vertical transmission

This shows that vitamin A does have vertical transmission prevention of HIV mother-to-child role.

由此可见，维生素A确有预防HIV母婴垂直传播的作用。

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This is the first report of vertical transmission of CT proved by DNA sequencing.

提示：首次从DNA测序分子水平证实母婴垂直传播CT，垂直传播CT在重庆地区颇为常见。

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A Vertical Circulating Mechanical Parking System with Guide Chain Transmission

导轨链传动垂直循环式停车设备

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Experimental Study on Vertical Transmission of HIV-1 Gag Gene via Oocyte

HIV-1gag基因经卵母细胞垂直传递的实验研究

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Age, educational level and place of birth mainly effect hepatitis B vaccine immunization, and Haimen HBV infection is mainly from vertical transmission and horizontal transmission by endoscopy, dental and sharing a toothbrush in family.

年龄、受教育程度和出生地点主要影响乙肝疫苗的免疫接种，而海门市HBV感染主要来源于垂直传播途径和通过内窥镜、牙科诊疗和家庭内共用牙刷等水平传播途径。

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Among the lower age group, vertical transmission is the major transmission route.

在低年龄组人群中，母婴传播是主要的传播途径。

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Conclusion: HCV can infect the ovary and oviduct, presenting relationship vertical transmission of HCV.

结论: HCV可感染卵巢及输卵管组织, 推测可能与HCV母婴传播有关.

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Blockage effect of HBV infection in PBMC on mother-infant vertical transmission

HBV感染单个核细胞对阻断乙肝垂直传播的影响

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Vertical transmission of hepatitis B virus ( HBV ) can occur occasionally despite vaccination of the child.

乙型 肝炎 病毒的垂直传播可能偶发于接种了乙肝疫苗的孩子中.

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Objective: to study the possibility of vertical transmission of hepatitis C virus and its epidemiological significance.

目的：探讨HCV母婴传播的可能性及其在流行病学中的意义。

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The Solution of Vertical Load Transmission Through Track Structure

轨道结构垂向力传递的确定方法

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The Potential Application of Real Time RT-PCR in Early Diagnosis of HIV Vertical Transmission

实时荧光RT-PCR在HIV母婴传播病例诊断中的应用

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Detection of MHV Antibody in Experimental Mice and Studies on Its Vertical Transmission

常用开放实验小鼠群MHV抗体的监测及其病原传播的探讨

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Objective To study vertical transmission capability of dengue virus type 1-4 ( DEN 1-4) through three geographic strains Aedes albopictus in Guizhou province.

目的利用细胞及分子生物学技术，研究白纹伊蚊贵州省贵阳、兴义、毕节株对1-4型登革病毒（DEN1-4）的垂直传递能力。

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Knowledge, attitudes and behaviors in relation to HIV vertical transmission among pregnant women and medical staff

昆明地区孕产妇、医务人员HIV母婴垂直传播相关知识、态度对比分析

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Effects of intranasal immunization with STAg on vertical transmission of Toxoplasma gondii in BALB/ c mice

STAg滴鼻免疫小鼠对弓形虫垂直传播的阻断作用

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Types of transmission system of vertical circulating mechanical parking equipment

垂直循环机械式停车设备传动系统的形式

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Data transmission using TV vertical blanking intervals Unification of fields

利用电视信号场消隐期的数据传输

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Vertical transmission of hepatitis B virus ( HBV) can occur occasionally despite vaccination of the child.

乙型肝炎病毒的垂直传播可能偶发于接种了乙肝疫苗的孩子中。

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Effect of hepatitis B immunoglobulin used in third trimester of pregnancy on interrupting maternal-infant vertical transmission of hepatitis B virus

妊娠晚期乙肝孕妇注射乙肝免疫球蛋白对阻断乙肝病毒母婴传播的作用

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Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor.

运用函数求极值的方法，证明了封闭垂直夹层中的传热系数存在极小值，即封闭垂直夹层在理论上存在最小的当量导热系数，并推导出了最佳空气夹层厚度的理论公式。

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In this paper, we devote to investigate a vertical transmission DS-I-R model with vaccination, a threshold is obtained.

本文研究了一类具有垂直传染与接种的疾病在多个易感群体中传播的DS-I-R传染病模型，得到了疾病流行的阈值。

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The operating principles of cross-piece body is generating the projected major axis vertical transmission to the wheels through the spline to the second stage for further cross to the Movement;

三级滑叉的工作原理是横移机构中的传动长轴带动齿轮传动，该齿轮通过齿条带动第二级滑叉作往复运动；

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A Study on Natural Infection and Vertical Transmission of DHBV in Ducks

鸭肝炎病毒感染和垂直传播的研究

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To block up the vertical transmission is the key point to control of the prevalence of HBV infection.

阻断HBV的母婴传播是控制乙型肝炎流行的关键。

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The following phenomena autogeny, stabilized infection, sequential vertical transmission, venereal transmission, and long period of survival of viruses in dried mosquito eggs might increase the epidemiological significance of vertical transmission.

无吸血生殖、稳定感染、连续垂直传递、交配传递以及病毒可在干燥蚊卵中存活数月等现象的发现，增加了垂直传递的流行病学意义。

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Studies on the vertical transmission of spheroid virus in Penaeus chinensis

中国对虾育苗期球形病毒的感染及垂直传播途径的初步探讨

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Study of the vertical transmission route of the asymptomatic human papillomavirus infection

亚临床型人乳头瘤病毒感染垂直传播途径的研究

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WNV is maintained in mosquito populations through vertical transmission ( adults to eggs).

西尼罗河病毒通过纵向传播（成虫到卵）在蚊子群体中生存。

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