查询词典 alpha iron

In the preparation method, zirconium is mixed with benzenephosphonic acid according to the molar ratio of 1:2 to 1:4, and Alpha-zirconium phenyl phosphonate is produced by centrifugal washing after one to five days of crystallization under the temperature of 50 DEG C to 100 DEG C; deionized water is added in order to prepare Alpha-zirconium serosity, the solid content of which is 4 percent to 8 percent; the Alpha-zirconium serosity is granulated and dried by a rotary spray dryer, the feeding speed of the Alpha-zirconium serosity imported into an atomizer is controlled between 20ml/min and 80ml/min, and the temperature of a hot air inlet is controlled between 120 DEG C and 200 DEG C.

本发明涉及一种大比孔容微球α-苯膦酸锆及其制备方法，其颗粒尺寸为10～100μm，比孔容为0.908cc/g，比表面积为125.8m 2 /g；其制备方法是将锆和苯膦酸以摩尔比1∶2～1∶4混合，在50～100℃温度条件下晶化1～5天，离心洗涤得到α-苯膦酸锆；加入去离子水配制α-苯膦酸锆浆液，其固含量为4-8％；将α-苯膦酸锆浆液用旋转式喷雾干燥器进行造粒、干燥，控制α-苯膦酸锆浆液输入雾化器的进料速度为20～80ml/min，控制热风进风口温度为120～200℃；该方法具有操作简单、合成条件温和，对环境污染小等特点，该材料应用于催化、催化剂载体、吸附、离子交换等方面。

The company's main products are cast iron test platform, crossed the platform cast iron, cast iron welding platform, cast iron assembly platform, power mechanical vibration test stand (also known as the trough or iron beams, and rail), cast iron box, testing rod, V - iron, granite platform as well as other rock measuring.

公司的主打产品是铸铁检验平台、铸铁划线平台、铸铁铆焊平台、铸铁装配平台、动力机械震动试验台、铸铁方箱、检验棒、V型铁、花岗石平台以及其他岩石量具。

It applies to rust and stain on any polished-surface and matte-surface granite, marble, tile, polished tile, cement floor, wooden floor, furniture, clothes, automobile, cultural relics, etc, rust and stain which burglar mesh, iron sheet roof, indoor and outdoor iron stand washed by rain leave in the external wall of buildings, mottling of rust and stain formed when sparks stick into the ground or other buildings in welding with an electric welding machine, rust of hardware lock, mechanical equipment and electric appliances which is caused by long-termrest, especially humidity and leads to unsuccessful start,iron spot deep into stones, tiles, cement floor when flowerpot, metal drum, iron nail, wooden plate and so on are placed on the tableboard or floor for a period of time, yellowing and blackening on marble, places in buildings and family houses that can't be cleaned by hand, marks of iron stand on tiles, marble or cement ground and wooden floor when shelves in stores and hotels are placed for some time, rust stain on clothes, leather and bed sheet in case of contacting iron wire or iron nail.

适用于任何光面及哑光面的花岗岩、大理石、瓷砖、抛光砖、水泥地面、木地板、家具、衣物、汽车、文物等铁锈及污渍：防盗网、铁皮屋顶、室内外铁架等经雨水冲刷后，在建筑物外墙上留下的铁锈污渍；电焊机焊接时产生的火花粘到地面上或其它建筑物上，形成点状花斑的铁锈污渍；五金锁具、机械设备、电器产品等长时间放置，特别是因潮湿而引起的锈蚀无法开启时；花盆铁桶、铁钉、木板等物件法国能在台面或地板上一段时间后渗进石材、瓷砖水泥地面、木地板上留下的痕迹；衣服、皮革、床单等不小心碰到了铁线或铁钉上的锈渍斑；文物、古董、名贵瓷器、瓷砖等粘了污渍，但又不能用力擦洗时，此为最佳选择。

However, experts said Tsunehiro seamless iron ore resources through the "digging outside to inside", you can still break a certain extent, China in the world iron ore market in the dilemma has become China's iron and steel enterprises to open up new overseas iron ore supply channels to break the iron ore resource "bottlenecks" an important breakthrough in imports of iron ore so as to gradually establish a "China model" of China to face the world iron ore trade negotiations in the other a window.

但是恒博无缝管专家表示通过对铁矿石资源的&内挖外拓&，仍然可以在一定程度上打破中国在世界铁矿石市场中的窘境，成为我国钢铁企业开辟新的海外铁矿石供应渠道、打破铁矿石资源&瓶颈&制约的一次重要突破，从而逐步建立起进口铁矿石&中国模式&，成为中国面对世界铁矿石贸易谈判中的另外一扇窗。

Is a research, development, production and sales of integrated enterprise, mainly produces high-speed road crash barrier, the ball ink on water pipes, ductile iron pipe, centrifugal ductile iron pipe, ductile iron manhole covers, cast iron spilled water pipes, cast iron pipes, cast iron-cast copper-wing-style cast aluminum alloy radiator, cast iron railings fence, green railing, artistic doors, anti-theft, sewage wells, hoods,箅子, flexible pipe fittings and other products, can also be synchronized in accordance with the requirements of the customers design, drawings and samples custom processing.

