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Engineering geological structure classification is divided into macro-, fine-, and microstructure. Macro-structures include alluvium predominated structure, multiple-binary-rhythm structure, thick boulder and gravel structure, saccate buried valley structure and tremendous composite structure, fine structures homogeneous structure, stuffed structure, porphyro-structure, and space frame structure, microstructures cemented, semi-cemented and loose texture.

利用第四纪构造与气候环境演变控制论的观点，在成因分类的基础上，对覆盖层进行了结构工程分类，按沉积相的不同组合特点分为冲积为主的结构、多重二元韵律结构、厚层漂卵石层结构、囊状槽谷结构、巨厚复合加积结构等五种类型；按颗粒组成和结合状态，分为均匀型、充填接触型、斑状型和架空型四种细观结构；按胶结成岩状态分为胶结、半胶结和松散三种微观结构。

This paper summarized the study and application state of the dry deep screening (6mm, 3mm) theory and screening equipments of moist fine coal and flip—flow screen, elaborated the machanisms which the elastic screen surface overcomes blinding apertures, proposed a new dry deep screening (6mm, 3mm) theory of moist fine coal, studied the sophisticated phenomenon which particle moves on screen surface.

本文综述了潮湿细粒煤炭干法深度（6mm，3mm）筛分理论、筛分设备及弛张筛的研究与应用现状，阐述了弹性筛面克服潮湿细粒煤炭筛分的堵孔机理，提出了潮湿细粒煤炭干法深度筛分的新理论。

In viewpoint of the lack of enough basic data of foreign oilfields, under the conditions of insufficient core data, no constrains of seismic interpreted cross and fault data, the rational fine 3D geological model has been established by fine oil reservoir characterizing technique including the contrast results of individual layers, second well logging interpretation and so on.

针对国外油田多数基础资料不全，必须在缺乏取心资料，无地震解释层面及断层数据约束的条件下，运用层序地层学小层对比结果和二次测井解释等精细油藏描述技术，并插入虚拟井控制井间构造，进而建立了合理的精细三维地质模型，为该油田的储层预测及数值模拟提供了基础数据，并在实际应用中取得了良好效果。

This kind of quartz stone cutting tool is a technological innovation product, the design structure is novel, it change the use of sole grade grinding compound which is already a traditional manufacture method, it simultaneously used the rough and fine grain grinding compound in the cutting tool different part, ie, by the electricity chromium welded skill, weld the large grain diamond grinding compound on the tool bit top (4050 #) and weld the tool bit both sides the metal polish fine grain grinding compound which the nominal grade value is one level up smaller than large grain grinding compound 100-120

这种石材切具属一项技术创新产品，设计结构新颖，这在于它改变了使用单一粒级磨料的传统制作方法，而是在切具刀头不同部位同时使用粗细粒磨料，也就是在刀头顶面和刀头两侧由电铬焊合艺分别同定粗粒金刚石磨料(4050目)和标称粒级值小于粗粒磨料一级以上的金属抛光用细粒磨料100-120目

This kind of stone cutting tool is a technological innovation product, the design structure is novel, it change the use of sole grade grinding compound which is already a traditional manufacture method, it simultaneously used the rough and fine grain grinding compound in the cutting tool different part, ie, granite tile by the electricity chromium welded skill, weld the large grain diamond grinding compound on the tool bit top (4050 #) and weld the tool bit both sides the metal polish fine grain grinding compound which the nominal grade value is one level up smaller than large grain grinding compound 100-120

这种石材切具属一项技术创新产品，设计结构新颖，这在于它改变了使用单一粒级磨料的传统制作方法，而是在切具刀头不同部位同时使用粗细粒磨料，也就是在刀头顶面和刀头两侧由电铬焊合艺分别同定粗粒金刚石磨料(4050目)和标称粒级值小于粗粒磨料一级以上的金属抛光用细粒磨料100-120目

The biomass shredding system was finally achieved through many practices and improvements, including the primary shredder, the fine shredder and the cyclone dust collector used as collecting device. The results indicated that the particle size of the primary shredded biomass was about 10mm with the production of 200kg/h, and that of the fine was between 0.177 mm and 0.125mm on different working parameters with the highest production of 160kg/h.

最后通过实践探索出一套集生物质粗、细破碎和利用旋风除尘器作为收集装置为一体的破碎系统，其粗破碎产物长10mm左右，产率为200kg/h；在不同系统工作参数下，细破碎产物粒径在0.177mm(80目)～0.125mm(120目)间可调，粒径为0.177mm时产率为160kg/h。

Wind selection process: grinding materials, the fan entered the chassis will be the wind began to blow powder, after grinding chamber placed in the top of the analyzer sorting, fine through coarse grinding of materials into another room re-grinding and fine compliant with the degree of airflow into the cyclone collector, collected through a powder discharge port shall be finished.

风选过程：物料研磨后，风机将风吹入主机壳内，吹起粉末，经置于研磨室上方的分析器进行分选，细度过粗的物料又落入研磨室重磨，细度合乎规格的随风流进入旋风收集器，收集后经出粉口排出，即为成品。

The microstructure of hardened layer and formation mechanism were investigated.The microstructure of hardened layer consist of the completely hardened region and the transition region.The completely hardening region is composed of fine acicular martensites,residual austenites and a few dot-like carbonides.From surface to bottom in the hardened layer,the microstructure varies from fine to coar...

结果表明：采用适当的磨削参数可满足该钢所要求的淬火温度，进而获得适宜的淬硬层显微硬度和强化层深度；磨削淬火层由完全硬化区和过渡区组成；完全硬化区主要由细小针状马氏体组成，从表面到里层，组织形貌呈现&细→粗→细&的变化规律，其形成机理是热-力耦合作用影响磨削淬火过程中的奥氏体晶粒大小及其位错密度，并将直接影响转变后的马氏体组织形貌。

This trend was obvious for 5-year-old plantation. The biomasses of living and dead fine roots at 0~10cm accounted for 51.9% and 53.3% of the totals, respectively. The 84.6% of living and 82.8% of dead fine roots concentrated at the depth of 0~30cm.

在0~10cm土层中的活、死细根生物量分别占全部活细根生物量的51.9%和死细根生物量的53.3%，活细根生物量的84.6%和死细根生物量的82.8%分布在0~30cm的土层中。

Originally for daughter's valuable fine jade, in the heart loves is young bludger Guan Haochang unexpectedly expensively, but because the status is disparate, the valuable fine jade and the vast long relations cannot stand off the social pressure throughout, is compelled to bid good-bye comes to an end.

原来贵为千金的宝琦，心中所爱竟是一名小混混关浩长，但由於身份悬殊，宝琦与浩长的关系始终敌不过社会压力，被逼分手告终。

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。