With the rapid progress of urbanization and the decrease of the utilizable tracts in hangzhou , the tracts in the suburbs have been paid more attentions 随着杭州城市化进程的加快和城市中可利用土地资源的减少，郊区成为开发热土。
2.
It has been proved by preliminary field tests that the system with its application programs is more utilizable , reliable and safety than other traditional protective systems 磁力控制站的初步运行表明：该测控系统集保护及汉字显示于一体，具有传统保护系统无法比拟的实用性、可靠性和安全性。
3.
The performance tests and parameter measurements of mcs is carried out in our labtory . it has been proved by the test that the mcs with its applied program is utilizable , reliable and safety 新设计的测控系统在实验室进行了性能试验和参数测量，实验表明：该测控系统集保护、汉字显示于一体，具有一定的实用性、可靠性和安全性。
4.
The paper has put forward and testified four utilizable aggregate gradation . because the method of preparing samples has certain effect on material property parameter of mixture , the paper recommend static preparing method be adopted 试件成型方法对大孔隙水泥稳定碎石混合料的材料性能参数有一定的影响，本文推荐室内试件成型方法为静压成型。
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In this thesis , we first compile some utilizable parts of boolean algebra theory , which are the fundamental objects : the structure of boolean algebra , the boolean functions , the boolean equations , and the boolean matrices 本文编写整理了布尔代数理论中较为实用的部分，主要包括布尔代数结构、布尔函数、布尔方程、布尔矩阵等方面的基础内容。
6.
Genre analysis " not only reveals the utilizable form - function correlation but also contributes significantly to our understanding of the cognitive structuring of information in specific areas of language " ( swales , 1991 ) Swales认为体裁分析不仅能从实用角度揭示语言形式和功能之间的相互关系，而且对于人们理解特定领域中语篇信息组织的特有认识结构有极大帮助。
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E . coli is capable of metabolizing both hexose and pentose sugars , but it lacks pdc - adh ii system . however , , zymomonas mobilis is able to produce ethanol efficiently by an overactive pdc - adh ii system , but its utilizable substrate range is restricted to glucose and fructose 大肠杆菌含有同化戊糖和己糖的所有必需酶，但缺乏pdc - adh系统，只能生成非常少的酒精。相反，运动发酵单胞菌具有较强的pdc - adh系统，能很好地发酵生成酒精，但只能利用葡萄糖和果糖。
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Firstly the basic property of urban gas as natural monopolized industry and the regulation system of the government is discussed . secondly experience is drawn form analyzing the practice of reformation for urban gas in developed countries oversea , and this experience is valuable and utilizable . thirdly this article goes deep into the current situations of the development of native urban gas , and reveals the maladies of the current regulation system , then points out the objective necessity of the reformation for urban gas to meet the needs of wto , to across - the - board construct the well - to - do society , to expand the reform extent of the economy system 本文首先对城市燃气作为自然垄断产业和城市公用事业的基本属性和政府规制的基本理论进行了阐述;其次比较分析了国外发达国家城市燃气产业规制改革的实践,总结了规制改革的经验,接着对国内城市燃气产业的发展现状、现行规制体制存在的弊端以及城市燃气产业规制改革的目标和基本思路进行了深入的分析;最后提出我国城市燃气产业规制体制改革的政策建议。
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Aiming at developing a energy analysis software for petroleum produce which have scientificity , practicability , dependability , this article proceed the energy analysis of the main systems and equipments in production process of oil field enterprise , and then make it visual and utilizable through the computer program , achieve the combination of energy analysis and computer program 本文以开发出一套兼具科学性、实用性、可靠性的《石油生产耗能分析软件》为目的，对油田企业生产过程中各主要系统及设备进行了用能分析，并通过计算机程序编制使其可视化、实用化。达到了用能分析与计算机程序的有机结合。
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( 3 ) the idea suggested in this paper of converting flood into utilizable resource 、 attempering flood by engineering means and supervising human behaviors in the flooded area . to overcome the various barriers arising from ideology 、 systems 、 technology and economy which the establishment of risk management system of flood will be confronted with , this paper also suggests a statistical approach to estimate extremum and the concept of gray - uncertainty risk in figuring flood risk and analyses the severe harmfulness of accidents of extremum risk , furthermore , supplements and perfects present quantity - analyzing method of risk loss 3 、本文提出洪水资源化的观念，以工程手段对洪水进行调节，以法律、行政、经济、教育等综合性的手段对人类在洪泛区中的行为进行管理，是削弱洪水的危害性、减轻洪水风险的有效方式，提高的防洪安全保障需求，实行洪水风险管理是必由之路。洪水风险管理体制的建立必然面临观念方面、体制方面、技术方面与经济方面的重重障碍，并提出洪灾风险评价的极值统计学方法和灰色-随机风险率的概念，建立了其表达形式与计算方法，它完善了现有的风险损失量化方法。
