理论上分析引纬机构与梭箱的结构以及运动学和动力学－方面的特征，希望为同类机构的设计和研究提供理论依据。

So, an important task which need to solve urgently is to construct a new mode of continuing education and studying for life, which is untraditional and not limited to the region and time.

建构主义强调的教学环境是以学习者为中心，强调学习者对知识的主动探索、主动发现和对所学知识意义的主动建构的协作化的教学环境。

The researches about support structures of underground support are mostly in the exploring phase as wall rock often shows discontinuous and ununiformity character.

由于岩石类介质的显著特点为在一定尺度上呈现非连续性和不均匀性，因此，在以上特性下的洞室支护结构研究任然处于探索阶段。

At last,this article demonstrate beicun's vanward exploration from the beginning to the last.

以此两方面为重点论证了北村一直以来孜孜不倦的先锋创作探索历程。

In this study, human tongue cancer Tca8113 cells and human umbilical venular endothelial cell ECV304 are treated with CPT and the cell proliferation and apoptosis are detected in order to investigate the effect of CPT on Tca8113 and the mechanism of antiangiogenesis.

本研究以喜树碱作用于舌鳞癌细胞(Tca8113)及人脐静脉血管内皮细胞(ECV304)，检测细胞增殖及凋亡状况，以研究喜树碱对舌鳞癌细胞及血管内皮细胞的生长抑制和凋亡诱导作用，探讨喜树碱抗鳞癌的作用及可能机理，并初步探索其抗血管生成机制，为该药治疗皮肤肿瘤和银屑病奠定实验基础。

At last,a convergent and general protocol to marine natural product,as demonstrated by the enantioselective total synthesis of malyngamides O,P,Q,R, 5"-epi-Q and 5"-epi-R bearing terminal vinylic chloride structure,was developed in detail.E,(7S)-7-methoxytetradec-4-enoic acid was prepared using the above described Johnson-Clainsen rearrangement,the terminal vinyl chloride was constructed using Wittig reaction as key step,the pyrrolidone derivative was constructed using L-serine as natural chiral pool.Starting from the synthesis of malyngamides O and P to explore the general route,an aldol reaction of methyl acetate with the vinyl chloride part in the presence of LDA gave the skeleton of amine portion,followed by amidation with the fatty acid finished the synthesis of malyngamide P.

先以malyngamides O和P为试点探索通用合成路线，将乙酸甲酯和烯氯部分在LDA存在下进行aldol反应得到氨部分的骨架，再将手性不饱和脂肪酸和氨部分进行酰胺化反应完成了malyngamide P的合成，将P在碱性条件下进行烯醇甲基化反应完成了malyngamide O的全合成。

The best condition for the preparation of whiskers is as follows: hydrothermal temperature of 160℃~200℃, the pressure of 304.0～890.6kPa, the whisking speed of 800r/min,and reaction time of 4 hours.

实验探索合成碱式硫酸镁晶须的最佳条件为：温度160℃～200℃，压力304.0～890.6kPa，搅拌速度800r／min，反应时间4小时。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失