profi相关论文
Production sharing contracts have been used in the development of China’s offshore petroleum resources since 1982, but ......
From January to October,the industrial profits of enterprises above designated size achieved 4,944.68 billion yuan,a yea......
项目背景湘江水利枢纽位于中国的中部。它对本地区的运输、供水、防洪、宜居、旅游起着重要作用。其通航闸是第一个能够处理2000T......
Intrapartum maternal normoglycemia seems to play an important role in the prevention of adverse perinatal, maternal and ......
Shear wave velocity-based liquefaction evaluation in the great Wenchuan earthquake: a preliminary ca
The great Wenchuan earthquake(Ms = 8.0) in 2008 caused severe damage in the western part of the Chengdu Plain.Soil lique......
Proposal and Achievement of a Relatively Al-rich Interlayer for In-rich Al_x In_(1-x)N Films Deposit
Ternary In-rich Alx In1-xN films were successfully grown on Si(111) and(0001) sapphire substrates by radio-frequency mag......
SEARCH giant Baidu won in early January second prize at the China 2015 National Science and Technology Awards for its te......
Genomic characterization and expression profiles of stress-associated proteins(SAPs)in castor bean(R
Stress-associated proteins(SAPs)are known as response factors to multiple abiotic and biotic stresses in plants.However,......
A more general model describing PCM close-contact melting outside a hot sphere is devel0ped withthe aid of introducing a......
Export Rebate Rate of Nonferrous Products will be Lowered, Intending to Promote Integration of the N
Reporters of the “Economic Information Daily” have learned through interview that the state government is preparing to......
On the transformation road to promoting coal-power-aluminum integration, CHINALCO moved another step forward. Following ......
Site response of heterogeneous natural deposits to harmonic excitation applied to more than 100 case
Variation of shear-wave propagation velocity(SWV) with depth was studied by analyzing more than one hundred actual SWV p......
In 2016,profi ts of China’s state-owned enterprises(SOEs)grew by 6.7 percent following two years of negative growth.The......
The 2.5D finite/infinite element approach is adopted to study wave propagation problems caused by underground moving tra......
To investigate whether there are some significant differences in English teaching for the two teaching methods(TBA and P......
Ultra-highly diluted plant extracts of Hydrastis canadensis and Marsdenia condurango induce epigenet
OBJECTIVE: Methylation-specifi c epigenetic process and gene expression profi les of He La cells treated with ultra-high......
Wide-ranging support measures will give the country’s petrochemical industry a shot in the arm The China National Petro......
Rapid growth in biomedical research coupled with dramatic advancement in biotechnology has signi fi cantly improved our ......
在Auto China 2004上,来自德国的科里摩艾(ClimAir)展示了它可用于商用汽车和乘用车的防护用品——前窗及侧窗挡雨挡风器(PROFI和M......
The Media Leaders Roundtable is held at the Boao Forum for Asia （BFA） Annual Conference in Boao， south China’s Hainan Prov......
Applicability of the coastal equilibrium concept depends upon proof of the existence of equilibrium. The present......
A synoptic-scale upwelling event that developed off the east coast of the Hainan Island(EHIU) in the summer of 2010 is d......
Mr. Ma Man-Kei is a legendary busi-ness tycoon in Macao and vice president of the 11th CPPCC. As a business tycoon, a hi......
To relax the target aspect sensitivity and use more statistical information of the High Range Resolution Profiles (HRRPs......
西门子公司结合电力行业竞争自由化的发展趋势,特别针对电厂的生产运营推出了一套完整的PROFIT电厂IT解决方案,意在通过IT技术全面......
现场总线(PROFIBUS)专业委员会,是从事现场总线(PROFIBUS)技术研究开发、生产和应用的企事业单位、大专院校及有关团体自愿组成的......
与传统集中控制比较,虽然Profibus-DP现场总线在系统设计、降低成本、安装调试、维护及扩展方面都具有十分明显的优势,但是该总线......
