宜兴市东山新型材料有限公司铸造材料部

一、造型材料，1、砂：石英砂、钙砂、匣钵砂、莫来石砂、刚玉砂、锆英砂、棕刚玉砂、橄榄石砂、陶砂、铝矾土、白云石、电熔石英、石膏、铬铁矿、叶蜡石2、粘结剂：硬脂酸、合脂、石蜡、硅溶胶、黄糊精、CMC、硅酸乙脂、沥青、耐火泥、氯化镁、硼酸、乌洛托品、氧化铝、修补膏、合箱粘结剂、泥芯膏、脱模剂可供其他各类造型材料几十个品种。     

长沙市秋龙仪器设备有限公司

我公司主营金、银、铜、钨、钼、镍、钴、铋、钒、锰、铜、钡、钙、镉、铟、铅、锌、锑、锡、碲、铁等金属及煤碳、钾、钠等非金属矿分析检测设备,同时提供仪器设备技术咨询、人员培训、仪器设备安装调试、维修及化学试剂、固（液）态标准样品（如三氧化钨、三氧化钼、锰矿标样、钼酸铵等）、玻璃仪器（如天玻兰线酸碱滴定管）、     

山西省水系沉积物含量特征及铜元素地球化学分布特征

依据山西省90年代完成的1:20万区域化探扫面成果,本文系统的统计了山西省Ag、As、Au、B、Ba、Bt、Bi、Cd、Co、Cr、Cu、F、Hg、La、Li、Mn、Mo、Nb、Ni、P、Pb、Sb、Sr、Th、Ti、U、V、W、Y、Zn、Zr、SiO_2、Al_2O_3、Fe_2O_3、MgO、CaO、Na_2O、K_2O等38元素的平均含量及其在不同地质单元中的平均含量、标准差、变异系数和浓集系数。并以Cu元素为例总结了元素的分布特征。     

长沙市秋龙仪器设备有限公司

我公司主营金、银、铜、钨、钼、镍、钴、铋、钒、‘锰、铜、钡、钙、镉、铟、铅、锌、锑、锡、碲、铁等金属及煤碳、钾、钠等非金属矿分析检测设备,同时提供仪器设备技术咨询、人员培训、仪器设备安装调试、维修及化学试剂、固（液）态标准样品（如三氧化钨、三氧化钼、锰矿标样、钼酸铵等）、     

河北省金属学会第三届理事会理事、常务理事、正副理事长、正副秘书长选举结果

三届理事会理事名单(以姓氏笔划为序)丁俊德、马名明、马锡良、于流洪、孔庆夫、王檀、王万祥、王达斌、王有志文铁铮、由流、冯艾华、帅念之、刘涛、刘克忠、刘宗久、刘家润、朱章耀孙文林、吕方润、吕铸堂、肖幼泉、肖来潮、肖明伟、肖福荣、辛达夫、邵锡琪陈志敏、陈林生、谷南驹、迟景华、李壮成、李亚增、李述敬、李振华、李跃娟李鸿荣、吴益明、张策、张一华、张日选、张家树、张渭林、郑世伟、孟庆善杨宗毅、杨秉兴、杨树德、战克、唐琦、唐绍武、徐庆善、徐建华、高兴华高绍先、陶良晋、梁克钧、夏眉垂、殷瑞伍、康大韬、崔国栋、程…     

基于M~3组织调控的钢铁材料基础理论研究与高性能钢技术

正编号:2017205获奖等级:壹等完成单位:钢铁研究总院、北京科技大学、上海大学、东北大学、清华大学、山西太钢不锈钢股份有限公司完成人:董瀚、翁宇庆、曹文全、尚成嘉、孙新军、王存宇、李麟、罗海文、史文、雍岐龙、王昭东、周惠华、石发才、宋长江、王昌     

钢铁上市公司2012年1-3季度盈利情况分析

安阳钢铁、鞍钢股份、八一钢铁、包钢股份、宝钢股份、小钢板材、杭钢股份、河北钢铁、华菱钢铁、山东钢铁、酒钢宏兴、凌钢股份、柳钢股份、码钢股份、南钢股份、三钢闽光、沙钢股份、韶钢松山、首钢股份、太钢不锈、武钢股份、新钢股份、     

国家拟出台严厉措施淘汰落后产能

国家拟出台进一步加强淘汰落后产能工作的通知,协调发改委、工信部、环保部、国土部、商务部、海关总署、财政部、央行、银监会、质检总局、安监总局、工商总局、电监会、能源局等,以严厉措施,重点完成电力、煤炭、钢铁、水泥、有色、焦炭、造纸、皮革、     

