Iron cover with brass plated, zinc core with two iron keys. 铁套镀铜,锌合金芯,两把铁钥匙!
The great timbers, darkened now by smoke, wormed in places, looking rotten on the surface, but hard in the core, hard as iron. 这些大木材,表面上看被烟熏得黑黑的,有些地方被虫蛀了,烂了,但内芯却是十分坚硬的。
Life Extension Measures of Main Frequency Core Type Induction Cast Iron Holding Furnace Lining 工频有芯感应铸铁保温炉延长炉衬寿命的措施
Analyses of Core Loss for Saturation Iron Using Finite Element Method of Harmonic Balance 谐波平衡有限元法用于饱和铁心的损耗分析
The valve consists of an electromagnetic loop, a valve core, a replacement spring and a shell and the valve core consists of a retaining iron, a movable bar and a sealing pad. 它由电磁线圈、阀芯、复位弹簧和外壳组成,阀芯由挡铁,动杆和密封垫构成。
The separated first iron core and the second iron core are easy for the coil to wind; furthermore, the base wrapping the first iron core and the second iron core leads to more stable whole structure. 分离的该第一铁芯与该第二铁芯便于供该线圈所缠绕,更利用该包覆于该第一铁芯与该第二铁芯的基座使整体结构更加稳固。
As the iron core post has no air gap, this reactor reduces the vibration and noise of the iron core and simplifies the structure of iron core; 由于本电抗器铁心柱没有气隙,减小了铁心的振动和噪声,并使铁心结构得到了简化;
Analysis and evaluation on method of core competences of iron and steel corporations 钢铁企业核心竞争能力的分析与评价方法
Core technology for iron and steel enterprise CIMS& MIC 钢铁企业CIMS的核心技术&MIC
The earth's core is dominantly composed of iron element. 铁是构成地球内外核的主要元素。
The induced eddy current in the iron core of iron style bipolar axial magnetic field vacuum interrupter is analyzed. 该文对铁芯式两极纵磁真空灭弧室中铁芯的涡流进行了数值分析。
Explains the theory behind and the way of motor iron loss test, illustrates the detection of overheated spot on high pressure motor stator core by iron loss test with a typical example, and points out this method is convenient and effective. 介绍了电机铁损试验的基本原理和方法,并通过实例证明利用铁损试验查找电机定子铁心过热点的方法方便、有效。
Using pneumatic induction pouring furnace with iron core in nodular iron production can delay nodularition degeneration reduce fluctuation of pouring temperature and composition. 有芯气压浇注炉用于球铁生产时能延迟球化衰退,减少浇注温度波动和成分波动。
In order to lessen the effect of the machining process, the coaxality between valve head and iron core and surface roughness of iron core should be controlled within level 8 and 0.8 m respectively. 为了减小加工工艺对EP阀工作性能的影响,磁铁和阀罩的同轴度应控制在8级,铁芯外径表面粗糙度应抛光至0.8μm。
In order to compare the influence between different shapes of iron core, two kinds of iron core of ring type and ring slotting type are designed in this paper. 本文为了比较不同形状的铁芯对纵向磁场的影响,设计了圆环型和圆环开槽型两种铁芯。
On the core loss of AC iron core coil 试论交流铁芯线圈的铁损
Study of core competitive power of iron ore mine of Wuhan Iron& Steel Complex 武钢铁矿山核心竞争力研究
Following a review of the three development stages of core drilling ( iron shot. steel shot and synthetic diamond drilling) undergone by the geological system of Ministry of Metallurgical Industry ( MMI) since the founding of the People's Republic. 回顾了建国以来冶金地质系统岩心钻探所经历的铁砂钻进、钢粒钻进和人造金刚石钻进三个发展阶段,认为只有依靠技术进步才能不断提高钻探技术水平;
In the course of this experiment, core starch(β starch) was used to be as the principal binder of shell core for making iron castings. 试验用β淀粉作主粘结剂的芯砂制出了能用于铸铁件生产的壳芯,可以认为,以天然淀粉作芯砂主粘结剂用于铸造生产是完全可能的。
Effect Structure of Iron Core on Kinetics of Iron Release from Horse Spleen Ferritin 铁核结构对马脾铁蛋白释放铁动力学的影响
Steel Core Cast Iron Electrode 钢芯铸铁焊条研究与试制
Core Sand Containing Iron Shots 铁丸芯砂
Socket Core of Ductile Iron Pipe Fittings 推进式套头砂芯在球铁管件生产中的应用
Detection of Overheated Spot on High Pressure Motor Stator Core by Iron Loss Test 利用铁损试验法查找高压电机定子铁心过热点
All these is a scientific instruction for improvement of informationalization and core competence of conventional iron and steel enterprises. 对当前传统钢铁企业的信息化改造和核心竞争力的提升具有科学的指导意义。
Blast furnace ironmaking production is one of the core procedure on the upstream of iron and steel industry process flow. The blast furnace internal temperature is an important index of measuring blast furnace and quality of molten iron. 高炉炼铁生产是钢铁工业流程上游的一个核心工序,其中高炉炉温是衡量高炉炉况和铁水质量的重要指标。
To consider magnetic conductance change of tooth harmonic caused by relative motion between stator and rotor, the transient field operation is applied to obtain the rotor iron loss, aiming to analyze the slotted core effect on rotor iron loss. 为考虑定、转子间相对运动引起的齿谐波磁导变化,即电机铁心开槽对转子损耗的影响,采用暂态场计算转子铁心涡流损耗。
Blast furnace is the core of joint iron and steel enterprise, and the improvement of blast furnace efficiency owes great significance to iron and steel industry and even the whole society. 高炉是联合钢铁企业的核心,提高高炉效率对钢铁产业乃至整个社会都具有重要意义。