查询词典 circulation

We have performed systematical studies on intrauterine transmission of hepatitis B virus and our studies suggested that HBV may occur through progressive infection of different placental layers until the virus reaches the fetoplacental circulation, which is the named "transplacental cellular traffic" except through placental tears with transfusion of infected maternal blood into the fetal circulation, which is the named "hematogenous transmission".

我室近年来对HBV宫内传播进行了系列研究，发现了胎盘在宫内传播中的作用，并提出了HBV宫内传播机制的假设：除血源性途径外，还可通过HBV在胎盘组织内的&细胞传递&途径，即HBV可以从母体蜕膜细胞通过&逐层转移&至胎儿绒毛毛细血管内皮细胞，导致胎儿感染。

Firstly, pressure, enthalpy, temperature and velocity of pure water at different location of hydrothermal circulation system are described. Density and viscosity of fluid are calculated from temperature and pressure using properties of pure water. Secondly, influences of formational anisotropy and crack zone on hydrothermal circulation are analyzed.

首先讨论了热液循环系统不同部位的压力、焓、温度、水流的密度、粘度及流动速度等参数的特征，其次分析了地层非均质性、裂缝带的存在对热液循环流场的影响，最后分别模拟了近临界状态及侵入体存在情况下的热液循环。

METHODS: Data were collected retrospectively for 8 consecutive patients undergoing rostral basilar circulation saphenous vein bypass grafts at our institution between 1989 and 2004 for the treatment of VBI or in conjunction with Hunterian ligation of complex posterior circulation aneurysms.

回顾性收集本机构1989-2004间8例因椎基底动脉缺血或复杂颅内后循环动脉瘤行上段基底动脉循环-大隐静脉重建术的患者数据。

METHODS: Data were collected retrospectiely for 8 consecutie patients undergoing rostral basilar circulation saphenous ein bypass grafts at our institution between 1989 and 2004 for the treatment of BI or in conjunction with Hunterian ligation of complex posterior circulation aneurysms.

回顾性收集本机构1989-2004间8例因椎基底动脉缺血或复杂颅内后循环动脉瘤行上段基底动脉循环-大隐静脉重建术的患者数据。

Biological circulation rate of five elements in Chinese fir layer is 0.412,but they are 0.505and 0.556 in shrub and herb layers,and they show the law of herb layer＞shrub layer＞Chinese firlayer,this shows that understory plants have significant conservation function of soil fertility innutrient circulation,but Chinese fir tree species has larger consumption of soil fertility.

杉木层的5种元素总生物循环速率为0.412，而灌木层和草本层的5种元素总生物循环速率分别为0.505和0.556，表现出草本层〉灌木层〉杉木层的规律，说明林下植物在养分循环中具有明显的地力维护作用，而杉木对地力消耗较大。

Objective To evaluate the ultrasonographic features of intervillous circulation in normal early pregnancies and early inevitable abortions,and to assess the value of grey-scale ultrasound and color power Doppler in the examination of intervillous circulation in early inevitable abortions.

目的探讨正常与异常早孕胎盘结构及绒毛间隙血流循环的超声特征，评价灰阶和彩色能量多普勒超声在早期难免流产胎盘诊断中的价值。

In light of the literatures in the recent years on anoxic pulmonary hypertension treated by Chinese medicine,Chinese medicine had selective hypotensive effect on pulmonary circulation and little effect on systemic circulation,consequently resulted in positive cardiac myodynamia and did no harm to blood gas.Thus Chinese medicine had better applied prospect and potential developmental value.

从近年来中医药治疗缺氧性肺动脉高压的文献报道看，中医药对肺循环有选择性降压作用，对体循环的影响较小，有正性心脏肌力作用，对血气无不利影响，中医中药有较好的应用前景和潜在的开发价值。

The engine of cryogenic liquid rocket is required for fully precooling by natural circulation before launching, and the return flow location of the circulation loop plays an important part in field distribution of tank.

低温液体火箭射前需要采用自然循环方式对火箭发动机进行充分预冷，循环预冷管路的回流口位置是影响液氧贮箱内部场分布的重要因素。

Therefore,characters of agile enterprise organization in the circulation industry can be concluded asfollows: openness to challenge with high flexibility; vital work teams as basic units ofenterprise organization; variable, alterable, quick and effective exchange and coupling modeof information among work teams; revisable flat network.Generally speaking, concrete forms of agile enterprise organization in the circulation industryare dynamic alliances of enterprises in order to respond to existing or forthcoming marketopportunities.

由此可以将流通敏捷企业组织的特征归结为：流通企业组织是应变的，具有高度柔性；流通企业组织的基本单元是工作团队且充满活力；工作团队之间的信息交流和耦合方式是多样的、可变的，并且快速有效；流通企业组织结构形式是可重组的扁平状网络组织结构；具有上述特点的流通敏捷企业的具体形式一般是企业的动态联盟，是为了及时响应已经出现的或即将出现的市场机遇而组成公司或集团。

Expression of change of the chemical composition with ferruginous surface of the mild steel in doing wet loop to corrupt a process quickly, structure is in rustily and earlier α- FeOOH content is inferior, rubiginous layer is loose, rustily speed is shown increase along with time of dry wet circulation and rise trend; later period follows α- the addition of FeOOH content and rubiginous layer become more compact, corrode change to drop to increase along with time of dry wet circulation.

在干湿循环加速腐蚀进程中低碳钢表面铁锈的化学组成、结构变化表现为在锈蚀初期α-FeOOH含量较低，锈层疏松，锈蚀速度呈随干湿循环次数增加而上升趋向；后期随α-FeOOH含量的增加和锈层变得更加致密，腐蚀转变为随干湿循环次数增加而下降。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。