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A new type virosis in ducks with the characteristics of being acute, transmit rapidly and high mortality rate , has been observed in sichuan and other provinces since 1998.The disease could infect all days ducks and all kinds of breeds. Moreover its' morbidity and mortality reach over 80%, which aroused disastrous loss to local duckeries.

近年来,四川等地出现了一种具有发病急、传播快、死亡率高等特点的一种新型鸭病毒性烈性传染病,各种年龄,各种品种鸭均易感,发病率和死亡率均可达80%以上,给当地养鸭业带来极大的损失。

Now the colossus in reared, his works are eagerly bought up by all the purchasers of scarce books. The learned societies in vite him to become a member

现在,伟人成熟了,他的作品被所有喜欢收藏珍本的人争相购买,各种学习,各种学术团体竞相邀请他参加

The geology research of carbonate reservoirs in Ordovician of Tahe oilfield showed that many large dissolved vugs and fractures were developed. The spread of the reservoir take on a very heterogeneous state. And the typical fractured-vuggy reservoirs was formed. According to the combination of the various spaces, the formation was divided into vuggy formation, fractured-vuggy formation and fractured formation. The research showed that development of the vug is relevant to the its position on the structure, the fractures, the water surface and the weathering surface. Multi-phase charge and recharge of the oil in the reservoirs resulted in the complexity of the fluid distribution. So the"Bottle Model"was brought forward to explain the movement of the water-oil contact. The special storage space and the complex fluid distribution lead to the unstability of the production and the complexity of the water cut. In order to explain the characteristic of the fracture-vug unit was brought forward and the basic principle and method of the partition of the fracture-vug unit was formed. The classification and evaluation of the units were performed according the reserve and energy. Based on the research of geology characteristic and the fluid flow in the reservoir the comprehensive numerical simulation plan of the fractured-vuggy reservoirs were established. Through the selection of the simulation unit, fluid flow type and parameter equivalent the triple media reservoir simulation model was established. Considering the practical application the model was resolved by the DKR decomposition conjugate grads method. Based on the fine reservoir description of Dsitrict IV of the Tahe oilfield the various space type were classified and combined together. The geology model of Unit S48 was constructed. Two typical single well model was established according to the geology and the dynamic phenomena. Finally the single well model and the Unit S48 were simulated by the triple media reservoir simulator. Via the local grid refinement and coarsening in the simulation good matchs were gained. Based on the results of the simulation the reserve distribution, percent of reserve produced in various space and the natural energy were analyzed. The fluid was storaged in the fractures and vugs mostly and more than 90% the produced oil came from the systems. The energy belonged to the active one. The results of simulation accorded with the fact and showed the validity and practicability the research and the simulator.

塔河油田奥陶系碳酸盐岩油藏的地质研究表明,其储层中发育着很多大型的溶蚀洞、缝,储层的平面展布呈现出极度的非均质性,形成了典型的缝洞型碳酸盐岩油藏,根据各种孔隙介质在储层中的组合,将储层分为了溶洞型、裂缝-溶洞型和裂缝型三类;研究表明溶洞储层的发育和构造位置、裂缝的发育、潜水面和风化面的位置等因素有关;多期充注的油气成藏模式导致了流体复杂的赋存状态,由此提出了所谓的"瓶子模型",解释生产过程中油水界面的变化;特殊的储集空间类型和流体分布特征导致油田在开发过程中表现出很大的不确定性和含水变化的复杂性,为了合理的解释油气田开发过程中的动态特征,提出了"缝洞单元"的概念,并制定了"缝洞单元"纵横向划分的基本原则和依据及划分方法,并对"缝洞单元"进行了分类和评价;基于地质特征和流体在其中流动规律的研究,提出了缝洞型碳酸盐岩油藏的数值模拟综合解决方案,通过模拟单元的选择、流动类型和参数的等效,建立了三重介质油藏三维三相数值模拟模型,采用不完全LU分解预处理共轭梯度法进行了求解;在塔河油田4区精细油藏描述的基础上,将各种类型的孔隙空间进行了归类组合,建立了S48单元的地质模型;通过对油井生产动态进行分析研究,建立了两类和油井地质、生产动态相对应的单井模型;最后应用三重介质油藏数值模拟软件对单井模型和S48单元进行了数值模拟,通过局部加密和粗化等技术模拟流体流动规律,取得了很好的拟合效果;结合数值模拟结果,分析了各种介质中的储量分布、储量产出的百分比以及地层的能量,认为塔河油田缝洞型油藏中流体绝大多数储集于缝洞系统之中,所产出流体90%以上也来自于缝洞系统,其底水能量属于较充足的类型;模拟结果和油田实际情况符合较好,说明了地质研究和油藏数值模拟研究的正确性。

This type design is compact, the area is small, uses inspires the mirror system and the import high speed seals to the type CO2 laser generator, the coordinate high quality stable laser power source, hits the sign precision to be high, the speed is quick, the stable property, can in each kind of Asian gram force, the quartz, the cotton material, the leather, the woodware, the shell, the agate, the marble and so in the nonmetallic material hit sign each kind of design, the character, the writing as well as the punch and so on, is a section of performance-to-price ratio extremely high hits the sign equipment.

