Objective The aim of this paper was to investigate the reliability and validity of the Chronic respiratory disease questionnaire ( CRQ) in China.

A unified approach, named discretized boundary equation ( DBE) method, is introduced in this dissertation.

本文提出一种统一的离散化边界方程法。

Studies on the Synthesis of DBE Catalyzed by Heteropoly Acids

杂多酸催化剂的制备及混合二元酸二甲酯的合成工艺研究

However, the rate of whole small-bowel visualization was inferior to the DBE system.

然而，整个小肠的可视化比率仍然比双气囊小肠镜系统要差得多。

He listed 72 basins or areas containing known or suspected DBG, covering North America, South America, Europe, Asia-Pacific, South Asia, Middle East and Africa.

他列出了遍布北美、南美、欧洲、亚太、南亚、中东和非洲的72个存在和可能发育深盆气的盆地或地区。

Law ( 2002), in his article entitled" Basin-centered Gas Systems", discussed global DBG systemically.

Law在盆地中心气（Basin-centered gas systems）一文中对全球性深盆气作了系统论述。

The DBG signal processor's appliance in the plastic packaging machines

DBG工控信号处理器在塑料包装机上的应用

Cannot find or open a required DBG file.

找不到或法所需的dbg案。

With increase of infiltration temperature, the amount of CrW solute increases, which leads to the increase in hardness and breakdown voltage, but the decrease of electrical conductivity and chopping current on the condition of the same Cr content in the CrW/ Cu composites.

CrW/Cu复合材料中，对Cr含量相同的配比，随着熔渗温度的升高，基体中CrW固溶体增多，材料的硬度、耐电压强度升高，电导率、截流水平则降低。

In this thesis, the Canard Rotor/ Wing ( CRW) Aircraft is selected as the object of study. In response to the complicated characteristics of its flowfield, a CFD numerical simulation method for the CRW flowfield is established based on the momentum source model.

以鸭式旋翼/机翼飞行器（CRW）为研究对象，针对CRW复杂流场结构的特点，建立了一套基于动量源模型的鸭式旋翼/机翼飞行器流场及气动特性的CFD分析方法。

At present, however, the researches about the healing mechanism of the combined radiation-wound injury ( CRW) were limited to the processes of wound healing. The effect of radiation-induced immunomodulation function damage on wound healing is still indefinite.

然而，目前对放创复合伤难愈机制的研究仅限于创伤愈合过程的研究，而辐射所致机体免疫调节功能损伤对创伤愈合的影响尚不明确。

Our previous study showed that recombinant plasmid carrying with human hepatocyte growth factor ( pHGF) can promote CRW healing, however, the mechanism of promoting CRW healing by pHGF has not completely elucidated.

目的：本实验室前期研究表明，携带人肝细胞生长因子的重组质粒（pHGF）对放创复合伤具有很好的促愈作用，但其促愈机理尚未完全阐明。

By this method, the characteristics of CRW flowfield in hover and forward flight are investigated. Also, preliminary investigations are conducted to simulate the flowfield of CRW at transition state.

应用该方法研究了悬停及前飞状态下该飞行器的流场特性，并对过渡状态下的旋翼非定常流场进行了初步的数值分析。

First, on the basis of production function theory and under CRW hypothesis and CRTS hypothesis, this paper puts forward the method of measuring technical progress bias of Chinese industry.

首先，本文以生产函数理论为基础，在固定规模报酬和固定实际工资率的假定下，给出了技术进步偏向的测定方法。

Study of the CRW and the Cropland Soil Moisture Content Forecast under Mulched Drip Irrigation on BP Neural Network

基于BP人工神经网络的膜下滴灌作物水分响应及农田墒情预报模型研究

Besides, the arrival of multi-core platform brought new challenges to the existing DBT technology.

此外，多核时代的到来也给现有的动态二进制翻译技术提出了新的挑战。

Selective adsorption of DBT by pillared clays from model diesel oil

负载型层柱黏土对模拟柴油中二苯并噻吩选择吸附性能的研究

Then, we use the DBT algorithm to calculate the template fingerprint feature.

然后，本文采用了DBT算法来计算模板的指纹特征。

The effectiveness of DBT has been assessed in two major trials.

DBT的有效性已经经过两项主要实验的评估。

The concentration of excess oxygen in CSZ was found to be proportional to the content of iron oxide within experimental error.

发现在CDZ中过剩氧浓度与杂质氧化铁的含量成正比。

Development and application of non-formaldehyde dye fixative agent CSZ

无甲醛固色剂CS的研制与应用