可行性

Feasibility study on application of DNA bar-coding technology in molecular identification of ScolytideaCO I gene of 15 bark beetle species collected from different regions and host is studied to discuss the feasibility of application of DNA bar-coding technology in Scolytidea molecular identification.

基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性研究通过对采自不同地区、不同寄主的15个小蠹虫样本的线粒体COⅠ基因研究，对基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性进行了探讨。

The main contents of this paper are asfollows: Programmed a software which is used in simulating the dynamic energyconsumption of buildings based on transferring function principle in the language ofvisual basic, at the same time compared with the traditional way of calculation ofenergy consumption in buildings to prove the correctitude of the software;Foundviable way of energy efficiency in buildings in the way of analyzing walls, windows,and many other aspect of structure of buildings, and using the software to analyzethe rate of the contribution of thermal quality to the energy consumption of buildings;Analyzed the rate of the contribution of the different weather to the energyconsumption of the existing dwelling in the way of calculating the energyconsumption in the whole year of the existing dwelling in two model cities choosefrom the region of north China and south China. Also is carrying on the contrast andviability assessments on the energy saving of the existing dwelling between northand southern region, getting the viability assessments and the conclusions inparticular data.

本文主要研究内容是：依据传递函数法原理应用Vb语言编写建筑物动态负荷仿真软件，并与传统负荷计算法进行比较，分析了程序的可靠性；从墙体，窗户及建筑结构的其它几个方面分析了建筑节能改造的一些可行性途径，并针对对建筑能耗影响较大的墙体与窗户就其热工性能的改变对能耗的影响应用程序进行了具体的分析；针对因地域性差异造成的气候差异对建筑节能措施效果的影响，就既有建筑的节能改造，分别选择华南华北地区的两个典型城市对其既有建筑节能改造前后的全年动态时时负荷进行计算，通过对比华南地区和华北地区的两个典型城市的既有建筑节能改造前后的能耗，及两城市节能改造后的节能效益，初投资回收期等方面，得出地域差异导致的气候差异对既有建筑节能改造的效果的影响的指导性结论及南北两地域既有建筑改造的量化结论和改造可行性的分析结论。

Concept of the feasible process graph for a part was defined and the mathematic model of multi-process routes decision-making problem was set up. Thus, the problem of multi-process routes decision-making was transformed into the problem of searching optimum path in this directed graph.

给出了零件可行性工艺路线图的概念，建立了多工艺路线决策问题的数学模型，从而将零件的工艺路线规划问题转化为对零件可行性工艺路线图中具备最优值的路径搜索和寻优问题。

This system has expansibility and feasibility in economy and technique.

本系统具有很强的扩展性、很高的技术可行性和经济可行性。

To cope with this challenge,changes must be made to the blindness and non-standardization in the process of feasibility study and decision making,so as to avoid the externalism when exercising the program for feasibility study,and replace the oversimplified method with s...

为应付这种挑战，必须改变过去我国汽车企业可行性研究及决策的盲目性及随意性，避免项目可行性研究的程序流于形式，用科学的决策方法代替简单的决策及分析方法。

The feasibility of investment in real estates is the important component of project feasibility study.

房地产投资可行性是项目可行性研究的重要组成部分。

It is put forward to fast discriminate and calculate the design feasibility of external gear shaper cutter s according to the limited area of displacement coefficient and with AutoCAD software.

提出利用变位系数选择的限制区域并结合AutoCAD设计软件实现对外插齿刀设计可行性的快速判别与计算，介绍了基本原理、插齿刀变位系数限制区域的确定和插齿刀设计可行性的判别方法。

First, the basic concept of VR and review of the present research method of architecture presentation are introduced, it proves that VR is necessary and reliable to represent architecture as a new method. Second, geometrical optimized method and texture optimized method are discussed specially, along with the analysis of characteristic of ancient and modern architectures. In the third part, the exhibition effect of optimized technique proved that the technique proposed in this dissertation is feasible and valid, which is applied in the Grand Leshan Buddha and Olympic Park separately.

全文分三部分，第一部分主要通过对虚拟现实基本概念的介绍和对已有建筑表现应用研究的简要回顾，阐明VR作为建筑表现新手段的必要性与可行性；第二部分则具体分析古代建筑与现代建筑特点，深入探讨几何优化建模与纹理优化建模；第三部分别结合乐山大佛古建筑群仿真案例与平度奥林匹克现代建筑仿真案例展示优化技术效果，充分证明本文提出的优化建模技术的可行性与有效性。

At present, the deficiency existing in the expressway project feasibility research of our country shows mainly: the inaccurate sureness of the construction scale and industrial grade, the scheme not proved and selected deeply and tightly, the insufficient economic analysis and appraised materials, the incredibility assessment, the improper work method of the feasibility research, etc..

目前，我国高速公路项目可行性研究存在的不足主要表现在：建设规模和技术等级的确定不准确，方案论证及比选不深入和不严密，经济分析与评价资料不足，评估的可信度不高，可行性研究的工作方法不当等。

The argumentation for an engineering project has been extended from feasibility to infeasibility study nowadays.

关于工程活动的论证的分析已经从"可行性论证"扩展到"不可行性论证"。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。