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Objective To observe the pain occurrence after root canal filling with three different kinds of materials.Methods 87 teeth for root canal treatment were divided into group A,group B and group C randomly.

根管治疗是目前公认的治疗牙髓炎和根尖周炎的首选方法[1]，但根管充填后其疼痛反应不仅增加了患者的痛苦，而且增加了医患矛盾。

The results were compared with control group. Results In group of ill pregnanted fetus, the contents of necessary nutrition elements in blood and tissue were all lower except that Fe in the group of congenital malformed foetus was high. The variation was especially evident in gravida's biood, umbilic blood, placenta, and liver of fetus. The contents of heavy metals such as Pb, Cd, Hg were all higher, and the variation was evident in placenta, liver of fetus and occipital bone.

结果 除先天性畸形胎儿组中的铁偏高外，其余血液及各组织中必需营养元素钙、锌、铜、铁、硒和维生素A含量普遍偏低，在母血、脐血和胎盘及胎儿肝脏中差异显著(P.05)；重金属铅、镉、汞含量普遍较高，在胎盘、胎儿肝脏和枕骨等组织中差异显著(P.05)。

Methods 150 rats were randomly divided into three groups: group A, group B (80 mg/ gentamicin to be injected, group C (160 mg/ gentamicin to be given. The variations of renal pathology were observed at different time phases by light scope and electro microscope. Simultaneously, the expression of HSP70 in kidney was evaluated by immunohistoche mistry.

方法150只大鼠随机分为对照组和实验组B(庆大霉素80 mg/注射，实验组C(庆大霉素160 mg/注射，将对照组和实验组分别于注射后6、12、24、36、48h各取10只大鼠剖腹取肾，光镜、电镜下观察肾脏的病理变化，通过免疫组化法观察HSP70的表达情况。

Methods:24 Wistar rats were divided into four groups,namely 2,3 butanedion monoxime pretreated group,bFGF positive treated group,normal saline group,and shamoperated controls.

24 只大鼠分成内源性bFGF激活A 组、bFGF治疗B组、生理盐水对照治疗C组以及正常对照D组。

Secondly, referring to the present study on the connotation of the medium-income group and its measurement of dividing, the paper puts forward the basis and method of the sexenary division of the citizens and defines of the medium-income group as a group of people whose income is just lower than the millionaire and billionaire, Similar to the "middle class" popular in the western countries in economy and politics. As tar as the measurement is concerned, the paper sets up the measurement considering both the quality and quantity on the basis of income. From the point of view of quality, the medium-incomes should be able to pay for the real estate, life-lone education, medical care and luxurious goods all or mostly by their personal income, inheritance or loan form banks. In addition, they should be capable of keeping their income rising steadily.

其次，结合当前学术界对中等收入者的内涵及其划分标准的研究现状，本文提出城乡居民六等分的依据和方法，将本文研究视野中的中等收入者概括为一类仅次于亿万富翁和百万富翁的高收入者，在经济特征上，类似于西方世界流行的&中产阶级&；在其划分标准上，确立了以收入作为划分不同群体的依据，衡量标准采用质与量相结合的方法，从质上看，中等收入者的收入应能全部或绝大部分通过借贷、继承等方式支付房产、教育、医疗、高档消费等支出，并具有可持续增长的收入能力。

METHODS: 123 clearly diagnosed anxiety neurosis sufferers were divided randomly into Group A, Group B and Group C (psychotherapy and drug treatment).

将明确诊断的焦虑症123例，随机分为心理治疗组40例、药物治疗组42例、心理加药物治疗组41例，心理学量表采用SCL 90。

Also, because they are a group activity, focus group s tend to drive to consensus. The majority or loudest opinion often becomes the group opinion.

此外，因为焦点小组是一个团队活动，所以倾向于达成一致意见，即大多数人或声音最大的意见最后将成为小组观点。

Methods Sixteen cases undergoing PBOLT were equally divided into two group: uncontrolled blood transfusion group and controlled blood transfusion group. During pre-anhepatic, anhepatic and neohepatic states, mean artery pressure, central vein pressure, heart rate, liver function test and hydrolytes were observed and the degree of the gastrointestinal tract gore was examined.

对16头猪施行PBOLT，分别观察非控制输血组(A组，n=8)和控制输血组(B组，n=8)在无肝前期、无肝期和恢复门静脉血流后的平均动脉压、中心静脉压、心率及血生化指标。

It is reported, the men's clothing that invests by group of bird of announce good news and firm of treasure bird dress sells brand BONO to already threw 100 million yuan to be in continuously sell the take cities and seize territory on the market continuously, yageer has established good network to sell a group continuously in Shanghai, group of king of shop sign of conch dress, flag also begins open up network to sell battlefield continuously.

据悉，由报喜鸟集团和宝鸟服饰公司投资的男装直销品牌BONO已投入亿元在直销市场上攻城略地，雅戈尔已经在上海组建好网络直销团队，海螺服饰、旗牌王集团也都开始开辟网络直销战场。

Introduction AMS Group BV\nAMS Group, active since 2003, is a Dutch legal entity with limited liability and has offices and facilities in Amsterdam, Shanghai, Foshan, Shenzhen and Guangzhou.

nAMS Group成立于2003年，是一家荷兰公司（有限责任公司--\&BV\&），在荷兰阿姆斯特丹，中国的上海、佛山，深圳和广州设有办事处或工厂。

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！