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scale and shell相关的网络例句

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与 scale and shell 相关的网络例句 [注:此内容来源于网络,仅供参考]

The Vice President of Shell Bitumen, Egbert Veldman, said:?"The acquisition of KMC represents a step change in the scale of Shell′s bitumen b us iness, improving market coverage and allowing us to offer quality road surface products across China."

壳牌全球沥青业务副总裁爱格博特·沃德曼表示:&收购科氏中国标志着壳牌沥青业务在规模上迈上了一个新的台阶,这将进一步提高壳牌在中国的市场覆盖率,从而使我们能够为全国的客户提供更多的优质沥青产品。&

The main ideas in developing the large scale film evaporator with heat transfer area of 10 up to 20 m 2 were that rotar was flixible,shell was made of clad steel,and interal surface of shell was not machined.

基于转子采用挠性结构、筒体用复合钢板、内筒不加工的主要设计思路,研制了大型薄膜蒸发器(传热面积 10~ 2 0m2 )。

The full stress optimizes the application in connecting a design of greenhouse with; Even the experimental study of the only warm environment of winter of a plastic greenhouse; Intensify the current situations and trends of raising pig"s craft development; The scale beasts and birds cultivate the technical research progress of the environmental project; Effective way utilized in recycle treatment of the beasts and birds offal; The nourishing oral liquid culture current situation of Japan and new technology; Engineering of animal husbandry of our country and industrialized development are 20 years; Technological economic analysis that heat energy retrieves in winter of chicken coop of North China; Connect large-scaly with the design and test of the natural day-lighting of a chicken coop; Even the experiment research of the environment of summer of a chicken coop; The pig house cools the current situation of technological application study in summer; Application and design of the vertical ventilating system of pig house; The evaporation of agricultural building cools the current situation and prospect of technological study and application; Of our country the South open to cool the question summer in chicken coop; Vertical air current organization that ventilated of chicken coop; Innovation and Development of China"s Animal Husbandry project Science and Technology; The pig farm of scale is raised in the shed and raised the clean production technology mode scattered to study; the Project of the cow is raised in the shed in the scattered fence; Give up and raise sheeps new craft mode to visit for the first time in scale; The piglet keeps the case warm one degree of characteristics of playground of body temperature is studied; Structure optimization of the joining type pig house of roof truss of light steel; Lose electrical power such nearly one hundred as the impact on airtight type hot wet environment of pig house ,etc.

满应力优化在连栋温室设计中的应用;连栋塑料温室冬季光温环境的试验研究;集约化养猪工艺发展的现状与趋势;规模化畜禽养殖环境工程技术研究进展;畜禽废弃物的资源化利用的有效途径;日本的营养液栽培现状及其新技术;我国畜牧工程技术与产业化发展20年;华北地区鸡舍冬季热能回收的技术经济分析;大型连栋鸡舍自然采光的设计与测试;连栋鸡舍夏季环境的实验研究;猪舍夏季降温技术应用研究现状;猪舍纵向通风系统的应用与设计;农业建筑蒸发降温技术研究与应用的现状与展望;我国南方开放式鸡舍的夏季降温问题;鸡舍纵向通风的气流组织;中国畜牧工程科学技术的创新与发展;规模化猪场舍饲散养清洁生产工艺模式研究;奶牛舍饲散栏饲养工程工艺研究;规模化舍饲养羊新工艺模式初探;仔猪保温箱体温度场特性研究;拱型轻钢屋架猪舍的结构优化;夏季停电对密闭式猪舍热湿环境的影响等近百篇。专著与教材:《家畜环境与设施》《畜牧工程——科技创新与发展》《可食用观赏植物》《园艺设施学》《林果花菜设施快速栽培技术》《农业生物环境与能源工程》《居室花卉装饰》《现代温室技术》《中国养鸡学》等。

