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As power market reformation carries on, power grid is in difficult status at the aspects of modulating peak effectively, operating safely and stably and supplying power reliably. Pumped storage power station has an important effect on safe, stable and economical operation of power grid. Research on benefit's comprehensive evaluation and operation mode of pumped storage power station is the avant-courier and difficulty in the domain of technology economy and management, which has important theory research value and practical significance.

随着我国电力市场改革,电网的调峰、安全稳定运行和可靠供电面临更为严峻的形势,抽水蓄能电站对电网安全、稳定和经济运行发挥着重要的作用,对抽水蓄能电站的效益综合评价和运营模式进行研究是目前国际上技术经济及管理研究的前沿问题之一,也是难点问题之一,具有重要的理论研究价值和实际意义。

The main research results in this dissertation can be given as following:Firstly, the bidding strategies and affections of generation companies on the TOU power price are analyzed; Supply function model is employed to simulate the bidding strategies of generation companies in power pool. Some meaningful results are obtained through the proposed equilibrium equations model, when different bidding parameters are selected to maximize profit of suppliers, such as the the numeral of generation company, the block bidding, and power demand elasticity. Based on these results, the affections between the bidding strategies and the TOU power price are discussed.Secondly, the important principles consider the factor of bidding strategies of generation companies and consumers gaming strategies are proposed to constitute the new TOU power price model under present electricity market. Based on these pricinples a new mathematical model of TOU power price is constructed, to evade electricity market risk, partition the peak-valley, ascertain the consumers' response curve, and protect the ambilateral profits.Thirdly, the affections of the TOU power price strategies for reducing the network loss, adjusting node voltage, improving load curve of power system, and protecting the consumers' benefits in electricity market are analyzed with applications of a city real time load data of Jiangsu province.

针对"厂网分开,竞价上网"的电力市场运营模式,本文主要完成了以下研究工作:1研究了发电商不同的竞价上网策略,利用供给函数均衡方法,建立了发电商的竞价上网策略模型,给出了市场均衡解的具体解法;讨论了不同条件下发电商的竞价策略对市场的影响,并获得了发电商的最优上网竞价策略,明确了竞价上网与峰谷分时电价之间的影响因素;利用电力系统负荷曲线,建立了发电商最优竞价策略与峰谷分时电价之间的相互联系,通过仿真算例分析了峰谷分时电价与发电商最优报价之间的相互影响。2提出了"厂网分开,竞价上网"电力市场模式下,考虑发电侧竞价和用户侧博弈等风险因素影响,峰谷分时电价理论建模在规避电网企业运营风险,保护供电方与用户双方的利益、确定用户响应曲线、划分峰谷时段、设置合理的电价拉开比等方面所应遵循的基本原则,在此基础上建立了适合电力市场模式的峰谷分时电价模型。3从原理上分析了需求侧实行峰谷分时电价策略,对削峰填谷,提高负荷率,改善负荷曲线形状,降低电力系统的电能损耗和电压损耗等方面的影响,并进行了仿真验证。

As the track space increasing, the holding power which flexible holding parts act on sugarcane is dropping off. As the canvas layers and length of flexible holding part increasing, the track space is also increased when flexible holding parts act on sugarcane same holding power. As the length of flexible holding part increasing, the rate of slope of holding power following the track space to change would be decreased, so holding power would vary slowly. The holding power has a better linear relationship with the track space. Holding sugarcane stalk on knot or not on knot, sugarcane stalk having leaves or without leaves, the holding power would have not significant difference. Considering the structure of device and stress of sugarcane, 4-layers canvas conveyer belt was used as flexible holding part, while its length is 120mm, 160mm, or 200mm, the corresponding maximum track space is 135mm, 183mm, or 235mm. Experimental investigation of sugarcane windrowing was done on the arc-track-type flexible holding and conveying test mechanism.

随着轨道间距的增大,柔性夹持元件施加给甘蔗的夹持力逐渐减少;施加给甘蔗相同的夹持力,随着柔性夹持元件帆布帘层数和长度的增加,对应的轨道间距增加;随着柔性夹持元件长度的增大,柔性夹持元件施加给甘蔗的夹持力随轨道间距变化的斜率减小,夹持力大小的变化越缓慢;柔性夹持元件提供的夹持力与轨道间距均呈线性关系;柔性夹持元件夹在甘蔗节上还是不夹在节上,甘蔗有叶还是无叶,其施加给甘蔗的夹持力无显著差异;从夹持输送装置结构以及甘蔗的受力情况来考虑,选择4层帆布帘输送带作为柔性夹持元件更能平稳、柔和地夹持输送甘蔗,4层帆布帘120mm、160mm、200mm长的柔性夹持元件夹持甘蔗所需最大轨道间距为135mm 、183mm、235mm。

