常规

The article includes three parts. The first, a steroselective and regioselective synthesis of digitoxin with glycosyl ortho-alkynylbenzoates as doners. The second, synthesis of different length chain of L-fucose with a SO3Na group in the position of C-2 hydroxy.

本文工作主要包括三部分内容，分别为采用全新发展的一种邻炔基苯甲酸酯的糖基供体进行地高辛的全合成并与常规的Schimidt供体及三氟亚胺酯供体进行结果比较；合成不同长度的2位硫酸化的岩藻糖糖链；对现有的合成伏格列波糖的一条合成路线进行工艺优化。

Wing and pylon form a structure which is the major lateral scattering sources of an ordinary aircraft because a dihedral angle of ninety degrees is formed.

常规飞机的机翼与外挂架构成90°的二面角，成为飞机侧向的重要散射源。

To correct this problem of shear test, we improved the equipment of lab large-scale shear test and developed an especially new one which overcome the disadvantages of normal equipment, make the result more accuracy and can do more analyze about the shear surface, dilatability of the mixture only through shear test.

本研究对室内大型直剪试验进行了改进，研发了新型的土石混合料室内大型直剪试验系统，克服了常规直剪仪存在的主要问题，还可以进行剪胀率、剪切面起伏特征、剪切面分形等研究，使得试验结果更精确、可靠，试验分析更完善。

Besides X|ray,B|us and CT should be main preoperative diagnostic methods. Body posture during induction anesthesia and operation and surgical styles can improve surgical safety,additionally dilatant pneumoedema should be prevented and treated.

胸部X线，B超及CT检查应作为巨大实质性纵隔肿瘤常规检查手段；麻醉时体位及手术方式合理选择可提高手术安全性，并注意防治复张性肺水肿。

Methods The presence and localization of the dilatant nasal mucosa capillaries in proband was determined by endoscope of nasal cavity; clinical diagnosis of HHT was established by obtaining the patient's bleeding history, family history, and observation of bleeding sites.

完善血常规、肝肾功能和胸片、腹部B超、血氧饱和度等检查；进行出凝血时间、血块回缩率、血小板聚集功能等检查；对与先证者有血缘关系的家系成员进行胸片、腹部B超、血氧饱和度检查，以排除和诊断HHT，绘制HHT遗传系谱图。

The routine preoperative CT examination, proper anesthesia and correct surgical route were equally important for giant tumor of mediastinum. Its postoperative management includes the prevention of sunken trachea and dilatant pulmonary edema.

术前应常规行CT检查，选择合适的麻醉及手术径路，术中可视情况分块切除或整块切除，术后注意防治气管软化和复张性肺水肿。

Up.Conclusion The routine preoperative CT examination, proper anesthesia and correct surgical route were equally important for giant tumor of mediastinum. Its postoperative management includes the prevention of sunken trachea and dilatant pulmonary edema.

术前应常规行CT检查，选择合适的麻醉及手术径路，术中可视情况分块切除或整块切除，术后注意防治气管软化和复张性肺水肿。

Objective To evaluate the effect of trimetazidine on the patients with dilated cardiomyopathy.

目的 观察在常规治疗的基础上加用曲美他嗪对改善原发性扩张性心肌病心功能的影响和安全性。

However , routine checks for lumps , dimpling and other problems that can signal cancer may make sense for women who have known cancer risks , the society concluded .

然而，学会也总结道：对肿块，凹陷以及其他问题的常规检查可以提示肿瘤的形成，这对那些已经了解到肿瘤危险的妇女是有意义的。

Furthermore, a size reduction rate of 50% compared with a general dipole antenna is realized.

此外，天线高度和常规偶极子天线相比减小了约50%。

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