该机型设计紧凑,占地面积小,采用高速振镜系统和进口封离式CO2激光发生器,配合优质稳定的激光电源,打标精度高,速度快,性能稳定,能在各种亚克力、水晶、布料、皮革、木制品、贝壳、玛瑙、大理石等非金属材料上打标各种图案、人物、文字以及打孔等,是一款性价比极高的打标设备。

CHAPTER XXXIX Chinese SOME TENS OF THOUSANDS of men lay sacrificed in various postures and uniforms on the fields and meadows belonging to the Davidov family and the Crown serfs, on those fields and meadows where for hundreds of years the peasants of Borodino, Gorky, Shevardino, and Semyonovskoye had harvested their crops and grazed their cattle.

第三十九章英文几万名死人,以各种姿势,穿着各种服装,躺在属于达维多夫老爷家和皇室农奴的田地及草地上,数百年来,波罗底诺、戈尔基、舍瓦尔金诺和谢苗诺夫斯科耶的村民就在这里收庄稼,放牲口。

Methods Identifying the subtile structure of apical dilation of parameres and aedeagus.

在我国西北地区分布广、密度高,已对一些地区构成特有危害,春夏季节从事农、林、牧各种野外作业的人员,就会遭受到各种蠓虫扑头盖脸的骚扰和刺叮,亦能传播多种人

In automobile manufacture industry, in order to enhance the automobile the security performance, each kind of new technology is applied unceasingly in actual, like guards against hugs dies the braking technology,Guards against sideslips the technology,the multi- positions security aerocyst technology and so on all successfully install in above each kind of scale automobile.

在汽车制造工业中,为了提高汽车的安全性能,各种新技术不断地被应用于实际之中,如防抱死刹车技术,防侧滑技术,只能多方位安全气囊技术等都已成功地安装在各种档次的汽车之上。

In automobile manufacture industry, in order to enhance the automobile the security performance, each kind of new technology is applied unceasingly in actual, like guards against hugs dies the braking technology,Guards against sideslips the technology,the multi- positions security aerocyst technology and so on all successfully install in above each kind of scale automobile.

在汽车制造工业中,为了提高汽车的安全性能,各种新技术不断地被应用于实际之中,如防抱刹车技术,防侧滑技术,只能多方位安全气囊技术等都已成功地安装在各种档次的汽车之上。

And it is obvious that macro-behaviors features of complex systems may be analogically as attributes or functions of dimensions, and derivative dimensions.

复杂系统的各种宏观行为特征显然可以同样类推到维度的各种属性或功能与特征衍生维。

In the former growth period, the accumulation of various nutrient components was gradually increasing and the declining rate of crude protein content was slow; in the later growth period, the accumulation of all kinds of nutrient components easily being digested was slow until stopped. The best utilization time of Arundinaria argenteostriata was in the period from May to Sept., with the content of crude protein of 13.78%-15.10%; crude fat, 3.77%-8.49%; soluble sugar, 14.57%-18.47% and acid detergent fiber,

在其生长发育前期,各种营养物质积累速度快,粗蛋白含量下降速度缓慢;生长后期,各种容易消化的营养物质积累速度缓慢直到停止。5~9月份为铺地竹的最佳利用时期,在该生长期间其粗蛋白含量在13.78%~15.10%,粗脂肪含量在3.77%~8.49%,可利用糖含量在14.57%~18.47%,酸性洗涤纤维含量在

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推荐网络例句

Turn-button rigid clutch, cam band brake, and collapsed with a pressure type overload device.

转键式刚性离合器,凸轮带式制动器,并带有压塌式超载保险装置。

Study on culture of osteoblasts from neonatal rat's calvaria in simulated weightlessness.

利用回转器建立模拟失重环境下大鼠颅骨成骨细胞体外培养模型。

Removable side panels and an internal conduit system facilitate cable management.

可卸侧板和内部管道系统便于电缆管理。