随机

Methods In this randomized, double-blind trial, we compared 4 years of therapy with either tiotropium or placebo in patients with COPD who were permitted to use all respiratory medications except inhaled anticholinergic drugs.

该试验为随机双盲试验，我们将COPD患者分为两组，一组为噻托溴铵组，另一组为安慰剂组，可以使用除吸入性抗胆碱能药物外的所有呼吸系统用药；然后比较这两组患者4年的疗效。

Objective: To investigate the effects of Anticoagulant therapy on hemorheology in patients with chronic obstructive pulmonary disease.

目的：探讨抗凝疗法改善慢性阻塞性肺疾病血液流变学的作用。方法：慢性阻塞性肺疾病病人110例随机分为治疗组58例，对照组52例。

Next the paper introduces the basic antilogy of random simulation, calculated steps and the selection of the type of bidding distribution.

接下来介绍了随机模拟报价的基本思想、计算步骤及报价分布类型的选取。

As treatment group A: Antiphlogistic agent and wound dressing changes were used with irradiation for 7 days but without irradiation on group B. Results 28 patients in group A were cured, 8 patients turned better, the total effective rate was 100%.

用随机方法将72例感染伤口和溃疡患者分为A、B两组，每组36例。A组为治疗组：在消炎、伤口换药基础上加用SL、红外线治疗仪照射伤口和溃疡7 d；B组为对照组：单纯消炎、伤口换药。

Results: After Antiphlogistic Liquid was used, the ambit of gangrene and the infection was decreased. At the same time the limp and swelling was relieved. What's more, accompanied with the VEGF and FⅧ related antigen expression increament, the collateral circulation was established.

造模成功后，将30只大白鼠随机分为空白对照组、生理盐水组和消炎液治疗组，每组10只，分别给予不同的处理，于第21天处死动物取标本进行病理检查、检测VEGF水平以及平均血管密度。

Patients could continue stable doses of oral prednisone or nonsteroidal anti-inflammatory drugs but had to stop taking disease-modifying antirheumatic drugs at least 28 days before randomization.

患者可以继续口服稳定剂量的强的松或类固醇类消炎药，但是必须至少在随机分组的28天前停止服用缓解疾病的抗风湿性药物。

On the basis of antituberculous chemotherapy, the treating group were treated by Lamivudine, and the control group were not treated by Lamivudine.

标准化疗的41例血清HBV-DNA阳性的肺结核并HBV感染患者，随机分成拉米夫定抗病毒治疗组21例，对照组20例。

It is said that during that time, the Emperor communicated with his beloved in a very special and unique way: both had decided that, on a certain time of the day, she would write a message on the sand and Antoninus would randomly take some stones with different words engraved on them.

人称，在这段时间里，皇帝和他的爱人用一种非常特殊和独特的方式保持沟通：双方共同决定，在一天的特定时间，她会将一个留言在沙里，而安托尼努斯。比乌斯会随机选一些上面刻不同的字石头。

Methods:① Using simple randomized principia, 1754 people of K-nationality and H-nationality aged ≥30 years from August 2004 to August 2005 in four town, Antu and Tumen of Yanbian were selected. The original area and national proportion of people brought into were close, and they knew and agreed the surveying matters.

①于2004年8月～2005年8月期间，在延边地区图们市和安图县4个镇内采取单纯随机原则抽取≥30岁朝鲜族和汉族人群1754人，纳入对象的来源地区民族比例相近，且对调查内容均知情同意。

You can choose any number of random characters between your password.

您可以选择任何数量的随机字符的密码。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。