This project studies the scale-dependent deformation behavior of the metal matrix composite, the void nucleation and void growth mechanisms at the micron/submicron scale. The main results are:(1) In prophase, growth and coalescence of the void embedded in the graded matrix are analyzed in detailed;(2) Based on the infinite solid model containing a micro-void, coupling effects of the void shape and the void size on the void growth are studied carefully, the results show that it seems to exist a critical equivalent void radius, which is associated with the material length. When radius of a microvoid is close to or smaller than the critical void radius, the micro-void growth rate is essentially eliminated;(3) The coupling effects of the particle shape and size on the mesoscopic stress fields within the particle and matrix are also investigated by introducing the conception of inclusion/matrix interfacial energy. The results show that the stress concentration factors within the particle and on the matrix/particle interface are also strongly size-dependent,so the void nucleation mechanism is size-dependent.(4) By employing a specific orthogonal curve coordinate frame and a 'kernel function' conception, a 'unified method'solving the spheriodal and spherical void problems is suggested; by this unified method, size-dependent plastic potentials of the porous materials containing the spheriodal or spherical voids are obtained, which extend the traditional Gurson model for the spherical void and GLD model for the spheriodal voids to the micron scale.(5) Based on the RVE model containing the spheriodal or spherical particles, the influences of the particle shape and size on the size-dependent mechanical behavior of metal matrix composite are studied.

中文摘要:本项目对金属基复合材料在微细观尺度下的尺度相关变形行为、孔洞形核及长大的机理和模型进行了研究,取得了如下主要结果:1)在前期研究中,探讨了基体的梯度分布对孔洞长大和聚合的影响;2)基于含孔洞的无限大体模型,探讨了孔洞形状和孔洞尺寸对其长大的耦合作用,结果表明:可能存在一个与材料特征长度相关的临界孔洞尺寸,当椭球孔洞的等效半径小于临界孔洞半径时,孔洞的长大受到明显抑制;3)通过引入基体/夹杂界面能的概念,分析了夹杂尺寸、夹杂形状对材料细观应力场的耦合影响,结果表明:颗粒内部和界面上的应力集中因子强烈地依赖于夹杂的尺寸和形状,因此,孔洞的形核机理是尺寸相关的;4)采用一种特殊的正交曲线坐标系和引入"核函数"的概念,"统一"地得到了含椭球和球形孔洞的材料的尺寸相关塑性势,它将传统的Gurson球形孔洞模型和GLD椭球孔洞模型推广到微尺度范围;5)基于含椭球和球形夹杂的体胞模型,初步研究了夹杂形状、夹杂尺寸对金属基复合材料尺寸相关力学行为的影响。

I plant for many years, in line with the principles of plant science and technology, constantly absorbing domestic and foreign advanced technology, has licensed development and production of water-stable family of scale and corrosion inhibitor, scale inhibitor dispersing agent series, scale and corrosion inhibitor compound series, cleaning , pre-membrane, corrosion series, Bactericidal Algicide series, Water Purifying Agent series, such as more than 60 varieties of six series of new water treatment agent, to carry out production and the introduction of the new century and the simultaneous development of new products, become a water treatment agent professional manufacturer, one of our products are widely used in electric power, chemical fertilizer, metallurgy, oil refining, chemicals, textiles, paper making industries such as circulating water system and boiler water treatment system.

我厂多年以来,本着科技兴厂的原则,不断吸收消化国内外先进技术,先后开发生产水稳牌阻垢缓蚀剂系列,阻垢分散剂系列,复合型阻垢缓蚀剂系列,清洗、预膜、缓蚀系列,杀菌灭藻剂系列,净水剂系列等六大系列六十多个品种的新型水处理药剂,引进开展生产与新世纪同步发展的新产品,成为国内外水处理剂专业生产厂家之一,本厂产品广泛用于电力、化肥、冶金、炼油、化工、纺织、造纸等行业的循环水系统及锅炉水处理系统。

Relying on both dynamic and static analysis methods,both microstructure and macrostructure analysis methods,both on-line and off-line analysis methods,as well as both along-line sampling and die sampling techniques,the author of this thesis studied and developed an on-line microscopic system,the on-line rheometers and the on-line samplers which are used in single screw extruding process for the first time. Based on the analyses of a plenty of experimental results, the thesis mainly discussed following several questions: solid-bed break-up phenomenon on macroscopic scale,melting and deforming mechanism of a solid particle on small particle scale,and polymer morphology on microscopic scale.