连云港光明铸业有限公司，是集研制、开发、生产、销售于一体的综合性企业，主要生产高速路防撞护栏、球墨上水管、球墨铸铁管、离心球墨铸铁管、球墨铸铁井盖、铸铁泻水管、铸铁排水管、灰铸铁铸式铸翼式铜铝合金散热器、铸铁围墙栏杆、绿化栏杆、艺术大门、防盗、污水井、盖、箅子、柔性管件等系列产品，还可根据用户需要进行花样设计、来图来样加工定做。

Baoshan Iron and Steel Company Ltd., Benxi Iron and Steel, Anshan Iron and Steel, Handan Iron and Steel, Maanshan Iron and Steel, Tangshan Iron and Steel production of various specifications of cold-rolled plates and cold-roll can be a long-term futures agents.

公司主营宝钢、本钢、鞍钢、邯钢、马钢、唐钢生产的各种规格冷轧板及冷轧卷，可长期代理期货。

These compounds are of substantial interest both inviewpoints of theory and practical applications, mainlyunder the stimulus to achieve synthetic models either foractive sites of iron-sulfur proteins or for transitionmetal catalysts. This thesis describes the synthesis, structures andconformations of 51 new iron-sulfur cluster complexes,which have been characterized by elemental analysis andstandard spectroscopic methods. In addition, single-crystalX-ray diffraction analyses were performed for 4 representa-tive new compounds. Reactivities of μ-〓 with mono- and di- Grig-nard reagents derived intermediates toward various organicelectrophilic substrates were studied, along with complexa-tion of arynyl-containing iron-sulfur clusters by 〓Thus, several bridged, non-bridged, monomeric, dimeric,homonuclear, heteronuclear iron-sullfur and iron-sulfur co-balt-carbon cluster complexes were synthesized. A novelreaction and convenient route for the synthesis in highyield of tetranuclear iron complexes 〓 containing atetracoordinated sulfur atom was discovered, whereas aplausible mechanism based on experimental results was propo-sed for the formation of the new cluster type.

鉴于有机铁硫原子簇化学在基础理论发展和应用方面的重要意义，因此我们开展了这一课题的研究，并取得以下主要成果： 1、本文共合成了51个新有机铁硫及含钴碳簇基的有机铁硫原子簇配合物，除用元素分析，NMR，IR，MS法表征其结构和构象外，还用X-光衍射技术测得四个代表性配合物的单晶结构和构象； 2、我们业已发现炔基Grignard试剂同〓可形成一种&开环&与&闭环&中间物的平衡混合物，研究该平衡混合物同各种亲电试剂的反应； 3、研究发现了一种可高产率地形成〓含〓四配位硫挛合簇的新化学反应并对此反应提出了—种有趣的反应机理； 4、首次由1，4-二溴丁烷双Grignard试剂与〓制得一种新型铁硫簇双硫阴离子活性中间体，并进而研究了它的亲核反应性能； 5、找到了通过〓的光化学反应来合成簇合物〓-〓的一条有实用价值的新路线。

Iron oxide pigment is a color pigment which its basic substance is the oxide of iron, such as red iron oxide、black iron oxide、yellow iron oxide and brown iron oxide and etc.

氧化铁颜料主要指基本物质为铁的氧化物的氧化铁红、铁黄、铁黑、铁棕等着色颜料。

Results: The main iron agents were taken orally in the hospital and some of them were imported. In oral iron agents, polysaccharide iron complex and ferric ammonium citrate were used more frequent, and ferrous succinate was the first choice of treatment of iron deficiency anemia. The iron dextran was used only in the iron agents for injection.

结果显示，我院铁制剂利用以口服铁剂为主，其中部分为进口铁剂；口服铁剂中，多糖铁复合物胶囊、枸橼酸铁铵片应用较多，琥珀酸亚铁片作为预防和治疗缺铁性贫血的首选药物；注射铁剂中，右旋糖酐铁注射液应用较多。

At first, the principle of synthesis of iron oxide pigments including iron oxide yellow、iron oxide red and iron oxide black are explored. The conditions of synthesis of iron oxide pigments, such as concentration of iron sulfate 、value of pH、temperature、amount of air and dispersion tent of air in tank are investigated and optimized.

通过实验，总结和探讨了湿法合成氧化铁颜料—氧化铁黄、铁红和铁黑的基本规律，并对它们的合成条件，如硫酸亚铁浓度、pH值、温度、通气量、气体分散程度等因素进行了比较与分析。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。