The inner surface of the hoop has rubber grips or steel cleats. 环的内侧有橡皮抓子或钢楔子。
All you will have to do is leave the cover intact over when the cleats attach. 所有你需要做的就是离开了完整的封面时,夹板重视。
Giambi said he has been advised to wear sneakers as much as possible, and though he will wear cleats during the game, he took batting practice in more comfortable footwear. 吉安比说医生要他尽量穿著慢跑鞋,但他在比赛中还是会穿上钉鞋,只在打击练习时换上较舒适的鞋子。
The maceral, proximate analysis, cleats and joint developmental characteristics of the brown coal in Bulianta coalmine, Dongsheng coalfield have been studied. 详细研究了东胜煤田补连塔矿煤的岩石组成、内生裂隙及外生节理的发育特征。
If you had put enough battens on the cleats beforehand, the bags might not have been pierced. 如果你们事先在羊角桩上铺上足够的板子,这些袋子就不至于被刺穿了。
Soccer shoes: Soccer shoes may have studs or cleats across the sole. contemptibly small in amount. 足球鞋:足球鞋底上有圆形或条形钉柱。在数量上不足称道的少。
And shoes, boots, and sneakers are in the Shoe Department. soccer shoes: Soccer shoes may have studs or cleats across the sole. 而在鞋靴部可以买到鞋子、靴子和球鞋。足球鞋:足球鞋底上有圆形或条形钉柱。
Baseball uniform, cleats, glove and a bat. 棒球制服,防滑鞋,手套,还有球棒。
I always try to uses the cleats that came with the pedal I am using. 我总是试图使用夹板附带踏板我使用。
Fasteners: lacing cleats and speed loops are located at the top and bottom of the boot. 钩:系带固着楔和速度圈在靴的顶部和底部。
The cleats in coal bed are of small space and high density; 煤层割理间距小、密度大;
The single phase flow rule of coalbed gas in coal and cleats may be studied by use of non equilibrium adsorption model. 采用非平衡态吸附模型,研究单相煤层气在煤体和割理中的流动规律。
Although the coal rank is high, the matrix pores, cleats, and fractures are well-developed, therefore, the reservoir permeability is high; 煤阶高,但基质孔隙、割理、外生裂隙发育,储层渗透性好;
The research shows that in coal rocks, the vitrinite content is relatively high, the ash content is relatively low, and long flame coal occupies the leading position, which is beneficial to the formation of cleats and fractures to increase reservoir permeability. 研究认为,煤岩中镜质组含量较高,灰分含量较低,煤级以长焰煤为主,有利于储层中割理和裂隙的生成,增加储层渗透性。
Cleats are the endogenetic fracture systems which are widely distributed in the coal bed and are of great significance for the coal-bed gas to be produced, being the natural fractures formed by desiccation, coalification, lithification and tectonic force. 割理是广泛存在于煤层中对煤层气的产出具有重要意义的内生裂隙系统,是煤层经过干缩作用、煤化作用、岩化作用和构造压力等各种过程形成的天然裂隙。
Study on the cleats in coalbed methane development 煤层气勘探开发中的割理研究
Evaluation method of cleats in coal reservoir bed 煤储层割理评价方法
The second is unilateral flow bring about the pore press lower, cleats close, and fracturing fluid deeped in it will settle. 第二,单流阀效应引起孔隙压力下降,割理闭合,导致侵入的压裂液滞留其中。
In the construction or renewal of grid, the effect of energy-saving and environment protection can be achieved through the reasonable choice of equipment and materials. This paper discusses the choice of transformers, overhead lines, cables and cable cleats. 在电网的建设或更新改造中,通过合理的选购设备与材料,可以达到节约能源、保护环境的功效,本文就变压器、低压架空线、电缆及线夹的选型进行了阐述。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model. 在考虑煤层渗透率应力敏感性的基础上,采用非平衡态吸附模型,研究单相煤层气在煤体和割理中的流动规律。
The relative permeability curves, porosity, and irreducible water saturation of coal cleats measured in laboratory have been proven valuable in numerical simulation and other engineering studies of coalbed methane recovery. 实验室所测得的煤层相对渗透率曲线、孔隙度和残余水饱和度对于数值模拟和其它煤层气工程研究都具有重要的价值。
Conveyor belt with wave-shape cleats is one of flexible machines for material handling. The transporting quadrant elevation of the machine can be in the scope of 0 °~ 90 °, and can be twisted 180 ° during the vertically handling. 波状挡边带式输送机是一种灵活的物料输送机械,输送仰角可在0°~90°范围,并可在垂直输送过程中扭转180°。
The adjoining aquifers are the main source of coalbed water, and the saturability of movable water reaches 30% in No. 4 and 8 coal seams. The fractures and cleats are the storage space and migration channel for free water. 柳林煤层气试验区区域水文地质条件简单,围岩含水层是煤层水的主要来源,4、8号煤层可动水含水饱和度为39%,裂隙及割理是重力水赋存的储集空间和运移通道。
The process of coalbed gas flow from coal bed to well bore is that along with formation pressure decline owing to unceasingly producing the water in coal bed, the coalbed gas adsorbed in coal can be desorbed, then diffuses into cleats, and flows into well bore. 煤层气由煤层流入井筒的过程为:随着煤层中水的不断采出,地层压力下降,吸附在煤层中的煤层气被解吸出来,并扩散至割理,割理中的气体渗流到达井筒。
Coal body structure, coal petrologic type and coal quality are good; the cleats in coal are developed with fair permeability, which is suitable for fracturing; 煤体结构、煤岩类型和煤质好,煤层割理较发育,渗透性较好,适合于压裂改造;
Coal rock body is simplified as a double-medium model, including a plenty of micropores and cleats. 煤岩体既有大量的微孔隙又有割理的存在,可以简化为双重介质模型。