查询词典 stroke hole

The white hole is germinating on the center of the black hole .

当克尔黑洞演化为史瓦西黑洞

Wormholes known as Schwarzschild wormholes are theoretical bridges between areas of space that are thought to be found in the center of a black hole and white hole, joining two universes.

以Schwarzschild虫孔闻名的虫孔被认为是黑洞和白洞中心发现的空间区域之间理论上的桥，连接二个宇宙。

Because of the connecting rod is one of dyadic engine of piston and main compression engine part, whose larger end hole and crank shaft link up , the small head hole links up by the wrist pin and the piston , whose effect is that the piston gas pressure is transmitted to the crank shaft , collect crank shaft gas in driving but setting a piston in motion to compress a cylinder.

因为液压是活塞式发动机和压缩机的主要零件之一，其大头孔与曲轴连接，小头孔通过活塞销与活塞连接，其作用是将活塞的气体压力传送给曲轴，又收曲轴驱动而带动活塞压缩汽缸中的气体。

Because of the connecting rod is one of dyadic engine of piston and main compression engine part, whose larger end hole and crank shaft link up , the small head hole links up by the wrist pin and the piston , whose effect is that the piston gas pressure is transmitted to the crank shaft , collect crank shaft gas in driving but setting a piston in motion to compress a cylinder. the intensity is high.

因为连杆是活塞式发动机和压缩机的主要零件之一，其大头孔与曲轴连接，小头孔通过活塞销与活塞连接，其作用是将活塞的气体压力传送给曲轴，又收曲轴驱动而带动活塞压缩汽缸中的气体。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域，涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料，用偏硅酸钠的水溶液在30～60℃反应10～300分钟，使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片，加入模板剂十六烷基三甲基溴化铵，然后调节母液pH值为10～12，老化1～8小时，然后加入高压釜于80～130℃进行水热合成反应。反应24～72小时后，分离出固体，水洗、干燥，然后于500～600℃焙烧5～10小时，得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料，所合成的材料经过质子交换可以具有较强的酸性，在吸附和催化领域具有广泛应用前景。

Large degree of freedom of drilling frame structure can enlarge efficiently,stope blasthole slope hole and toe hole without combination with other special drilling machine.

多自由度钻架结构，全面地扩展了钻机的作业范围，能有效地穿凿采场炮孔，边坡孔及根底孔，不需要其他特种钻机配套。

This drill rig is suitable to drill blasthole,anchor-cable hole and grouting hole with φ85-φ125mm diameters,0-50m depths and any dip angle of 00-3600 in various rock formations in underground mines,open pit mines,water conservancy projects and other engineering such as hydroelectric,building,harbour,airport,road construction and consolidation of slope etc..especially suitable for the operation in narrow underground space.

其导轨架较为短小，占地空间小，适用于矿山井下和露天、建筑、水利水电、港湾、机场、道路施工及边坡加固等工程，尤其适合井下狭窄场地作业。可在各类岩层中钻凿φ85-φ125mm、深度0-50米，钻孔倾角00-3600任意角度的炮孔、锚索孔和灌浆孔。

In order to ascertain the worst section under various load cases, this paper studies and analyses the stress distribution on the hole edge of the circular hole castellated beams under loads acting.

研究分析了圆形孔蜂窝梁在荷载作用下孔周边的应力分布，确定了在各种荷载状态下的最不利截面。

For the purpose of a contrast analysis, the author made three experimental beams, one was hexagon hole castellated beam and the other two were circular hole castellated beams.

为了做对比研究，笔者还制作了三根试验梁，其中一根六边形孔蜂窝梁和二根圆形孔蜂窝梁。

When the flange hole of coal blower casing and inlet box is countersunk, the problem of connecting hole back spot facing can be effectively solved.

它可以有效地解决在锪煤气鼓风机铸铁机壳和进气箱的开箱法兰把接孔时，连接孔背面的锪平问题。

It's bell can reach over a meter in diameter.

它的身体最大可以达到直径1米多。

Now they are overdue and I shall have to pay a fine.

现在他们过期了，我不得不付罚款。