阴性

The internal reference was established by the universal primer pair CQUTC6/CQUTC7 for Tilletia genera, which could be used to determinate the reality of PCR system and exclude both false positive and false negative.

以腥黑穗菌属通用引物对CQUTC6/CQUTC7为内置对照，可以确定被检样品是否含PCR抑制物质进而判断检测体系是否正确，同时有效地排除样品检测结果的假阳性和假阴性。

METHODS: At 6-12 months before testing, naltrexone (3.1 g) was subcutaneously implanted into bilateral abdominal wall in the naltrexone group;patients in the compulsory detoxification group underwent completely compulsory detoxification for 6 months, and the examination results, including diamorphine, methadone, and buprenorphine in urine, were negative on the immediately testing day.

长效纳曲酮缓释剂治疗组在测试前612个月腹壁两侧皮下植入长效纳曲酮缓释剂3.1g，强制戒毒组接受全封闭强制戒毒6个月，至测试之日止现场进行尿液海洛因、美沙酮和丁丙诺啡定性检测全部为阴性。

In this article,one-year old Dianthus plumarius was used as materials to study systematically its physiological and ecological properties of photosynthesis、drought resistance and shade resistance in natural environment.

本研究以一年生地被石竹的播种苗为供试材料，系统研究其在自然生态环境条件下光合生理特性、抗旱性和耐阴性，结果表明： 1。

Methods: 50 female rat were randomly devided into five group. Corn oil and diethylstilbestrol (30μg/kg) were given to the control and positive group respectively .

将50只初成年雌性大鼠随机分为5组，其中设阴性对照和己烯雌酚（30 μg/kg）阳性对照各1组。

In normal and sham groups, NAIP weak immunostaining was diffusely present in the neurons of parenchyma.

在对照组，NAIP 弱或阴性的免疫反应广泛出现在脑实质神经元。

The nucleic acid in the virion was determined to be single-strande d RNA by means of diphenylamine reaction,orcinol reaction and formaldehyde reaction.

病毒核酸地衣酚反应呈阳性，联苯胺反应呈阴性结果。而紫外吸收实验则呈明显的单链特征，辅以酶消化实验的结果，证实该病毒为单链RNA病毒。

The results of the experiment show that menadiol sodium diphosphate has no mutation effects on the procaryotic cell in vitro.

结果 当甲萘氢醌二磷酸酯钠的浓度在0.5、5、50、500、5000μg/皿，无论加或不加S9混合物时其对4株沙门菌株的回复突变作用均为阴性。结论甲萘氢醌二磷酸酯钠在体外对原核细胞无诱变作用。

RESULTS The average bacteriacolony forming unit per milliliter in dialysis fluid from the dialyzer inlet , outlet and reverse osmosis was 486 CFU/ ml ,490 CFU/ ml and 103 CFU/ ml , respectively. The common isolated bacteria were Bacillus subtilis , diphtheroid bacilliand some Gram2negative bacilli.

结果 透析器入口处透析液的平均菌落数为486 CFU/ ml ，透析器出口处透析液的平均菌落数为490 CFU/ ml ，反渗水的平均菌落数为103 CFU/ ml ，常见细菌为枯草杆菌、类白喉杆菌及某些革兰阴性杆菌。

There were 17 aneuploidy (52%) and 16 diploidy (48%) in the 33 patients with lung cancer by FCM analysis. Four of these 33 effusions were cytologically negative, however, FCM showed aneuploidy in 2 of these 4 patients.

但在33位肺癌病例中有17例为非双套体(52%)，16例为双套体(48%)，其中有4例临床细胞学诊断为阴性，但此4例中有两例用FCM DNA定量方法测定为非双套体。

RESULTS: ADMSCs at passage 3 were positive for CD13, CD59 and CD44, but negative for CD34 and HLA-DR. Chromosomal morphous, structure and number were normal, showing diplont structure. Under the microscope, there were complete Golgi complex, plenty of rough endoplasmic reticulum, and some glycogen granules in cytoplasm.

结果：第3代脂肪间充质干细胞CD13，CD44，CD59均呈阳性表达，而造血干细胞表面标志CD34及成纤维细胞表面标志HLA-DR均呈阴性表达；染色体的形态、结构和数目均未见异常，呈二倍体结构；镜下可见完整的高尔基复合体，数量较多的粗面内质网，部分糖元颗粒分布在胞浆中。

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