Nietzsche"s political philosophy is not piled up a dish of messy sand by maxim form, the writer thinks that Nietzsche"s political construction has his continuous logicality. It"s an expression of political philosophy that is constructed on the base of force will and life will, it makes life reach at a transitional bridge that can supply condition for the salvation of art. Thus, there are three understandings here. Firstly, politics is an objective expression of power will, also is an external expression of power will. The real politics depends on power will and services to their requirement and regulation; Secondly, the life faces on the double crises, on the one hand, the life falls into denial of Christian morality. Morality of Christianity presumes another world that life never touch for. This is world of soul belief and pursue, meanwhile, life is depreciated and degenerated as "evil", so the value of life suffers from misunderstanding and denial. Things of presence are subverted as things of exeunt."Uprising of slave in morality" results in the denial of ",master morality, at the same time, although modern democratic politics that based on morality of Christianity makes person return secular life and makes life identity and trite. This kind of politics creates privation of special vulture and race. On the other hand, internal requirement of power will results in the crisis of life because the characteristics of power will is continuous making and destroy.

尼采的政治哲学并非是以格言形式堆积而成的一盘散沙,笔者认为,尼采的政治建构有其一贯的逻辑性,体现为其政治哲学是建构在强力意志或生命意志基础上的并使生命达至艺术拯救提供条件的一座过度性桥梁,对此有三层理解:首先政治是权力意志的一种客观体现,是全力意志的一种外化,真正的政治必须立足于权力意志之上并服务于其要求和规定;其次,生命面临着双重危机,一方面,生命陷入基督教道德的否定之中,基督教道德设定了一个生命遥不可及的彼岸世界,这是灵魂信仰和追求的世界,同时生命被贬堕为"恶",这样,生命的价值遭到误解和否定,在场的事物被颠覆为退场的事物,"主人道德"被否定,这是"道德上的奴隶起义"的结果,同时基于基督教道德之上的现代民主政治虽然使人回到了尘世,但是又将生命齐一化和平庸化,造成特殊文化和特殊种族的缺位,而正是这种文化和这种种族才能真正地肯定生命;另一方面,生命的危机是权力意志内在的要求所致,因为权力意志的一个特质就是连续地生成和毁灭,就生命本身就是权力意志而言,毁灭就是其必然的命运。

For the principal component, namely the voltage stability analysis function, three kinds of nodal injection power modes are defined, i.e., the random varying direction of load, the response setting direction of generator and the ratio of active power component to reactive power component in load power, and a continuous power flow model that is easy to utilize and comprehend by dispatching center is built, based on this model three kinds of formulae to calculate the sensitivities of loading margin with respect to three kinds of nodal injection power modes are derived respectively, and on this basis the influence of nodal injection power mode on loading margin can be analyzed in order that the voltage collapse can be avoided by fast implementing early warning of voltage stability and adopting effective corrective control.

文章针对N-EMS的主要组成部分--电压稳定分析功能,定义了3类节点注入功率模式:负荷的随机变化方向、发电机的响应设定方向、负荷的有功和无功比例,建立了易于被调度中心运用和理解的连续潮流模型,在此模型基础上分别推导得到负荷裕度对3类模式的灵敏度公式,据此分析节点注入功率模式对负荷裕度的影响,以便能够快速进行电压稳定预警和采取有效的校正控制来避免电压崩溃。

The main content of this dissertation includes: 1. Research on the theory of ultrasonic power supply, introduce its development process. On the basis of these, fix on the scheme of medical ultrasonic low-power supply. 2. According to the principle of modularized design, divide medical ultrasonic low-power supply into four parts. They are power amplify circuit, power control circuit, frequency automatic tracking circuit and matching circuit. Separately research on their theories and design their circuits and necessary programs, especially, effectively resolve the problem tracking the supersonic vibration system with a narrow syntony frequency bandwidth and a high swing. 3. The matching experiments gain good result, and prove that medical ultrasonic low-power supply is entirely up to the mustard on intellectualization, wide band of working frequency, steady output and high efficiency.

本文工作的主要内容包括: 1、研究了超声功率电源的原理,并回顾了它的发展过程,在此基础之上确定本文医用小功率超声电源的设计方案; 2、按照模块化的设计原则,将医用小功率超声电源的设计分解为功率放大电路、功率控制电路、频率自动跟踪电路和匹配电路等四个部分,分别研究了各部分的原理,在此基础之上进行了具体的电路设计和程序设计,尤其是有效地解决了对谐振频率带宽窄振幅高的超声振动系统的频率跟踪问题; 3、通过与超声振动系统的各项配合实验,取得了很好的实验结果,验证了医用小功率超声电源完全满足智能化、工作频带宽、输出功率稳定、输出效率高的设计要求。

