阴性的

There were no false positive reports among the 220 (40.1%) biopsies interpreted as benign lesions in paraffin sections. Among 329 (59.9%) malignant biopsies on paraffin sections, 3 cases were interpreted as benign lesions on frozen sections. Three false negatives included 2 ductal carcinoma in situ and one infiltrating ductal carcinoma associated with papillomatosis. The tumors were small and confined to the breast without any evidence of metastasis.

本研究针对五年来本院 549 例乳房病理冰冻切片及永久性石蜡病理切片诊断比较，发现在 220 例的良性乳房病变40.1%）并未发现任何假阳性的冰冻病理切片诊断，而在 329 例（ 59.9 %）恶性乳房病变中，其中有三例假阴性包含二例乳房管道原位癌及一例合并良性乳突瘤的浸润性乳癌，而这三例均属较小病变及未有腋下淋巴腺转移。

The aim of this study was to prospectively identify factors predictive of the clinical course in HBeAg-negative chronic hepatitis B.

本研究的目的是前瞻性的确认预测HbeAg阴性慢性乙肝临床过程的因素。

Data on IFN re-treatment of patients with HbeAg negative CHB are very limited.

HbeAg阴性CHB患者的IFN再治疗的数据是非常有限的。

In common with other populations of Han nationality in North China, the present population revealed a high frequency of ⅡB (0.2135), and a slightly higher frequency of n (0.5016) than that of m (0.4984). High frequency of Le (24.17%) was observed. Among 94 individuals tested, 4 cases of Le were found to be ABH secretor secreting A or B substances but not H substance. A total of

在94人中还发现四名Le型属于ABH分泌型，且都属于分泌A或B血型物质的类型，无一例为分泌H血型物质的类型； Rh阴性率仅0.3％，CCDee和CcDE型占75％以上； P_1型占39.1％； ABH分泌型占72％，低于全国其他民族中已知的分布。

The SMMC-7721 hepatoma cell line of experimental groups and control groups were cultured with the addition of sodium selenite, potassium iodide or triiodothyronine (T3). The cell quantity was checked by the MTT assay , and the cell cycle was observed by flow cytometry and levels of AFP and ALB in the culture solution were determined by RIA.The SD rats were divided into positive control group, negative control group, T3 group and mixture group (the mixture of sodium selenite, KI and T3). After two weeks of the administration of sodium selenite、 KI and T3,Walker256 cells were transplanted into the abdominal cavity. The administration was kept on for another two weeks, then observed the morbility and mortality of the rats with ascites carcinoma. At the end, the ascites were for the cells counting and the cell cycles analysising.

方 法：在体外，应用细胞培养的方法，培养SMMC－7721肝癌细胞系，分为试验组和对照组，试验组加入不同浓度Se、I或T3干预，培养一段时间后，通过噻唑蓝试验、流式细胞仪，观察细胞数量及细胞周期的变化，测定细胞培养上清液中甲胎蛋白、白蛋白的水平，观察细胞分化情况；在体内，将试验用SD大鼠分成阴性对照组、阳性对照组、T3组和混合组（为Se、I和T3混合物），首先预防性用药2周，然后给试验组大鼠和阳性对照组大鼠腹腔注射Walker256细胞，制造腹水癌大鼠模型；继续用药2周，观察各组大鼠发病率及死亡率，测量不同时期大鼠血清FT3含量，通过流式细胞仪测量大鼠腹水细胞数及细胞周期变化。

For this aim, an I kappa B alpha-dominant negative plasmid was injected into the soleus muscle of rats.

对于这个目标，的iκ b的阿尔法-显性阴性质粒（俗称为superrepressor ）被注入到比目鱼肌中的作用。

Objective To establish a simple,accurate and practi cal method of extracting plasmid from gram-negative and gram-positive bacteria ,Method we selected,Biswajit sahas method and comported others method, such as controlling pH andtemperature strictly and increasing EDTA-Na2 capacity.

为建立一种革兰氏阴性及阳性菌均能分析的质粒提取方法，以Biswajit saha的方法为基础，对比酸酚法、热变性法、碱变性法、酶法等方法，研制符合国内一般实验室的方法。

It was concluded good homogeneity and suspensibility of the iron solution were obtained.The significant decrease of T2 signal intensity with iron concentration shows that the solution was a promising contrast agent for magnetic resonance imaging.

说明本实验制备的葡聚糖包埋氧化铁溶液颗粒均匀，悬浮性好，在核磁共振诊断仪上显示出，随着铁浓度的增加，T2信号强度下降快，适于用作核磁共振造影的阴性增强剂。

Totally 104 samples were bacteria positive, 66 strains being G^＋ cocci and 34 strains G^- bacilli.

患者刚人院时，细菌以革兰阳性菌为主，随着患者住院天数的延长，细菌的种类也发生变化，在医院感染病例中细菌的分布是以革兰阴性菌为主；应加强抗菌药物使用和监控，根据药敏结果合理选用抗菌药物。

One ESBLS-producing strains was detected in Pseudomonas aeruginose,Enteric aerogenes and Citrobacter,respectively.

由于ESBLS阳性株对临床常用抗生素的耐药率远远高于ESBLS阴性株，使临床治疗面临极大的困难，必须引起临床医生和临床微生物室的重视。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