查询词典 basic research

This study was to investigate the impact of all-trans retinoic acid on the gene expression profile of glioblastoma cell line SHG-44, and to provide basic data for further research on gene therapy for human astrocytoma.

本研究旨在检测全反式维甲酸(all-trans retinoic acid， ATRA)处理后胶质瘤SHG-44细胞的基因表达谱改变，为进一步研究胶质瘤的基因治疗奠定基础。

The article starts with the principle of pulse combustion heating furnace, on the basis of mastering the theory of pulse combustion, do research on the basic structure and principle and provide zero-dimensional thermal model of heating furnace system.

本文从脉动燃烧加热炉工作原理入手，在掌握脉动燃烧理论基础上，研究脉动燃烧加热炉基本结构和工作原理，给出加热炉系统零维热力模型。

Firstly, deep research of the basic theory about software radio and the Remote Control and Telemetry system had been done.

首先，深入研究了软件无线电理论基础、系统结构以及遥控遥测系统的组成及理论基础，提出了一种易于采用软件无线电技术的QPSK的调制解调方案。

Based on its present status, a three-layer wheel-shaped conceptual framework is put forward, which is composed of a conception level, an enabler level and an infrastructure level. In the first level, the connotation, elements, classification, basic characteristics, research contents and operation obstacles of reverse logistics are addressed in detail.

分析了概念框架的研究现状，提出了一种具有概念层、使能层以及支撑层三层结构的轮形逆向物流概念架构；概念层详细论述了逆向物流的基本内涵、组成要素、分类、主要特征、研究内容以及实施障碍。

The research results offer basic indicators of resistance to aphid for identifying resistance wheat varieties and theory warranty for breeding of wheat resistance to aphid and intergrate aphid management.

研究结果为小麦品种的抗蚜性鉴定提供了初步指标，为小麦抗蚜育种和麦蚜的综合治理提供了理论依据。

The study on methods and applications of road passenger transport hub theory and its general layout planning makes the work of layout planning more standard and scientific. It will provide scientific basis for road passenger transport hub layout planning, make hub layout more scientific, rational and make full use of the transport hub. The study will help coordinate the hub and other passenger transport way, promote the city's and the region's economic development. The research improves the planning level of road passenger transport hub's basic facilities and advances the modernization of traffic planning works. The study has important theoretical significance and practical value.

对道路客运枢纽理论及总体布局规划方法和应用的研究具有一定的理论意义和实用价值，一方面它有利于推进道路客运枢纽布局规划的规范化和科学化，为道路客运枢纽布局提供科学依据，使布局更加科学合理，有效发挥道路客运枢纽的功能，使其与其它客运方式有机协调，促进枢纽所在城市和区域社会经济的发展；另一方面它有利于促进和提高客运基础设施的规划水平，推进运输规划工作的现代化。

In this paper, the author does some exploratory research on the basic theory of the developing way of freight transportation based on the theory developing way of economy and transportation development theory.

本文以经济发展方式理论和交通运输发展理论为基础，对货物运输发展方式基础理论进行了探索性的研究。

However, in existing research, though there are considerable relational theories of the freight transportation\'s development, systematic study of the developing way of freight transportation especially the basic theory is so few that it needs a breakthrough.

然而，纵观现有研究，尽管有关货物运输发展的理论相当多，但对货物运输发展方式进行系统研究的很少，尤其是基础理论十分匮乏，亟待突破。

This research first by Pozzolanic activity index test for water-quenched slag from plasma was used as water-quenched slag concrete basis of the mechanical properties. The experimental project includes: basic mechanical properties experiment, optics microscopy examination, X-ray diffraction, and freeze-thaw test.

本研究首先以水淬熔岩卜作岚之活性指数反应作为水淬熔岩混凝土力学性质之依据，试验项目包括：基本力学性质试验、OM检测、X光绕射分析及冻融循环耐久性试验。

But utility time of this technology is not long at home, in addition, the majority of equipment is two-hand at home, and the craft technology was not introduced with it, so the people's understanding is limited to cast the copper alloy blank using the horizontal continuous casting method, the basic data lacks extremely, the copper alloy materials blank's quality is unstable, more than all, the research to the key component Graphite Crystallizer is insufficient, it affected the application of horizontal continuous casting in a certain.

但这一技术由于国内使用的时间不长，加之国内引进的大多数是二手设备，对工艺技术没有进行引进，因而人们对铜合金带坯的水平连铸生产方法认识有限，基础资料十分缺乏，生产的坯料质量不稳定，特别是对关键部件石墨结晶器研究不够深入，在一定程度上影响了水平连铸方法在铜合金带坯生产中的应用。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。