查询词典 seal cutting

Slurry seal is used as up-seal coat of mat coat in Hebei provincial Beijing-Shijiazhuang expressway,obtaining good effect.

河北省京石高速公路罩面工程采用稀浆封层作为罩面下封层，取得了良好的效果。

The art of seal is a unique product bred by Chinese culture which relying on the Chinese characters especially the seal character.

印章艺术是中国文化孕育下而产生的中国特有产物，它所依托的载体是汉文字，又主要依托于汉字中的篆字。

Beginning with forming mechanics of seal medium, the character of magnetic fluid has been researched and magnetic fluid, which fits the demand, is made out. Then from the point of fluid mechanics, the kinematics equation and Bernoulii equation of magnetic fluid are derived. Based on the production practic of sinterer, straight seal theory is given. Last of all, the accuracy of deriving of theory is proved by experiment.

作者首先从密封介质的形成机理入手，分析了磁性流体的性质，配制出符合要求的磁性流体，又从流体力学的角度推导出磁性流体的运动学方程和磁性流体的贝努力方程，根据烧结机生产的实际，进一步推导出应用于烧结机上的直线密封理论，最后通过试验验证了理论推导的正确性。

In this way, the formation of a groove it ABCDEA "∞" shape of the seal space (such as single-head screw, the axial groove to Shun Rao screw plate to the mouth through the smoke emission and can not form a seal).

这样，凹槽ABCDEA也就组成一个&∞&形的密封空间(如采用单头螺纹，则凹槽将顺轴向盘饶螺杆，将吸排口贯通，无法形成密封)。

In this way, also the formation of a groove ABCDEA "∞"-shaped seal space (such as single-head screw, the groove will shun Rao axial screw plate to the mouth through the suction row, unable to form a seal).

这样，凹槽ABCDEA也就组成一个&∞&形的密封空间(如采用单头螺纹，则凹槽将顺轴向盘饶螺杆，将吸排口贯通，无法形成密封)。

In this way, the formation of a groove it ABCDEA "i" shape of the seal space (such as single-head screw, the axial groove to Shun Rao screw plate to the mouth through the smoke emission and can not form a seal).

那样，凹槽ABCDEA也便组败一个&i&形的密封空间(如采取双尾螺纹，则凹槽将逆轴向盘饶螺杆，将吸排口贯通，无奈构成稀封)。

For valves with service above 550 psi (3795 kPa), an integral bonnet with a rod seal consisting of a pressure energized seal and a heavy duty braided scraper ring is required.

如果阀门应用在压力500 psi (3795 kPa)以上的应用环境中，则需要配置整体阀盖，带由一个压力自紧密封和一个重型编制平板环组成的杆密封。

There are people "Seal Rock" pyrophyllite as a synonym for the word is obviously inappropriate, and some seal stones is not a quality pyrophyllite.

还有人&图章石&一词作为叶腊石的同义词，显然是不恰当的，有些图章石并不是叶腊石质。

Let students to be familiar with the basic characteristics and formation mechanisms of oil-gas, to grasp the evaluating indexes of source rock, reservoir, seal and oil-gas reservoir, to grasp the styles of source-reservoir-seal association, the features of oil-gas migration, the conditions of forming oil-gas reservoir, the factors of oil-gas reservoir damage and the regularity of oil-gas reservoir formation.

使学员熟悉油气的基本特征及形成机理，掌握生油岩，储集层，盖层及油气藏的评价指标，掌握生储盖组合的型式，油气运移的特点，油气成藏的条件，油气藏破坏的因素及成藏规律。

The characteristics of sequence development, source reservoir - seal assemblage and types of hydrocarbon reservoir for each sequence were discussed in detail. The dark colored shale of deep lacustrine facies in the transgressive system tract of SⅡ sequence deposited around the maximum flooding surface is the main source rock in this area. The shale of shallow lacustrine facies in the TST of SⅢ sequence around the MFS is the most important regional seal rock.

结果表明，该区古近系可划分为SⅠ，SⅡ，SⅢ和SⅣ4个层序，分别对应于房身泡组、沙三段、沙一段沙二段和东营组。SⅡ层序水进体系域最大湖泛期沉积的半深湖深湖相暗色泥岩是研究区的主力烃源岩系；SⅢ层序水进体系域最大湖泛面附近的浅湖相泥岩是最重要的区域盖层。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。