查询词典 expansion ring

The industrial process to synthesize 7-ADCA mainly involves a chemical ring expansion of penicillin G to phenylacetyl-7-ADCA, and followed an enzymatic side chain cleavage of phenylacetyl-7-ADCA.

目前工业上生产7-ADCA主要是利用化学法将青霉素G扩环为头孢素G，接著再利用酵素法移去侧链制得7-ADCA。

In the upstroke, fluid pressure in the plunger acts on inner surface of expansion sleeve and makes it expand outward, keeping the seal ring press on the inner wall of pump barrel to form good sealing.

上行程时柱塞内部的流体压力作用到胶套内表面上使之向外膨胀，使密封环始终压在泵筒内壁上，形成良好的密封；下行程时弹性伸缩套恢复原状，柱塞和泵筒之间产生间隙。

Main Products: Packing series: expanded graphite packing, carbon fiber packing, aramid packing, expansion PTFE packing, asbestos packing gasket series: metal wound pad, metal-coated pad, metal tooth pad, PTFE-coated gaskets, disc spring gasket, high-strength graphite gasket, non-asbestos gasket, rubber mat films such as sheet metal gasket Products Series: graphite plates, tetrafluoroethylene plate, no°, mica board, fibreboard, rubber sheet, asbestos rubber sheet sealing equipment: metal coating machines, small and medium-sized winding machine, graphite opening machine, strip Open machine, plate rolling machine sealed packing: tower packing, soft filler products such as rubber seal: Rubber Parts, O-ring, the tool box sealing tools and other products: packing tools, gasket cutters special tools, such as sealed.

盘根系列：膨胀石墨盘根，碳纤维盘根，芳纶盘根，膨胀四氟盘根，石棉盘根垫片系列：金属缠绕垫，金属包覆垫，金属齿形垫，四氟包覆垫片，碟簧垫片，石墨高强垫片，无石棉垫片，橡胶垫片等垫片产品板材系列：石墨板，四氟板，无石棉板，云母板，纤维板，橡胶板，石棉橡胶板密封设备：金属包覆机，中小型缠绕机，石墨开条机，钢带开条机，板材滚压机密封填料：塔填料，软填料等产品橡胶密封：橡胶件，O型圈，工具盒等产品密封工具：盘根工具，垫片切割器等密封专用工具。

If that was not bad enough, they were riding an ATV with a "ring a ding ding" engine (2 strokes) and expansion chamber for a muffler.

更糟糕的是，他们所驾驶的是一辆发动机叮当作响的坦克车，并且车内备有一个巨大的消音器。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。