阴性

Methods:Twenty one cerebrospinal fluid specimens from 13 patients with meningeal carcinomatosis and 7 specimens from 5 non meningeal carcinomatosis patients were tested with routine cytologic examination and CEA immunocytochemistry examination.

结果 ：常规脑脊液细胞学检查阳性率 4 2 。86 %(9/ 2 1 )，CEA免疫细胞化学检查阳性率 80 。95 %(1 7/ 2 1 )，两者相差显著(P 。0 5 )；其中对首次腰穿获得的脑脊液标本检查，两种方法的阳性率分别为 30 。77%(4 / 1 3)和 76 。92 %(1 0 / 1 3)，两者相差也显著(P 。0 5 )；非脑膜癌病患者的脑脊液检查结果均为阴性。

The result showed that the mutagenecity of water increased in all samples treated with chlorine, while mutagenic potential was negative in source water samples not treated with chorine.

水样采自某单位自备水源。试验结果表明，未氯化自来水有机提取物致突变反应阴性，加氯自来水样诱发沙门氏菌致突变率升高；在一定范围内，随氯浓度增加，不会显著增加水样的致突变性。

Positive results of mutagenicity have been obtained with chrysophanol aloe-emodin emodin and chrysarobin in Salmonella /microsome assays.

致畸作用。沙门氏菌/微粒体中的致畸结果为阳性的有：大黄酚，芦荟-大黄素，大黄素，和驱虫豆素以上均为大黄的化学成份），大黄酸的结果为阴性。

Results:After the beginning of nutritional intervention, the chyle test turned into negative in short time, and the volume of drainage and the concentration of triglyceride decreased significantly.

结果：4例病人诊断为乳糜腹水并应用营养支持治疗后，短时间内腹水乳糜试验即转为阴性，三酰甘油的浓度显著下降，引流量逐渐减少。

Zéro（0,zero） un,une(1,one) deux(2,two) trois(3,three)quatre(4,four)cinq(5,five) six(6,six) sept(7,seven) huit(8,eight)neuf9,nine

在法语中，只有1有阴性、阳性的区别，其余数字只有一种形式。

Zéro（0,zero） un,une(1,one) deux(2,two) trois(3,three) quatre(4,four)cinq(5,five) six(6,six) sept(7,seven) huit(8,eight) neuf(9,nine) www.xineurope.com

在法语中，只有1有阴性、阳性的区别，其余数字只有一种形式。

Zéro（0,zero） un,une(1,one) deux(2,two) trois(3,three) quatre(4,four)cinq(5,five) six(6,six) sept(7,seven) huit(8,eight) neuf9,nine

在中，只有1有阴性、阳性的区别，其余数字只有一种形式。

Objective To investigate the infection and drug resistance of coagulase negative staphylococcus in urogenital tract of male.

目的 探讨男性泌尿生殖系凝固酶阴性葡萄球菌感染状况及耐药性。

Objective To explore the infection and medicine susceptibility of blood culture coagulase negative staphylococcus in children, and provide evidence for use of antibiotics in pediatrics.

目的 了解本院儿童血培养凝固酶阴性葡萄球菌的感染率及其药物敏感情况，为儿科合理使用抗生素提供依据。

Objective To compare the sensitivity and specificity in identifying coagulase negative staphylococcus between Vitek32 microbic system and 16S rRNA sequence analysis.

目的比较Vitek32鉴定系统和16S rRNA序列分析法鉴定凝固酶阴性葡萄球菌的灵敏度和特异性。

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