In recent years, the products sell well in all my works more than 20 provinces, cities more than 100 units. Since 2004 Zhejiang usha Hill Power Plant, Huaneng Shantou Power Plant, Power Plant Chiuchow, Jiangsu Taicang Power Plant, Sanmenxia Power Plant, Jiaxing Power Plant, Inner Mongolia Tuoketuo power plants, the first thermal power plant in Baotou, Beijing Thermal Power 1 Factory, Yimin Power Plant in Inner Mongolia, China Datang Group, Xiangtan Power Plant, Thermal Power Engineering Corporation, Guangdong door to power plants, Thermal Power Engineering Corporation, Guangdong branch in Zhuhai, Guangdong Thermal Engineering Corporation Huilai electricity branch, the People's Republic of Mongolia Ulan Bartok thermal engineering for more than 600,000 kilowatts generating units, as well as steam ha,, North pot, pot up, Wuxi Boiler Factory, Yantai Boiler plant 200MW-1000MW units provide high-pressure alloy pipe fittings and the main steam, reheat steam Factory of piping; for Qilu Petrochemical, Baling Petrochemical, Yanshan Petrochemical, Yangzi Petrochemical, Qingdao large oil refineries, the Shenhua coal-oil, Yangzi Petrochemical - BASF Ltd. 800,000 tons / year ethylene project in Cangzhou Refinery, Shijiazhuang Refining Plant, Jiuquan Satellite Launch Center on the 10th works, the United States Motorola, The Great Wall Aluminum Company, Tianjin Tiantie Metallurgical Group Co., Ltd., Jiaozuo of Electricity Group, Aerospace Group, products are also exported to Kazakhstan, Japan, Bangladesh, Philippines and Thailand country.

近几年来,我厂产品畅销全国20多个省、市100多个单位。04年以来为浙江乌沙山电厂、华能汕头电厂、潮洲电厂、江苏太仓电厂、三门峡电厂、嘉兴电厂、内蒙古托克托发电厂、包头第一热电厂、北京热电一厂、内蒙古伊敏发电厂、中国大唐集团湘潭电厂、广东火电工程总公司可门电厂、广东火电工程总公司珠海分公司、广东火电工程总公司惠来分公司、蒙古人民共和国乌兰巴托热电工程等60万千瓦以上发电机组、以及哈汽、武锅、北锅、上锅、无锡锅炉厂、烟台锅炉厂200MW-1000MW机组提供高压合金管件及主蒸汽、再热蒸汽工厂化配管;为齐鲁石化、巴陵石化、燕山石化、扬子石化、青岛大炼油、神华煤制油、扬子石化-巴斯夫有限公司80万吨/年乙稀工程、沧州炼油厂、石家庄炼油厂、酒泉卫星发射中心十号工程、美国摩托罗拉公司、长城铝业公司、天津天铁冶金集团有限公司、焦作化电集团、宇航集团,产品还出口到哈萨克斯坦、日本、孟加拉、菲律宾及泰国等国家。

The main research results in this dissertation can be given as following:Firstly, the bidding strategies and affections of generation companies on the TOU power price are analyzed; Supply function model is employed to simulate the bidding strategies of generation companies in power pool. Some meaningful results are obtained through the proposed equilibrium equations model, when different bidding parameters are selected to maximize profit of suppliers, such as the the numeral of generation company, the block bidding, and power demand elasticity. Based on these results, the affections between the bidding strategies and the TOU power price are discussed.Secondly, the important principles consider the factor of bidding strategies of generation companies and consumers gaming strategies are proposed to constitute the new TOU power price model under present electricity market. Based on these pricinples a new mathematical model of TOU power price is constructed, to evade electricity market risk, partition the peak-valley, ascertain the consumers' response curve, and protect the ambilateral profits.Thirdly, the affections of the TOU power price strategies for reducing the network loss, adjusting node voltage, improving load curve of power system, and protecting the consumers' benefits in electricity market are analyzed with applications of a city real time load data of Jiangsu province.

针对&厂网分开,竞价上网&的电力市场运营模式,本文主要完成了以下研究工作:1研究了发电商不同的竞价上网策略,利用供给函数均衡方法,建立了发电商的竞价上网策略模型,给出了市场均衡解的具体解法;讨论了不同条件下发电商的竞价策略对市场的影响,并获得了发电商的最优上网竞价策略,明确了竞价上网与峰谷分时电价之间的影响因素;利用电力系统负荷曲线,建立了发电商最优竞价策略与峰谷分时电价之间的相互联系,通过仿真算例分析了峰谷分时电价与发电商最优报价之间的相互影响。2提出了&厂网分开,竞价上网&电力市场模式下,考虑发电侧竞价和用户侧博弈等风险因素影响,峰谷分时电价理论建模在规避电网企业运营风险,保护供电方与用户双方的利益、确定用户响应曲线、划分峰谷时段、设置合理的电价拉开比等方面所应遵循的基本原则,在此基础上建立了适合电力市场模式的峰谷分时电价模型。3从原理上分析了需求侧实行峰谷分时电价策略,对削峰填谷,提高负荷率,改善负荷曲线形状,降低电力系统的电能损耗和电压损耗等方面的影响,并进行了仿真验证。