ABB最新发布的PROFINET IO通讯模块CI871,为A BB丰富了PROFIBUS/PROFINET总线技术应用的产品线,进一步强化了对现场总线的支持,给......
本文介绍了西门子PROFI控制系统在国华沧东电厂2×600MW机组的使用情况.PROFI控制系统应用机组动态模型、状态观测器、Smith预估器......
Determination of Business Strategies Using SWOT Analysis;Planning and Managing the Organizational Re
A SWOT analysis is the method to evaluate the internal weaknesses and strengths of an organization as well as evaluating......
利用油水井日常生产动态数据和物质平衡原理建立可模拟油水动态的数据物理驱动模型,通过历史动态拟合反演获取井间传导率、连通体......
目的总结参加美国病理学家协会血小板功能能力比对试验的经验。方法使用美国病理学家协会（CAP）提供的样本,按常规操作进行检测。结果......
制造服务是商业模式创新的一种重要形式，基于商业模式的三大要素：客户价值主张、资源与生产过程和盈利公式，提出对应的制造服务的三种......
通过数字高程模型(DEM)重采样发现,随着水平分辨率的降低,地形也随着趋向平缓,坡度信息不断丢失,地面表达能力逐步下降。利用1∶10......
低成本战略是传统成本领先战略的一种表现形式。在原油价格高企下，围绕炼化企业的基本现状和特点，从财务效益核定的角度，探究核定评价......
阐述在Ｙ５４Ａ型插齿机上利用摆线靠模凸轮成型法加工摆线轮的方法；提出靠模凸轮外廓曲线和插刀圆弧半径的正确选择是决定摆线轮齿形形状误......
将货主和运输企业看成是利润最大化的系统，为了使系统中货主和运输企业双方利润达到最优并被市场所认可，必须寻求最佳合理的运价规则......
为了扩大聚合物驱的波及体积,提高聚合物区块整体开发效果,注聚驱调剖时机应在注聚前或注聚初期.调剖可封堵大孔道改善吸聚剖面,有......
既有多式联运收益清算一般按照各方式运输距离及费率确定,未充分考虑运输时间效率和外部性(如碳排放)对于联运服务竞争力的影响,导......
为了探求信息系统的最佳防御等级策略，从经济博弈论的全新角度研究信息安全攻防策略问题，提出一种基于“诱导迂回”的信息安全系统架......
该文基于Modbus通信协议，提出了一种企业设备能耗信息化方案，以对企业各设备能耗数据进行采集和处理。在底层，通过Modbus通信协议对各......
概述了PLC和交流变频技术在卷烟储存输送系统中的应用，简述了控制系统的基本组成、工作原理及其性能优点。实现了电机的平稳运转，达......
以某旗舰店室内装饰工程为例,分析GMP合同的内涵与特点,阐述GMP合同施工单位在工程的投标阶段、中标阶段、施工阶段、结算阶段的工......
介绍了以上位机WinCC6．0和下位机S7-300系列PLC为核心的泥浆池液位监控系统的设计。详细论述了监控系统的硬件组成，PLC与WinCC的通信......
针对复杂过程工艺参数的传输与监视问题，利用PROFIBUS总线协议，根据PROFIBUS总线的传输原理，设计了信号转换的接口电路，研究了单片机实......
介绍了基PROFIBUS实现上煤自控系统，对系统的结构、软硬件设计、系统功能、特别是系统通讯结构和集成作了阐述。该系统已应用于锅炉......
针对当前各种总线共存、无法实现互连互通的状况．通过对EPA和PRoFIBUS—DP基本特性的分析，提出TEPA与PROFIBUS—DP总线互连的协议转......
江苏鼎豪再生资源设备有限公司2012年成功开发了大型废钢破碎线，采用PLC并基于Profibus-DP总线构成监督控制与采集（SCADA）系统。用模......