本文作者通过把动态和静态分析相结合、微观和宏观分析相结合、在线和非在线分析相结合、沿程取样和机头出口样品分析相结合的方法,在单螺杆挤出过程的在线显微观察与摄影、在线流变测试、在线取样的大量实验分析的基础上,针对挤出过程中从宏观尺度范围的固体床破碎现象、到较小的颗粒尺度范围的固体粒子的熔融与变形、以至微观尺度范围的聚合物材料的形态结构的变化情况等有关几个的问题进行研究讨论。

We shall also enhance the proper guidance of rural land circulation and the development of scale operation, intensify the advertising work, improve the cognation of cadres of primary level and peasantry on the significance and impact of speeding up land circulation and developing scale operation, relieve their anxiety and cultivate correct concept in order to reach consensus and internal motion of promoting rural land circulation and developing scale operation.

要加强对农村土地流转和发展规模经营的正确引导,加大宣传力度,提高基层干部和农民群众对加快土地流转、发展规模经营意义和作用的认识,消除他们的顾虑,树立正确的观念,形成推进农村土地流转、发展规模经营的共识和内在动力。

The results show that the microstructure of ventra1 scale for python was composed of micro-convex and plank structure that was periodically arranged, it was mensurable and could be described by 9 characteristic parameters. Its surface was different in their forward and backward lean angle. The frictional coefficient of the ventra1 scale had closely relationship with moving direction, it decreased with the increasing load. The value of the frictional coefficient was about 0.07. The frictional coefficient while python moved backward and laterally were equal, and that was 33% more than that moved ahead. The frictional force of the ventra1 scale surface was caused by mechanical tooth function of micro-convex, acting intermolecular force and material's elastic hysteresis. The difference of forward and behind bevel for micro-convex was the anisotropy reason of frictional force.

结果表明:腹鳞表面的微观结构由指状微突体和板结构部分周期排列而成,其结构可用9个特征参数定量描述;腹鳞表面摩擦力由分子作用力、表面微突体的犁沟力、楔形作用力以及材料弹性滞后共同引起;腹鳞表面的摩擦系数在0.07左右并与运动方向有关,摩擦系数随载荷增加而减小;后向运动及左、右侧向运动时摩擦系数基本相等,比前向运动时高33%左右;腹鳞表面微突体不同方向上倾斜角度的差异是引起摩擦各向异性的主要原因。

Open Linear Encoder includes main grating scale and optical encoder head. This optical encoder head includes LED light source, optical detector module, and secondary phase-grating. LED light will pass through the plano-convex lens and produces parallel light. As the parallel light pass through secondary grating, the quadratic image display on the main grating scale. And the Moire interference will be reflected from the main grating scale and detected by optical detector module, as there is a relative shift between the main and secondary grating. From detecting the periodic sinusoidal signal with phase difference 90°, the period represents the grating pitch, using the counter to detect the number of periodic signals to get the displacement, and we can adapt the technology of electron subdivide further to increase the resolution of measurement .

反射式光学尺包括主光栅尺及光学读头,光学读头包含LED光源、光侦测器模组及相位式副光栅,LED光源经平凸透镜,产生平行光穿透副光栅后,副光栅之二次成像投射在反射主光栅尺上,当主、副光栅因相对运对产生之Moire干涉经主光栅尺反射至光电检测器,检出相位差90°之周期性弦波讯号,其周期代表栅距,因此可用计数器检出周期性讯号数目得到位移量,可进一步采用电子细分割技术提高解析度。

Compared with the big companies, midddle and small-scale have the following advantages:small-scale, response quickly to the market,full of innovation. On the other hand,the disadvantages of them are also obvirous: low efficiency of the tenology and management, lack of capital and talents, low profits and so on. With the development of intergretation of global economy, midddle and small-scale enterprise will have to endure more and more firce competition, which include the compact of new technology, the monoply from the big compinies,the limitation of capital, the transformation of operation system and so on. Just like an old saying in our country goes: Doing business is just like a battle!

与大企业相比,中小企业一方面具有规模小,市场适应性强,市场反应敏捷,富有创新精神等优势;另一方面,也面临着技术力量薄弱,管理水平落后,竞争能力差,经济效益低下,资金人才缺乏等严重问题,随着抓大放小的改革思路的推进和全球经济一体化的持续发展,中小企业将遇到更为严峻的竞争挑战:技术变革的冲击,大企业的垄断,资金能力有限,经营体制急需转型等等。

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