nega

CONCLUSION : Tissue expression of PGC has nega - tive correlation with the severity of the gastric mucosal disease .

结论：PGC的组织表达与胃黏膜细胞恶性程度呈负相关。

The results of Oncomelania snails which infected with other trematodes were nega - tive in dot - ELISA .

12只镜检显示为其它吸虫感染的钉螺，夹心dot-ELISA阴性。

The nega - tive TPO in FNAB should be considered as surgical indication in the condition of " cold " nodules in scintigraphy of clinical thyroid nodular lesions .

临床甲状腺结节性病变如同位素扫描为冷结节，细针穿刺活检（FNAB）检查TPO阴性者应视为手术适应证。

This article is intended to share the experience of installation of medical oxygen distribution system and nega ˉ tively-pressured pneumatic stations in Xinjiang in the recent ten years , such as the working scope , working environment and climate influence .

本文通过近十年来对新疆地区医用中心供氧及负压气体站的工作范围，工作环境及气候的影响介绍给同行，以引起重视及注意事项。

The relation between the level of exogenous CTK / IAA for inducing differentiation and the level of endogenous CTK / IAA in callus with bud or root differentiation is nega - tive .

结果表明：诱导愈伤组织分化芽或根所用的外源CTK/IAA值同分化出芽或根的愈伤组织的内源CTK/IAA值呈负相关；

A review is presented of the theory in negative refraction index ( NRI ) study . Five years ago , the experiment of UCSD confirmed that left-handed medium ( LHM ) do indeed exhibit nega - tive refraction .

对负折射率研究的理论作了评述，5年前美国UCSD的实验已证明用左手化媒质（LHM）确实可造成负折射。

[ Results ] Standard IIF showed that 23 of 37 patients with BP contained positive anti-BMZ antibodies in their sera at positive rate of 62.16 % , and 14 sera were negative . 10 healthy controls were nega - tive .

[结果]常规IIF示37例BP患者中23例血清抗BMZ抗体阳性，阳性率为62.16%，10例正常对照血清阴性；

The article analyses the roots of technology nega - tive effects from the aspects of the nature , technology , mainbody and society , and holds that mankind must start with itself so as to extricate itself from a difficult position of technology negative effects .

从自然、技术、主体和社会4个方面分析了产生技术负效应的根源。认为要解决技术负效应给人类带来的困境，必须从人类自身出发。

As tool for information spreading and communi - cating , Internet on the one hand helps students broaden their horizon , acquire knowledge and promote their psychological health development , on the other hand there must be some nega - tive influence on their psychological health .

网络作为开放式信息传播和交流工具，在帮助学生开阔眼界、获取知识、促进学生心理健康发展的同时，必然也会对学生的心理健康产生负面影响。