无结果的

Background Vasopressin is an alternative to epinephrine for vasopressor therapy during cardiopulmonary resuscitation, but clinical experience with this treatment has been limited.

尚难确定。有研究发现，与室颤及无脉性电活动患者的研究结果不同，心脏停搏患者接受加压素治疗后入院存活率比接受肾上腺素治疗者高4JD％。

In this paper, the basic principle and the power factor of conventional SERDS are discussed. Aiming at its shortage of low power factor, boost chopper type SERDS is adopted. The equivalent circuit of the new scheme is built up, and then vector diagram is used to analyze the power factor of the system, also the harmonic distortion of the system is discussed. The experiment device is established base on a 380F/7.5 kW induction motor and a passive soft switching scheme is applied in order to improve the working condition of IGBT. At last, the experimental results are shown.

本文在分析传统串级调速原理的基础上，对系统的功率因数进行分析；针对传统串级调速系统功率因数低的缺点，采用升压斩波式串级调速系统加以改进；建立了升压斩波式串级调速系统的等效电路并采用向量图法对该系统的功率因数进行详细分析；分析了系统的谐波情况；构建了以7.5kW／380V电机为调速对象的升压斩波式串级调速系统实验装置，给出相应的实验结果；针对斩波器中IGBT处于硬开关状态的缺点，应用无源无损软开关技术予以改善，包括对软开关电路工作原理的分析、参数的设计并给出相应的实验结果。

Results There were no significant differences in BMD, initial strength and initial stiffness of vertebrae between the 2 groups.

结果 两组椎体的骨密度、原始强度和刚度之间差异无统计学意义(P.05)。

Following taking terfenadine 60mg bid for 3d the tests were repeated again. The results showed that the wheal reaction was inhibited by terfenadine, therefore, the end point dilutionchanged ...

结果表明，特非那丁明显抑制了风团反应，平均终点稀释度从10~(-5.6)移至10~(-3.9)(P.01)，而安慰剂组的风团大小及终点稀释度均无明显变化。

The results showed that except on fruit stalk abscission, the pollen xenia obviously appeared on fruit-setting rate, fruit mass, soluble solids content, transverse diameter, longitudinal diameter, fruit shape index, flesh firmness and fruit shape.

结果表明，猕猴桃在果实坐果率、单果质量、可溶性固形物含量、横径、纵径、果形指数、硬度、果实形状等方面表现明显的花粉直感效应，而在果柄离难易方面无花粉直感效应。

A reference which provides for this type of monitoring is the USP XXII discussion of the Interpretation of Sterility Test Results.

在USP XXII中讨论了解释无菌测试结果，可以作为这类监控类型的参考。

For the 12 yearold children, the prevalence, SiC index and DMF index showed markedly higher in industrial areas than in nonindustrial areas. Still more, the dental fluorosis index was near the epidemic.The oral plaque index demonstrated lower in the industrial areas than that in nonindustrial areas.The fluoride concentration in drinking water was under the national criterion in both areas(1.0 mg/L).

结果 工业区和对照区5岁组儿童龋病发病率差异无统计学意义，工业区12岁组儿童龋病发病率显著高于对照区同组水平，且氟牙症指数处于流行边缘；工业区2组儿童的菌斑指数显著低于对照区；工业区SiC高于对照区；两地水氟质量浓度均小于1.0 mg/L。

Results No abarticulation and joint infection was found in59cases.

结果 通过59例临床研究，无脱位并发症发生，收到了良好的临床效果。

Xylostella. The synergism ability with dipping method l4as more obvious than with contact and stomach method. Among the six adjuvants, copper abietate, 1427 and 412103 had 3.71, 2.82 and 2.72-fold synergism ratio, respectively.

结果表明：在400mg/L以下，各阳离子助剂单独使用对小菜蛾3龄幼虫均无生物活性，但可明显提高阿维菌素对小菜蛾的药效。

The NAT2 slow acetylator genotypes of IBD patients had experienced side effects more frequently than the rapid acetylator genotypes of IBD patients in SASP treatment, but the result is not statistically significance .

结果NAT2等位基因型和基因型频率在IBD患者和正常人群中的分布无没有显著性差异。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。