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- oxyacetylene flame hardening 氧炔火焰硬化法
- The preferred method is by oxyacetylene flame. 最好采用氧炔焰加热方法。
- The multiwavelength pyrometer with prisms for beam split has been used to measure the true temperature of ablative materials burnt by oxyacetylene flame. 应用棱镜分光式多波长光电高温计对氧乙炔焰烧蚀材料的真实温度进行了测量。
- This can be done carburizing, cyaniding, nitriding, carbonitriding, induction hardening, and flame hardening. 这可以通过渗碳剂、氰化、渗氮、碳氮共渗、感应淬火、火焰淬火来完成。
- The method and technology of oxyacetylene flame braze welding for main cable wrapping at Shantou Bay Bridge were introduced,and the difficulties of the welding were analyzed. 介绍汕头海湾大桥主缆缠丝所采用的氧-乙炔火焰钎接焊方法及其工艺，并对主缆缠丝焊接的难点进行了分析。
- The temperature of oxyacetylene flame was simultaneously measured by the pyrometer and a thermocouple.And the measurement error of the single-wavelength pyrometer is only 6.2%. 由单色高温计与热电偶测温对比实验可知，在单色测温中爆炸产物可近似看作黑体处理，其误差率为6.;2%25。
- The results show that flame hardening is too an effective way to strength the surface of nodular cast iron. 结果表明,火焰淬火同样是一种强化球铁表面的有效途径。
- Can carry out nitrogen treatment and flame hardening treatment to improve surface hardness and wearresisting performance. 可施以氮化及火焰硬化处理,以增进表面硬度及耐磨性。
- Using SHS Reactive Flame Spraying (RFS) technology, an Al2O3 multi-phased ceramic coating was prepared on iron substrate with Al and CuO as main reactants, the SHS process was ignited by oxyacetylene flame. 基于自蔓延高温合成技术(SHS)的反应火焰喷涂技术,用氧?乙炔火焰引燃Al?CuO团聚粉,使之发生自蔓延反应,在钢基表面制备了Al2O3复相陶瓷涂层。
- By means of oxyacetylene flame spraying and selection of different coating , surface adhesion factor of automobile drum type machine are improved, thus resulting in the maximum efficiency of vehicle drive moment. 以氧乙炔火焰喷涂工艺与选择喷涂层为手段,着力于提高汽车试验台转鼓表面附着系数,以获取汽车驱动力矩最大效能。
- Although the total calorific value of oxypropane flame is higher than oxyacetylene flame, its first calorific value is lower, so its burning temperature is lower and its heating time is longer. 氧丙烷焰比氧乙炔焰的总热值高,但一次热值低,因此燃烧温度低,预热时间较长。
- Although the total calorific value of oxypropane flame is higher than that of oxyacetylene flame, its first calorific value is lower,so its burning temperature is lower and its heating time is longer. 氧丙烷焰比氧乙炔焰的总热值高，但一次热值低，因此燃烧温度低，预热时间较长。
- Flame hardening of spindle taper bore 主轴内锥孔火焰淬火
- oxyacetylene flame put in fluxing compound spray mehed 氧-乙炊焰加熔剂喷熔
- oxyacetylene flame put in fluxing compound spray melted 氧-乙炔焰加熔剂喷熔
- Flame Hardening for the Inner Surface of High Pressure Pipe 高压管件内表面火焰淬火
- Control of Stability of Flame Hardening of Engine Tappets 发动机挺柱火焰淬火稳定性控制
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
