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But they did not get the joke yet. It takes some time. Millisecond, microsecond, but still, it takes some time.

见到听众对自己的笑话毫无反应,没有人愿意继续傻站着,因此,我们往往会选择继续演讲。

There were resembled mechanizm of the moth selecting and avoiding some monochromatic light or intensity level under two lights.

4棉铃虫蛾的趋光、避光反应行为具有相似的波长及光强度选择机制。

Methods: One hundred and twenty-six patients with UAP were randomly divided into two groups. The control group was treated with Xueshuantong injection, and the treatment group was treated with propylgallate. The clinical therapeutic effects were observed and the blood parameters such as C reactive protein, interleukin-6(IL-6) and tumor necrosis factor-α were assayed by rate nephelometry and enzyme linked immunoadsorbent assay.

选择126临床确诊为UAP的患者,随机分为血栓通注射液对照组和注射用棓丙酯治疗组,进行临床疗效观察,并分别采用速率散射比浊法及酶联免疫双抗夹心法检测C反应蛋白、白细胞介素-6(IL-6)及肿瘤坏死因子-α水平,观察其治疗前后的变化情况。

A RAPD molecular technology for detection of genetic variation of Oncidium was established through the improvement of DNA extraction methods and selection of random primers and RAPD reaction conditions.

通过对DNA提取方法的改良,随机引物的选择、RAPD反应条件的筛选,建立文心兰品种变异RAPD分子标记检测技术。

Rats with CHF were divided randomly into two groups, one group was injected dexamethasone(1mg /kg) intramuscularly at the first and forth day respectively,the other group was injected equi-volume saline likewise, and observing the changes of symptoms of rats with CHF; measuring rats hemodynamics index including blood pressure, heart rate and left ventricular end-diastolic pressure 4 days later. Part 2: To measure every group rats myocardialα1、β1、β2、β3-AR density by immunohistochemical method ,and to understand the AR density changes .Taking the first part rats'myocardium tissues for testing myocardialα1、β1、β2、β3-AR density and 5 normal rats for normo-contrast group and taking gray scale of slice as AR density. Part 3: The study enrolled 35 patients with DCHF. Patients were included if they had orthopnea and refractory edema due to acute DCHF that was severe and had taken more 1 week hospitalization and intravenous therapy in addition to diuretics.

观察心衰大鼠的症状,4天后对两组大鼠进行血流动力学检测,检测指标包括血压、心率和左室舒张末压;第二部分:取第一部分实验动物大鼠的心肌组织,并取5只正常大鼠的心肌组织作为正常对照,用免疫组化法检测大鼠心衰前后及糖皮质激素治疗前后大鼠心肌组织肾上腺素能受体α1、β1、β2、β3受体的变化,取镜下切片的灰度值反应受体的密度;第三部分:研究对象为临床难治性心衰病人35例,病人的选择标准包括由于急性失代偿的心力衰竭出现的端坐呼吸,难治性水肿,患者病情严重,住院超过1周,包括利尿剂之外药物的静脉治疗。

Owing to the abroad application of Candida rugosa lipase in the resolution of racemic aminoacides, the prepared lipase was used in the resolution of phenylglycine and tert-leucine. Through the optimization of the reaction conditions, such as reaction substrate, pH, temperature, ion strength and additives, enantiomeric excesses for phenylglycine and tert-leucine reached 96% and 90.1%, respectively, enantiomeric ratio came up to 28. 9 and 15. 4, respectively.

鉴于该酶广泛应用于手性化合物的拆分研究,本论文中选用了两种手性氨基酸作为拆分对象,通过对反应体系中一系列条件的优化,包括底物、pH、温度、离子强度以及添加物的使用,苯甘氨酸和叔亮氨酸的对映体过量值分别达到96%和90.1%,对映催选择率分别达到28.9和15.4。

No person chooses to suffer from panic, anxiety, phobic reactions or some type of personality disorder.

没人选择遭受恐慌,忧虑,病态反应或其它的性格混乱。

We synthesized chromia pillared α-ZrP and Zr〓〓 using for selective oxidation of hydrocarbons first.

合成了氧化铬层柱α-ZrP和Zr〓〓,首次将合成的层柱样品用于烃类选择氧化反应。

Many consumers believe that calcium and vitamin D can only choose one product, this is a misunderstanding, due to individual differences in the prevalence of the human body, not all at the same time also the lack of both calcium deficiency of vitamin D, some long-term use of vitamin D it will inhibit the body's own vitamin D formation, or trigger a large number of vitamin D intake and Yun Ji-poisoning, poisoning symptoms of hypercalcemia caused by liver and kidney dysfunction and soft tissue calcification, manifested as loss of appetite, unresponsive, rhythm arrhythmia, difficulty in breathing, nausea and vomiting, polydipsia polyuria, constipation and so on.

许多消费者认为,补钙只能选择与维生素D合一产品,这是一种误解,由于人体个体差异普遍存在,并不是所有的人同时既缺钙又缺维生素D,部分人长期服用维生素D反而会抑制体内自身维生素D的形成,或是引发维生素D大量摄入而积蕴中毒现象,中毒症状为高钙血症引起的肝肾功能损伤和软组织钙化,表现为食欲减退、反应迟钝、心律不齐、呼吸困难、恶心呕吐、烦渴多尿、便秘等。

The organic MQ silicone and mercapto propyl silicone which have the suitable molecular weight were prepared under suitable conditions and recipes.

选择了合适的反应条件和配比,合成了具有合适分子量的有机硅MQ树脂和巯丙基硅油。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。