According to the research object and core, the competitory power of bio-industry, this thesis was unfolded from four aspects: Firstly, we put forward the competitory power of bio-industry theory, its concepts and categories, analytical frame and theories structure from analyzing its influence and determinant system; Secondly, appraisal models, based on deciding factors, composing factors and realizing factors, were respectively established, by using related mathematics method, cooperate theories, management and economics theories; Thirdly, according to the research on life cycle of bio-industry, we analyzed the characteristics and countermeasures of its competitory power changing at different stages; Fourthly, we focused on the core carrier of the bio-industry andits competitory power--the bio-industry cluster (life science industry park and biologicvalley), the bio-industry cluster theories and the park-area competitive factors and the capital market and the financing competition which are important drive factors of the competitory power of bio-industry. Firthly, making use of the evaluation model of bioindustrial competition ability, we carry on bioindustrial competition ability comparison of the United States and Chinas, and evaluate a substantial evidence.

针对本论文的研究对象和研究核心——生物产业竞争力,从五个方面展开研究:一是构建生物产业竞争力理论,提出和界定生物产业竞争力的概念和范畴,从影响和决定因素系统分析入手,研究生物产业竞争力的分析框架和理论结构;二是创建生物产业竞争力分析评价指标体系与模型,运用相关数学方法、协同理论、经济学和管理学理论,以生物产业竞争力的决定因素、构成要素和实现要素为依据,分别建立分析评价模型;三是研究生物产业竞争力生命周期,针对生物产业发展的不同阶段和特点,分析生物产业竞争力变化特点和应对策略;四是研究生物产业及其竞争力的核心载体——生物产业集群(生命科学产业园、生物谷),研究生物产业集群理论和园区竞争要素,对生物产业竞争力的重要驱动因素——生物产业资本市场和融资竞争,进行分析探讨,并提出生物产业竞争的战略路径。

The results of the present research are as follows, The correlation between physico-chemical properties of organic compounds and their competitive power was studied, and it was indicated that organic compounds preferable to form H-bonding with organic matter of sorbents have stronger competitive power; Sorption behaviors of ionizable organic compounds in different species and their competitive power were examined, and the results showed that phenols and carbonxylic acids with benzyl circle have much stronger competitive power in molecular species than in ionized species, because negative charges of anionic forms can depressed their adsorption on the surface of the sediment; in contrast, organic bases such as aniline and p-chloroaniline show weaker competitive power in molecular species than in ionized species, and this is because both species of the organic bases could adsorb strongly onto the sediment; there is a correlation between competitive power of organic pollutants in multi-solute systems and their sorption isotherm nonlinearity in single-solute systems, and organic compounds whose sorption isotherms is linear in single-solute systems hardly have competitive power in multi-solute systems; Competitive sorption effects in more than two-solutes systems was studied, and it was exhibited that mixture of two cosolutes each of which could suppress sorption of nominal solute onto the sediment had synergistically competitive sorption effect on the nominal solute; A method about incorporating sorption/desorption of organic pollutants into river water quality model was developed, and discussion about degree of sorption/desorption effect on model prediction for different organic compounds was made, which will provide theoretical basis and practical processes for setting up more accurate water quality model.

论文主要取得了以下研究成果。(1)有机化合物的吸附竞争能力与其物化性质具有相关性,易与沉积物有机质形成氢键的化合物其竞争能力也比较强;(2)可离子化有机化合物的吸附竞争能力与其存在形态有关。酚类、含苯环的羧酸类化合物,其离子态的吸附竞争能力远小于分子态,其机理为有机酸阴离子所带的负电荷抑制了表面吸附能力,主要发生分配作用;而苯胺类化合物,其离子态和分子态都表现出显著的竞争能力,而且离子态的竞争能力略强于分子态,原因在于有机碱阳离子所带的正电荷促进了其表面吸附能力;有机化合物竞争能力的强弱与其单组分吸附等温线的非线性程度具有一定的相关性,吸附等温线近似为线性的化合物没有或只具有微弱的竞争能力;(3)对目标有机化合物的吸附具有竞争效应的有机化合物混合后,将对目标有机化合物的吸附产生协同竞争效应;(4)以京杭运河为例,率先提出了将有机污染物的吸附/脱附作用及水文水力参数耦合到水质模型中的方法,并讨论了吸附/脱附作用对不同有机污染物预测模型的影响,为建立更准确的水质模型及进行更客观的风险和生态评估提供了参考依据。

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相关中文对照歌词
Power On Me
You Have A Power On Me
推荐网络例句

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。