Stressed Analysis Forced on Base Plate of Iron Tower's Leg by Draw Stress 铁塔塔脚脚底板拉应力作用下的受力分析
It serves as the Iargest training base for special iron art equipment, mould technology, wrought mould and color-painting skill that are to be provided to the chain stores and allied stores. 出口越南及东南亚,是全国最大的专业化铁艺设备、模具技术、锻打彩绘连锁加盟培训基地。
Anshan mine area as a vital energy base abundant in iron and coal resources has been largely mined, resulting in a deteriorating mine environment and becoming a barrier to economy and ecology. 鞍山矿区铁矿、煤矿等矿产资源丰富,是我国重要的能源基地,但长期大规模和高强度的开采,造成矿区环境逐年恶化,成为制约地区社会经济和生态发展的一个重要瓶颈。
The rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola. 稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。
With an urban population of about 6m, its traditional base is iron and steel but it now boasts car plants and factories making Hewlett-Packard computers. 武汉拥有大约600万城市人口,是传统的钢铁工业基地,但如今,它拥有了汽车制造厂和生产惠普(Hewlett-Packard)电脑的工厂。
Practice to Produce Different Grades of Ductile Iron Castings by One Base Iron Melt 一种原铁液生产多种牌号球墨铸铁件的实践
Nonferrous materials have a base metal other than iron and include aluminum, magnesium, zinc, lead, bismuth, copper, and a variety of alloys. 有色金属材料以不是铁的金属为基材,包括铝,镁,锌,铅,铋,铜和很多合金。
The company's main products cover series of oil impregnated bearing, all kinds of gears and powder metallurgy components including copper baste, iron-copper base and iron base. 公司的主要产品为铜基、铜铁基、铁基、不锈钢等各系列含油轴承、各型齿轮及其他粉末冶金结构件。
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。
The results showed that the composite pipe is composed of ceramic layer, pearlite transition layer and cast iron layer with white iron layer, heat diffusion zone and matrix of base nodular cast iron. 结果表明:复合管由陶瓷层/珠光体过度层/铸铁层组成,铸铁层又由白口层/扩散层/原始球墨铸铁基体组成;
Synthesis and characterization of a new tailed imidazole base porphyrin iron complex 新型尾式咪唑基卟啉铁配合物的合成和表征
Synthesis of New-type Retinyl Schiff Base Salts and its Microwave Absorption Performance Two kinds of retinyl Schiff base salts and their iron complexes were synthesized and characterized by elemental analysis, IR, 1H NMR and ESR measurements. 合成了2种视黄基席夫碱盐.利用元素分析、IR、1HNMR、ESR等手段对这2种席夫碱盐及它们与Fe的络合物的结构进行了表征。
Effect of Si in Base Iron on Graphite Morphology and Mechanical Properties of Heavy Section Ductile Iron 原铁液硅含量对厚大断面球墨铸铁件石墨形态与力学性能的影响
An investigation on the crack of rail base in Anshan Iron and Steel Company 鞍钢钢轨底裂原因的研究
The results also show that it is necessary to restrict Si of base iron within 1.2% in order to control graphite degeneration and improve mechanical properties, when the base iron melt is treated with 1.8% nodularizer contained Y and 0.4% inoculant contained Ba. 当钇基重稀土球化剂和含Ba孕育剂加入量分别为1.8%和0.4%时,原铁液硅含量控制在1.2%以内,有利于防止厚大断面球墨铸铁件石墨畸变,提高铸件力学性能。
Sulphur and phosphorus of base iron were decrease by low phosphorous and using the performance of deep-desulphurization and deep-dephophorization by alkalinous electric-arc furnace. 利用碱性电弧炉可以深度脱硫和脱磷的特点,并采用低磷生铁,使原铁液的硫、磷含量降低至较低水平。
Devonian in Qinling, Shaanxi Province now has become the main mineral resource base of iron, lead, zinc, silver, gold, mercury and antimony in China. 陕西秦岭泥盆系是我国铁、铅、锌、银、金、汞、锑等金属的重要矿产地。
The base iron with very low sulphur content and high RE makes the white structure. 薄壁球铁件白口组织产生的根本原因是回炉料循环使用,造成回炉料的含硫量极低和稀土含量高而导致的。
Because of large dimensions of the stator for large sized hydrogenerator and the restriction of the transportation conditions, the welding of stator base, iron core lamination, and bar inlaying should be completed in site. 大型水轮发电机的定子,因外形尺寸大,受到运输条件的限制,其定子机座组焊、铁心堆叠和线棒嵌放都需要在工地完成。
Firstly, microwave-absorbing aluminum base composites with magnetic iron nanowire array were successfully prepared by electrochemical deposition in porous anodic aluminum oxide template. 本研究对铝基板作阳极氧化并电沉积磁性铁纳米线,率先制成了铝基磁性铁纳米线阵列吸波材料。
Experimental study on casting technology of compacted graphite iron powerful diesel engine cylinder block was carried out on existing cylinder block high pressure molding line. The composition of base iron was 3.6%~ 3.9% C; 在现有汽缸体高压造型生产线上进行大马力柴油机蠕墨铸铁缸体的试验,试验铁液化学成分w为3.6%~3.9%C;
The white fracture tendency of thin wall nodular iron casting still has relation with storing time of base molten iron, inoculation method, cored wire injection qualities, wire feeding rate and pouring time and so on. 薄壁球铁件白口倾向还与原铁水的静止时间、孕育、芯线加入量、喂线速度、浇注时间有关。
Hebei province is an important base of iron and steel production, and is the most important industry in the national economy of this area. 河北省是中国重要的钢铁生产基地。
( c) to desulphurizing the base iron to reduce its sulphur content; 对原铁液脱硫,降低其硫量;
The Effect of Mo to the Properties of the Base Iron-Boron Alloy Mo含量对铁硼基合金烧结性能的影响
The raw material is the base of iron and steel industry. 原料是钢铁工业发展的基础。
The base iron with very low sulphur content makes the chilling tendency to be intensive; the carbon qualities increase with sulphur decreasing in base iron. 含硫很低的原铁液白口倾向大,石墨球数少;铸件碳化物含量随含硫量的降低而增加。