Objective To evaluate MR hydrography ( MRH) in diagnosis of biliary and urinary tract obstruction.

Conclusion MRH examination has a high accuracy rate in diagnosing the site of biliary and urinary tract obstruction.

结论MRH检查成功率高，对胆道和尿路梗阻的定位诊断准确。

Objective To evaluate the value of clinical application of magnetic resonance hydrography ( MRH).

目的评价磁共振水成像技术（magnetic resonance hydrography，MRH）在临床诊断中的应用价值。

The theory and method for the digital MRH and S shaped speed curve are also introduced here.

对数字式MRH及S形速度曲线的原理与实现方法作了概要介绍。

Digital MRH Controller and the Theory of S Shaped Speed Curve

数字式MRH主令控制器和S形速度曲线的原理

Mnh. I always hated biology.

我一直很讨厌生物课

Then there are the Japanese: Mitsubishi makes some chunky bits for planes but aspires to sell a complete flying machine of its own. However, its MRJ, yet another contender for the regional-jet market, has just been delayed.

再看日本：生产大件飞机零件的三菱公司（mitsubishi）却渴望能出售整架自己生产的飞机，然而生产自己研发的mrj支线喷气式客机市场里另一竞争者的计划却刚被推迟。

Based on the MBR and the direct query predicate, this paper proposes a weighted processing method which mainly contributes to optimize the filter step of the multi-way R-tree join and extends the structure of R-tree and the MRJ algorithm.

基于MBR及直接查询谓词，提出了能够优化多路R树连接筛选阶段的加权处理方法，扩展了R树结构及MRJ算法。

The purpose of this study which prospectively applied HRCT and MRJ was to analyze the imaging features of various cystic lesions with different pathologic nature and biologic behavior of the jaw.

本研究拟通过前瞻性地应用HRCT及MRI检查，分析不同病理性质及生物学行为的颌骨囊性病变的影像学特征；

Methods: Sixteen New Zealand white rabbits were implanted with Vx 2 tumor in the left lobe of liver. MRJ and DSA were performed after 2-3 weeks.

方法：新西兰兔20只，Vx2瘤块剖腹接种于兔肝左叶，2～3周后行MR扫描、DSA造影。

The order is the first for the MRJ, a 70-90 seat regional jet to be built by Mitsubishi with government funding.

三菱重工将在政府的资助下，生产70至90座的MRJ支线客机，而全日空的订单是该飞机的首批订单。

Pathological Mechanism and CT/ MRJ Evaluation of Pleural Indentation in Peripheral Bronchogenic Carcinoma

周围型肺癌胸膜凹陷征形成的病理机制及CT和MRI评价

The MNJ has also begun launching attacks against military and mining targets in which more than 30 soldiers have been killed.

尼日尔人争取正义运动还开始袭击军事目标和采矿目标，已造成逾30名士兵死亡。

The IPS study shows that GE ( GE), Microsoft ( MSFT), Merck ( MRK), and Cisco ( CSCO) have nearly$ 250 billion in offshore income.

美国政策研究所的研究显示，光通用电气（GE）、微软（Microsoft）、默克（Merck）和思科（Cisco）就有近2500亿美元的海外利润。

Soil non-exchangeable K ( NEK) and mineral K ( MRK) were the main sources from which the absorbed K was in wheat.

土壤非交换性钾和矿物钾是冬小麦吸收钾素的主要来源。

Hassan is the former chairman and CEO of Schering-Plough, now part of Merck ( MRK).

哈桑是灵葆雅（Schering-Plough）的前董事长兼CEO，现在该公司已被默克（Merck）收购。

Markarian 478 ( Mrk 478) is one of the prototype narrow line Seyfert 1 galaxies.

Markarian478是典型的窄线赛弗特I星系之一。

We present far ultraviolet spectra of Mrk 478 obtained in 2001 January with the Far Ultraviolet Spectroscopic Explorer.

本文展示了在2001年1月利用远紫外光谱探测卫星（FUSE）观测到的Markarian478的远紫外光谱。我们的光谱覆盖了915&Aring；

To mark revisions, double-click "MRK" on the status bar.

双击状态栏中的修订可标记修订位置。

Asymptotic stability of MRK methods for system of delay integro-differential equations

延迟积分微分方程多步RK方法的渐近稳定性

Polymorphism Analysis of the MSTN Gene Digested with Mnl ⅰ in Main Native Goat Breeds of China

我国主要地方山羊品种MSTN基因的MnlⅠ酶切多态性分析