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Includes a powerful chemical equation balancer that can solve the most complex organic reactions and calculate molecular weights and amounts of reagents.

通过它附带的强大的化学方程式配平工具，用户可以解决大多数复杂的有机化学反应，计算反应物的分子量和质量等。

Method］Sixty male SD rats with body weights of 300～330 g were divided into 3 groups: chloral hydrate group,1.5% isoflurane group and 3% isoflurane group.

方法］成年雄性SD大鼠60只，体重280～330 g，随机分为水合氯醛组、1.5%异氟烷组和3%异氟烷组。

In clinical. acetylcholinesterase inhibitors reduce the breakdown of synaptic acetylcholine, have been modestly effective in improving the cognitive deficits of Alzheimer's disease.The goal of this work is to determine enzyme kinetics and mechanisms of acetylcholinesterase and butyrlcholinesterase inhibition by five cardiovascular drugs, lovastatin, simvastatin, amlodipine besylate, nifedipine, and hydralazine hydrochloride, and two benzodiazepines, diazepam and chlordiazepoxide hydrochloride. All drugs in this study are reversible mixed-type inhibitors of acetylcholinesterase and butyrylcholinesterase. The pKi values for acetylcholinesterase and butyrylcholinesterase inhibition by the cardiovascular drugs are linearly correlated with the molecular weights of the drugs with the slopes of 0.005 and 0.0021, respectively. Therefore, van der Waals' interactions between acetylcholinesterase and the cardiovascular drugs are stronger than those between butyrylcholinesterase and the drugs. This is probably due to a smaller active site gorge and a more significant peripheral anionic substrate binding site of acetylcholinesterase than those of butyrylcholinesterase.

本研究之目的系决定乙醯胆碱酯酵素和丁醯胆碱酯酵素被五种心脏血管药物lovastatin， simvastatin， amlodipine besylate， nifedipine、hydralazine hydrochloride和两种benzodiazepines：diazepam和Chlordiazepoxide hydrochloride的抑制作用之动力学及机转，这些药物都是乙醯胆碱酯酵素和丁醯胆碱酯酵素的可逆性、混合型之抑制剂，实验结果显示，五种心血管药物对於乙醯胆碱酯酵素及丁醯胆碱酯酵素抑制之pKi值和药物之分子量呈直线之关系，斜率分别为0.005及0.0021因此丁醯胆碱酯酵素，与心血管药物间之凡德瓦作用（van der Waals' ）比乙醯胆碱酯酵素与心血管药物间者弱，这可能原因是丁醯胆碱酯酵素之活性区域比乙醯胆碱酯酵素之活性区域更宽广，但丁醯胆碱酯酵素之周边阴离子区域不及乙醯胆碱酯酵素之周边阴离子区域者明显重要，由於五种心血管药物对於乙醯胆碱酯酵素和丁醯胆碱酯酵素抑制之pKi值存在著线性关系表示此种抑制作用系经过共同之反应机理。

In this article, we studied some components in giant panda seminal plasma and their relationship with semen characteristics.The protein bands were separated by SDS-PAGE, platelet-activating factor acetylhydrolase activity and glutamic-aspartic aminotransferase activity were detected by ELASE and chymic colorimetry respectively. The results are as followed:Twelve protein bands in giant panda seminal plasma were identified by SDS-PAGE, the molecular weights were 74.9、59.6、 56.2、 54.7、 47.3、 38.2、 30.8、 23.8、 18.4、 16.8、14.0 and 13.4kDa respectively, six of them (74.9, 59.6, 56.2, 47.3, 30.8 and 13.4kDa) werepresent in all samples. However, there was no relationship was found between the abnormalprotein bands appeared in several samples and semen characteristics in our experiment.

本研究采用SDS-PAGE对大熊猫精浆蛋白电泳谱带特性进行分析，使用酶联免疫方法检测精浆血小板激活因子乙酰水解酶活性、化学比色法检测精浆谷草转氨酶活性，并初步探讨了这些物质与大熊猫精液质量的关系，结果显示：(1)大熊猫精浆SDS-PAGE电泳共分离得到12条蛋白谱带，其分子量分别为74.9kDa、59.6kDa、56.2kDa、54.7kDa、47.3kDa、38.2kDa、30.8kDa、23.8kDa、18.4kDa、16.8kDa、14.0kDa和13.4kDa，其中74.9kDa、59.6kDa、56.2kDa、47.3kDa、30.8kDa、13.4kDa谱带为所有个体大熊猫精浆样品所共有。

Using the diagnosis method of IEUNIM, the initial multi-weights are gained by classifying the space of fault character and the identification of network is improved greatly by using K-means Clustering.

在IEUNIM故障诊断方法中，用K均值法划分故障信息特征空间形成了多初始权重值，并采用改进型椭球神经网络，大大提高了网络的故障辨识能力。

For making this formula more closed to reality,we assign a weight to each of nodes and adjust these weights.

为使所得概率计算公式尽可能地符合现实情况，每一个对等点分别被赋予不同的权，随后对所赋权进行调整。

One winter in the 1920s,while a student at Cornell University in Ithaca,New York,Troy got hold of a very old and ugly waste basket with a real rhinoceros foot as its base. He filled it with metal weights and tied 30 feet og clothes-line to either side.

1920年冬天，那时他还是位于New York Ithaca区的Cornell大学的一个学生，Troy取了一个又破又旧的蓝子，在下面用真正的犀牛脚做上支架，又在蓝子里放上金属重块，再在蓝子两边各绑上30英尺长的晾衣绳。

But one of my colleagues is really interested in your colored weights and is planning to purchase some soon.

但我的一个同事对您的彩色平衡块非常感兴趣而且计划不久要购买一些。

To provide comprehensive information and objective prediction results for decision-makers, a method to define combinatorial weights for different models based on self-learning approach was proposed.

为解决单一扩散模型难以可靠预测产品市场扩散行为的问题，为决策者提供全面的信息和客观的预测结果，提出了一种运用自学习方法确定不同模型的组合权重的方法。

Taking a regional logistics industry as an instance,from the view of quantitative and qualitative character,the weights of related indicators are computed by combinatorial evaluation method .

基于物流产业的涵义和特点提出了产业竞争力的概念，根据物流产业的现状，提出了物流产业竞争力评价的多层指标体系，列举了主要的评价方法和具体步骤；针对具体的实例，从定性和定量两个角度，运用组合评价法确定了相关指标的权重，借助多层模糊评价法对一级指标进行了评价分析，有助于区域物流产业核心竞争力的确定。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。