查询词典 Bessemer pig iron

The treating process of blowing O_2、 N_2 Ar into molten cast iron and the dynamics and thermodynamics of the blowing process are studied. The effects of gas composite, blowing intensity, blowing form and molten iron temperature on molten iron composition and casting quality are analysed. And molten pig iron of the blast furnace is blown in 3t ladle.

用O_2、N_2、Ar气体对铁水进行吹炼处理，分析了吹炼处理的热力学与动力学原理，研究了吹炼处理的气体组成、吹气强度、吹气方式以及铁水温度对铁水成分与铸件质量的影响，并在3t铁水包中对高炉铁水直接进行吹炼处理。

Pig iron, the matrix consisted of more than 95% pearlite and a little amount of cementite also, whereas the graphite was of larger type-A, and the tensile strength and the hardness were of 202~238MPa and 220~237HB, respectively; when the metallic charge was 23% V-Ti pig iron plus 77% N.I.

研究钒钛生铁和球铁生铁对Cr-Cu-Mo可淬硬铸铁凸轮轴显微组织和性能的影响，讨论了D型石墨的形成机理以及D型石墨灰铸铁凸轮轴具有较高强度和较高硬度的原因。

The 'acid' Bessemer process, as the Victorian ironmasters discovered , could not eliminate phosphor, which is harmful to steel, so low phosphoric pig irons had to be used.

维多利亚女王时代的铁器制造商发现，酸性贝塞麦工艺不能去除对钢有害的磷，所以必须用低磷生铁进行冶炼。

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In this paper, we studied M. meretrix ferritin, cathepsin B and caspase genes, which are involved in clam larval shell formation, nutrition, metabolism and apoptosis, respectively. We have cloned the three genes, investigated the temporal and spatial expression profile both at gene and protein level in trochophore (L1), D-veliger (L2), pediveliger (L3) and postlarvae (L4). The potential roles of these proteins were analyzed with specific inhibitors during larval development. Firstly, embryos were found developed into trochophore-like larvae with no shell if cultured at gastrula stage in artificial seawater without iron. Shell-like structures were formed only in the presence of iron. The larvae which had been transferred at L1 stage into ASW developed normal shell. This indicated that iron and iron associated protein are important for larval shell formation. The EST sequence which is homologous with ferritin, which is a principal iron metabolic protein, was selected from the M. meretrix cDNA library. The full-length of ferritin subunit cDNA was cloned by RACE. The results of real-time PCR revealed that the MmeFer mRNA expression changed before and after the larval shell formation.

本论文以文蛤幼虫为研究对象，分别对文蛤幼虫发育过程中贝壳形成相关的铁蛋白、营养及变态相关的组织蛋白酶B及变态过程中细胞凋亡相关的caspase三个基因进行了克隆，分析了基因及编码蛋白在担轮幼虫期(L1)、D形幼虫期(L2)、壳顶幼虫期(L3)和稚贝期(L4)的时空表达特征，解析了其可能的功能，并研究了相应酶类的特异性抑制剂作用对幼虫发育过程的影响，进行了目标蛋白的功能验证，详述如下：研究结果显示，在文蛤胚胎发育到原肠胚时放入不含铁离子的人工海水中培养，发育成无壳的畸形，随着人工海水中铁离子添加浓度的升高，幼虫长出壳状组织接近正常状态；而发育到L1期幼虫放入不含铁离子的人工海水中培养却可以发育出正常的壳，推测铁和铁代谢相关蛋白在幼虫贝壳初始形成有重要的作用。

Stone is from rock, and rock is consist of the mineral, the mineral contain iron is the source of the iron in stone products , iron element spread widely in natural world, but most of them appear to be compound, iron element is belong to medium activity metal, under high temperature is easily to be strongly acted with oxygen, sulfur, chlorine, and easily dissolve in abio-weak acid solution and strong hydrochloric acid solution, at the same time, the strong alkali solution also corrade the iron.

石材是岩石经加工后所产生的制品，岩石是由矿物组成的，其中含铁矿物是石材中铁质的来源。铁元素在自然界中分布甚广，但大多以化合物的方式出现，由于铁元素属中等活泼性的金属，在高温下易和氧、硫、氯等元素发生强烈反应，并易溶于无机稀酸和浓盐酸的溶液中，同时浓碱溶液也易侵蚀铁。

Micaceous iron oxide used for rust-proofing paint, magnetic iron oxide, and micaceous iron oxide pearlescent pigment which is made by covering micaceous iron oxide are also included in serial iron oxide.

