阻滞

In thisstudy, we sought to determine the number of injections neededto provide a reasonably complete anesthesia of the upper limbwith this approach. Seventy-five patients were randomly assignedto receive a coracoid block guided by nerve stimulator with42 mL of 1.5% mepivacaine with a single-injection (Group 1),dual-injection (Group 2), or triple-injection (Group 3) technique.

在本研究中，我们拟探讨为提供完善的上肢麻醉效果所需要的锁骨下臂丛神经阻滞的注射次数。75例病人用神经刺激器指导喙突旁臂丛神经阻滞，随机用1.5%的甲哌卡因42ml 行单次注射（组1）、分两次注射（组2）或分三次注射（组3）。

Two patients reported prolonged nerve blockade of the great toe and dorsum of the foot after a sciatic nerve block, which lasted for 72 h.

有两位接受坐骨神经阻滞的患儿，其大拇趾及足背的神经阻滞延长，持续72小时。

Methods 80 cases over 76 years old with dated epigastrium surgical operation,were enrolled in this randomized and enlarged control trial,and were divided into 3 groups,A,B and C:A,15 cases enrolled,with continuous epidural block group;B,25 cases enrolled,with combination general anaesthesia of intravenous and inhalation;C,40 patients enrolled,with low-dose and low-concentration epidural anesthesia com...

方法采用随机加大对照方法，选择80例76岁以上择期手术患者分为3组：A组15例为连续硬膜外阻滞麻醉组；B组25例为静吸复合全身麻醉组；C组40例为小剂量低浓度硬膜外阻滞复合静吸全身麻醉组。

The number of premature ventricularcomplexes during the ischemic period (54 ± 3) was reducedby FENT 50 (19 ± 7), an effect blunted by central (40± 3) but not peripheral (18 ± 7) blockade of OR.

使用 FENT 50时，缺血期间心室合成物前体数量降低（由54 ± 3降至19 ± 7），而当中枢 OR 阻滞时，这种保作用消失（40± 3），外周 OR 阻滞时没有影响（18 ± 7）。

Methods Ropivacaine with different densities is used for obervations on the patient's life sign,pains,movement block,cervix flaccidity and the period of time of the patient's being away from the hospital.

用不同浓度的罗比卡因在门诊人流术中行骶管阻滞以观察其对流产者的生命体征、疼痛程度、运动阻滞、宫颈松弛度及离院时间的影响。

METHODS A single oral dose of 10 mg rupatadine fumarate tablets was given to 10 healthy volunteers.

该药口服治疗剂量能选择性阻滞H1受体，对5-羟色胺、乙酰胆碱、前列腺素F2、白三烯D4仅有很弱的阻滞作用，尚能与血小

Biatrial and right ventricular triple chamber pacinmg is founded through implanting coronary sinus lead to pace left atrium on the base of conventional right atrial and right ventricular dual chamber pacing,which realizes the synchrony of electrical activities in both two atriums,remove interatrial conduction block and interatrial reentry,and prevent and treat atrial tachyarrhythmias induced by interatrial conduction block.

在常规右房、右室双腔起搏的基础上，植入冠状窦电极起搏左房，建立双房右室三心腔起搏系统，实现双房电活动的同步化，消除房间传导阻滞和房间折返，防治由房间传导阻滞引起的房性快速性心律失常。

The influence of the texture and the way of inputting solute on transport of chemicals under the laboratorial conditions were studied.

研究结果表明：F在粘粒含量高的的土中的水动力弥散系数和阻滞因子均大于在粘粒含量低的土中的水动力弥散系数和阻滞因子。

Methods: Separate and abstract the effective components of Huangqi (Omni-Saponin、total-flavone) and Danshen (Danshen-ketone、 Danshen-Quinone). Applying L-Arginine methyl ester to pregnant rats by I. P to make Nitrogen Oxide Synthesis blocking models (uterus-placenta-fetus lacking blood and oxygen model or pregnant hypertension syndrome model). On day 12, 18 of pregnancy paunched the rats and took out the fetus and placenta/uterus. Measured the basal BP during pregnant period and BP、protein、basal activity each day. Observed placenta/deciduas ultramicroscopic structure by electron microscope and took count of languishment cells. Measured the expressive intensity of bcl-2、Bax of placental nutrient cells by SABC method.

一氧化氮合成酶阻滞剂L-精氨酸甲酯妊娠大鼠腹腔给药，制作一氧化氮合成阻滞模型（子宫-胎盘-胎儿缺血缺氧或妊娠高血压模型），妊娠第12、18天剖腹取胎、胎盘／子宫，妊娠期测基础血压，每日测血压、蛋白质量、基本生理活动；电镜观察胎盘／蜕膜超微形态结构，并进行细胞凋亡计数；免疫组化检测胎盘滋养细胞bcl-2、Bax表达强度；原位杂交法检测胎盘滋养细胞、血管内皮细胞VEGF、eNOS、iNOS、MCP-1、MMP9（基质金属蛋白酶9）mRNA表达。

The study has indicated that the adsorption capability of nitrobenzene transporting in silt medium is better than that in sand medium.

研究表明，硝基苯在淤泥介质中的吸附能力大于砂砾介质，其在淤泥介质中的阻滞系数为2.22，在砂砾介质中的阻滞系数为1.74。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。