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The negative angle of refraction behavior associated with the negative index of refraction exhibited by DNG metamaterials is demonstrated.

并利用点源模拟出平面双负材料具有突破Rayleigh衍射极限使倏逝波成像的能力即：完美透镜现象。

In addition, method of the measurement of the orbital angular momentum is demonstrated.

另外也介绍了到目前为止测量光束轨道角动量的方法。

Numerical and experimental results of the new type of annular branch hybrid demonstrated the accuracy and efficiency of the proposed method.

通过新型环形分支电桥的数值结果与实测结果验证了本文方法的准确性和有效性。

In the survival group, patients' blood dynamics were stable gradually, DO2 and VO2 increased obviously, the blood lactic acid level was low, after complex therapy the patients were survival, however, in the death group the data demonstrated that patients' blood dynamics were unstable, the DO2 and VO2 was difficult to increase, and the blood lactic acid kept at high level, it showed that the tissues were seriously inthe condition of ischemia and anoxemia, the cell function failure was irreversible, although many kinds of complex therapy were carried on, the patient still died finally.

生存组中，患者血液动力学逐渐平稳，DO2和VO2均明显升高，血乳酸水平较低，经综合治疗后患者得于存活，而死亡组数据显示，患者血液动力学不稳定，DO2和VO2的提高非常困难，且血乳酸水平持续较高，提示组织缺血缺氧严重，细胞功能衰竭不可逆，虽采取多种措施进行综合治疗，但患者最终仍然死亡。

It has been demonstrated that the ischemia and the anoxia are the chief factors to human health.

有调查显示，缺血/缺氧脑损伤已成为人类致残和死亡的主要原因之一。

The mechanical property testing shows that the seamless PLLA tubes perform excellent radial strength,which indicates that the mechanical properties of biodegradable stents made of these tubes was supposed to be excellent.PLLA and its composites were first used in preparing seamless tubes as antecedency of laser-cut biodegradable coronary stents in china.Finite element analyses of the biodegradable coronary stent model indicate the explorative design basically meets the requirement of reasonable and applicable stents.There is not such kind of research yet in domestic.Optimum laser-cuttting parameters of CO2 laser was cauculated based on experiential formula,within it,biodegradable coronary stents,especially those with complex structure would be manufacutured from seamless tubes quickly by laser microprocessing with high consistency to the design model.The processing efficiency of the CO2 laser demonstrated in experiential formula by us will play an important guiding role in manufacturing biodegradable stents by laser-processing.Our stents that ascribed to laser-cutted,slotted tube stent are proved to be biodegradable, self-expandable and good biocompatible,basically reach the international level on the aspest of manufacturing procedures and design.

研究结果表明：壳聚糖改性材料综合性能优于纯PLLA，更适合于作为可降解冠脉支架的原材料；自主设计的探索性自膨胀管状闭环型可降解冠脉支架的性能符合冠脉设计要求，设计、验证生物可降解冠脉支架模型的研究在国内还未见报道；制备的改性PLLA无缝管的力学性能优越，可通过激光切割获得冠脉支架，这是国内首次采用聚乳酸材料来制备通过激光加工出可降解冠脉支架的无缝管；二氧化碳激光器加工精度能达到加工要求，加工出来的血管支架名义设计与实测值误差小，实现了冠脉支架、尤其是带有复杂外观设计冠脉支架的快速化、规范化加工，对二氧化碳激光器加工聚乳酸材料的效果研究在国内外属于首创，获得的经验公式对日后的深入研究有重要的指导意义；制备的支架为激光切割管状闭环型冠脉支架，支架外观设计、支架加工手段、支架的性能都基本接近国际水平，支架样品符合设计的理念，可以实现自膨胀功能。

Lately, we have also demonstrated that the Cry toxins, especially Cry5B in this study, have nematocidal activity and can be used as an anthelmintic drug for animal and human parasite.

最近我们也证实某些结晶蛋白；例如本研究之Cry5B，亦具有毒杀线虫的能力，而且极具有可能作为新一类动物及人类线虫感染疾病之驱虫剂。

Toosendanin (〓, FW 574, TSN), a triterpenoid derivative, is an active ingredient extracted from the bark of Melia toosendan Seib et Zucc which is used in Chinese traditional medicine as an anthelmintic vermifuge against ascarids. It was demonstrated to be a selective presynaptic blocker in neuromuscular junction and central synapses.

从驱蛔中药楝属植物根皮中提取的三萜化合物川楝素（toosendanin，〓，FW 574，TSN），是一种选择性影响神经递质释放，阻遏神经肌肉和中枢突触传递。。。

It was demonstrated that both anthracene and pyrene, especially the former, are bimodally distributed.

结果表明，两者都呈双峰分布，其中蒽的双峰特征尤为典型。

Outside a small number of anti-abortion protesters demonstrated, but they were strongly outnumbered by those who supported the controversial doctor.

教堂外有少量反对堕胎的抗议者游行，但是数量远远比不上这位有争议的医生的支持者。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。