大口径阀门采用系列aw型气动执行器拔叉式传动,结构合理,输出扭矩大,有双作用式和单作用式。
AW series of large diameter valves using pneumatic actuator fork-type transmission, reasonable structure, output torque, a double-acting and single acting.
目的观察急性闭角型青光眼手术前后应用双氯芬酸钠的作用。
Objective To observe the effects of diclofenac sodium used before and after operation in acute close-angle glaucoma.
固化反应过程及固化机理与促进剂作用下酸酐固化双酚A型环氧树脂的反应基本相同。
The reaction process and curing mechanism were basically identical to the curing reaction of bisphenol A epoxy resin with anhydride in the presence of accelerator.
采用DSC,WAXD研究了在超临界CO2作用下,温度、压力和共溶剂对双酚A型聚碳酸酯(BAPC)的结晶和熔融行为的影响。
The influences of temperature, pressure and cosolvent on the melting behavior of BAPC treated by supercritical CO2 were studied by DSC and WAXD.
本机为L型、两列、两级、双作用、水冷、有十字头的固定式往复活塞空气压缩机。
This machine is of LV model, double-row, double-step, double function, water-cooling, and intercrossing, fixed, no basic reciprocating piston type air compressor.
以双酚a,甲醛水溶液为原料,在碱性催化剂的作用下,合成双酚a型甲阶酚醛树脂。
A phenolic resin was synthesized from bisphenol a and aqueous formaldehyde in the presence of basic catalyst.
了解酪酸梭菌和婴儿型双歧杆菌单独及混合培养时对霍乱弧菌的拮抗作用。
To understand the antagonism of Clostridium butyric and Bifidobacterium infants to v.
研究双歧杆菌分泌型黏附素介导的双歧杆菌对体外培养的肠上皮细胞的黏附作用。
To study adhesion of human bifidobacterial strains to cultured human intestinal epithelial cells in vitro mediated by purified adhesin.
分析了三维槽型的几何单元对切屑的约束作用,推导出直线圆弧槽型、双直线圆弧槽型、凸曲面槽型和斜槽槽型的切屑上向卷曲半径;
The prediction model of chip up-curl radius was established by analyzing the chip restriction action of geometrical element in three-dimensional groove.
分析了三维槽型的几何单元对切屑的约束作用,推导出直线圆弧槽型、双直线圆弧槽型、凸曲面槽型和斜槽槽型的切屑上向卷曲半径;
The prediction model of chip up-curl radius was established by analyzing the chip restriction action of geometrical element in three-dimensional groove.
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