查询词典 tubular

The flow model of single phase flow in the straight tube of the vertical tubular leacher was studied by using NaCl solution tracing and microcomputer sampling.

采用盐水示踪、微机采样来研究垂直管道浸取器直管内单相流的流动模型。

The patent paraumbilical vein is echo free tubular structure and continuous with the left portal vein, it also can be enhanced as a vascular structure in CT scan though it revealing a hypodense structure before contrast injection and simulating a hepatic tumor.

当门静脉压增高时，脐旁静脉变粗形成一侧枝循环，上述结构以超音波扫描时为一管状无回音之结构；以电脑断层扫描时，在注射对比剂前似一低密度之病灶，但在注射对比剂后其密度增高非常明显，可高达100Hu，显示其为血管构造。

But because of their tubular product defect, easy to produce and corrode, get rusty, marry dirt, leaks and all disadvantage of filling etc.s in using because of zinc-plated steel tube, Thus cause serious two pollution to water quality, microcosmic show as water sample large intestine liver fungus and total amount of bacteria exceed standard seriously, The phenomena, such as" yellow water"," black water"," red water",etc. appear on the macroscopic, water quality worsens; Because corrosion seepage has destroyed users inhabitting and working environment on the other hand, Interfere normal life , influence life quality of people , cause water resource enormous to waste, This require one new-type green one substitute products of environmental protection appear urgently.

但由于镀锌钢管因其管材自身的缺陷，在使用中易产生腐蚀、生锈、结垢、泄漏及诸塞等弊病，从而对水质造成严重的二次污染，微观上表现为水样大肠肝菌及细菌总数严重超标，宏观上出现"黄水"、"黑水"、"红水"等现象，水质恶化；另一方面因锈蚀渗漏破坏了用户的居住及工作环境，干扰正常生活，影响人们的生活质量，并导致水资源的巨大浪费，这就迫切要求一种新型的绿色环保的替代产品出现。

Large long-winged bird with hooked bill and tubular nostrils that wanders the open seas.

大型长翅、钩状嘴及管状鼻孔的鸟，栖息在远海。

NdFeB Bonded Magnet /Sintered Magnet; Magnetic Roller Separator; Magnetic Micro Separator; Magnetic Extractor; Tubular Fluid Magnetizer; Magnetic Sta...

粘结磁石/传动轴用磁环；烧结磁石；强磁滚轮分离机；强磁微粉分离器/强磁铁屑萃取器；省。。。

Methods From March,1994 to April,1998,video colonoscopies were performed and retrospectively analyzed in 1810 patients in order to determine the risk factors for oncogenesis Results There were 120 patients with 144 colorectal adenomas,malignantly transformated adenomas exceeded 2.0cm in diameter showed mainly Yamada type Ⅱ; 16.67% colorectal adenomas with malignant change were found,of which the frequency of malignant villous and tubular adenomas were 29.63% and 9.20% respectively.

回顾性分析和研究1994年3月至1998年4月期间我院电子结肠镜检出的大肠腺瘤的形态学和恶变过程中的主要危险因素。

The hollow space in the tubular separator housing (8, 8') is constantly under manometric pressure.

在隔离箱（8、8′）内的空腔一直处于工作压力下。

Objective To investigate whether mesenchymal stem cells can promote the recovery of acute renal tubular damage induced by mercuric chloride and to explore its possible mechanism.

目的 观察骨髓间质干细胞对氯化汞(HgCl2)导致的急性肾小管损伤有无治疗作用，并探讨其可能的机制。

Objective: To find an easy and effective way to treat the small tubular bone frature, especially open fracture of metacarpus head and phalanx head.

目的：寻求手部小管状骨折，特别开放骨折及掌、指骨头部粉碎性骨折的更为简便有效的治疗方法。

It is benefit to improve the level of designing this type and production efficiency if the thought of Finite Elements Method and Optimization Design combined with engineering analysis software is applied into development and design of Bulb Tubular Turbine-Generator.

由于我国开发贯流式机组较晚，机型以引进为主，多采用传统设计方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。