传统上用作防锈颜料的云母氧化铁，以及在云母氧化铁的表面上进行包膜，得到的各种色彩的珠光颜料，都属于氧化铁颜料的范畴。

The second part was to test the appearance, ingredient analysis, surface potential, thermal conduction properties, and magnetism of the nano composite fluid prepared from the parameters. The experiment found that unoxidized particles, Ag, Cu, Fe, and Ni appeared round. If combined with oxygen in water as oxides, the nano particles would grow toward certain directions. In copper/iron nano composite fluid, FeO appeared cubic, Cu2O appeared coniferous. In silver/iron nano composite fluid, FeO was polygonal. In dielectric potential detection, the nano composite fluid was likely to aggregate and deposit, except for silver/iron set. In other sets, the pH of silver/cobalt nano composite fluid was 7, surface potential was 21.21mV; the pH for silver/nickel nano composite fluid was 6.5, surface potential was 21.04mV; the pH for copper/iron nano composite fluid was 7, surface potential was -30mV. The fluid particles of the three sets could all maintain suspension of 2 weeks or more. For thermal conduction, the silver/nickel, nano composite fluid showed the best thermal conduction. Under temperature of 30℃ fluid weight conduction of 0.4%, the thermal conduction increase was 26%. For magnetic detection, except for silver/iron nano composite fluid, the nano particles of other three sets were paramagnetic, and all four sets were soft magnetic nano composite materials.

第二部分。将由较佳制备参数所产出的奈米复合流体，进行形貌外观、成分分析、表面电位及热传导性质实验与磁性检测；在奈米颗粒的形貌部分，经实验发现Ag、Cu、Fe、Ni等未氧化的颗粒皆呈现近似圆形，而若与水中的氧结合形成氧化物，奈米颗粒则会朝特定方向成长，在铜/铁奈米复合流体中FeO为四方体结构、Cu2O的颗粒是针叶状，在银/铁奈米复合流体中FeO则为多边形结构；而介面电位检测方面，结果显示经本制程所产出的奈米复合流体除银/铁奈米复合流体这一组较容易聚集沉淀外，其他三组中银/钴奈米复合流体的pH值为7，表面电位为21.21mV，银/镍奈米复合流体的pH值6.5表面电位为21.04mV而铜/铁奈米复合流体的pH值为7时表面电位约在-30mV，且此三组流体颗粒皆能维持悬浮性2周以上，悬浮性较佳；热传导实验部分，四组奈米复合流体中以银/镍奈米复合流体在增进热传上效果最佳，在温度30℃及流体重量浓度0.4﹪条件下热传导系数增进达26﹪；磁检测方面，除了银/铁奈米复合流体外，其他三组奈米颗粒皆属顺磁性，且这四组奈米复合材料都是属软磁性。

Key products include: cast iron plate, cast iron platform, the test platform, crossed platform, Maohan platform, fitter platform, table, Ping-foot, to me, V-type, V-iron, right-angle-foot, V-iron, foot bridge , Curved panels, machine damping Sizing Block, adjusted Sizing Block, partial-place, Jack, special wrench, gear Gear beat Tester; platform granite, marble slab, Ping-foot, V-iron, to me, Jiaochi, V-shaped blocks, such as platform support.

主要产品包括：铸铁平板、铸铁平台、检验平台、划线平台、铆焊平台、钳工平台、工作台、平尺、方箱、V型架、V 型铁、直角尺、V型铁、桥尺、弯板、机床减震垫铁、调整垫铁、偏摆仪、千斤顶、特种扳手、齿轮齿圈跳动检查仪；花岗石平台、大理石平板、平尺、V型铁、方箱、角尺、V型块、平台支架等。

And with advanced physical and chemical testing equipment, so that production of ordinary carbon steel materials castings, iron castings; alloy steel castings; non-ferrous metal castings; ordinary ductile cast iron parts, wear-resistant, high temperature for Ductile Iron Castings; various centrifugal unlimited cold Hard Cast Iron Roll, Chilled Ductile Iron unlimited roller; all kinds of wire rod, rebar, steel roller with groove, such as product quality is fully guaranteed.

并具有先进的理化检验设备，使生产的各种材质的普通碳钢铸件、铁铸件；合金钢铸件；有色金属铸件；普通球墨铸铁件，耐磨、耐高温球墨铸铁件；各种离心无限冷硬铸铁轧辊、无限冷硬球墨铸铁轧辊；各种线材、螺纹钢、型钢用孔型轧辊等产品质量得到充分保证。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。