《中国钼业》来稿须知

本刊主要刊登钼及其共（伴）生金属（钨、铼、金、银、铂、镍、钯、铱、铜、铁一锌、钙、铅、铀、锡等）的地质、采矿、选矿、冶炼、合金、加工、化工、有价金属回收与利用、设备、分析检测等领域内的“四新”（新产品、新工艺、新技术、新材料）科技与成果,还报道钼市场动态、行业信息、专利技术等。     

中国钢铁工业协会 中国金属学会 冶金科学技术奖获奖项目简介

先进高强度薄带钢制造技术与产业化编号:2013126获奖等级:特等完成单位:宝钢集团有限公司、宝山钢铁股份有限公司、宝钢工程技术集团有限公司完成人:徐乐江、李俊、王利、周建峰、储双杰、张丕军、蒋浩民、胡广魁、朱晓东、李玉光、熊伟、刘华飞、张红、鲍平、张理扬、孟庆格、舒巧军、郑建平、叶学卫、职建军、何晓明、袁俭、徐静、刁可山、阮星谊、刘益民、汪阳盛     

High-Purity Nickel Prepared by Electron Beam Melting: Purification Mechanism

A bulk cylindrical high-purity nickel ingot, with purity of more than 99.999 pct (5N) in mass, was obtained from the raw nickel with 99.95 pct (3N5) initial purity by virtue of double electron beam melting (EBM). A chemical analysis was performed by using glow discharge mass spectrometry (GDMS) analysis for all elements in the periodic table except carbon, nitrogen, and oxygen, which were tested by the high-performance combustion and fusion method. The major impurities B, Na, Al, Si, P, S, Ca, Ti, Cr, Fe, Cu, Co, Zn, As, Ag, Sb, and Pb showed an excellent removal effect with removal efficiency of more than 85 pct following the double EBMs. Li, Mg, Cl, K, V, Mn, Ga, Ge, Cd, Se, In, Sn, Tl, Au, and Pt were below the detection limit. No significant change in concentration was found for the refractory elements W, Mo, Ta, Nb, and Ir. Be, F, Sc, Se, Br, Rb, Sr, Zr, Y, Ru, Rh, Pd, Te, I, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Re, Os, Hg, Bi, Th, and U were not detectable following the purification as compared to the raw nickel. Gaseous impurities, C, N, O, especially for N, was removed sufficiently. Theoretical calculations for removal efficiency of impurity Fe based on the calculated vapor pressure, activity coefficient, and melt temperature were in good agreement with measured results, and the purification mechanism was ascribed to the evaporation of major impurities and subsequently evacuation by repetitive EBM.     

The lithium ion: a foundation for psychopharmacological specificity

The preparation of hair for the determination of elements is a critical component of the analysis procedure. Open-beaker, closed-vessel microwave, and flowthrough microwave digestion are methods that have been used for sample preparation and are discussed. A new digestion method for use with inductively coupled plasma-mass spectrometry (ICP-MS) has been developed. The method uses 0.2 g of hair and 3 mL of concentrated nitric acid in an atmospheric pressure-low-temperature microwave digestion (APLTMD) system. This preparation method is useful in handling a large numbers of samples per day and may be adapted to hair sample weights ranging from 0.08 to 0.3 g. After digestion, samples are analyzed by ICP-MS to determine the concentration of Li, Be, B, Na, Mg, Al, P, S, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ge, As, Se, Rb, Sr, Zr, Mo, Pd, Ag, Cd, Sn, Sb, I, Cs, Ba, Pt, Au, Hg, Tl, Pb, Bi, Th, and U. Benefits of the APLTMD include reduced contamination and sample handling, and increased precision, reliability, and sample throughput.     

Alkaloids of Thalictrum. XV. Isolation and identification of the hypotensive alkaloids of the root of Thalictrum lucidum

Sixteen alkaloids, namely homoaromoline, obaberine, O-methyl-thalicberine, oxyberberine, thalidasine, thaliglucinone, thalrugosine, obamegine, oxyacanthine, berberine, columbamine, jatrorrhizine, magnoflorine, palmatine, thalifendine and base A chloride, plus the artifact, 8-trichloromethyldihydroberberine, were isolated from the alkaloid fraction of the roots of Thalictrum lucidum L. Of these, obamegine, thalrugosine, O-methylthalicberine, thaliglucinone, obaberine and homoaromoline were found to possess hypotensive activity in normotensive dogs. Thalidasine, homoaromoline, thalrugosine, thaliglucinone, obamegine, jatrorrhizine, and columbamine were found to possess antimicrobial activity against Mycobacterium smegmatis at a concentration of 100 mug/ml or less.     

Minimum inhibitory concentrations for selected antimicrobial agents against organisms isolated from the mammary glands of dairy heifers in New Zealand and Denmark

Minimum inhibitory concentrations were determined for selected antimicrobial agents against 872 bacteria isolated from intramammary infections in heifers in New Zealand (n = 401) and Denmark (n = 471). These values were reported in micrograms per milliliters. Antimicrobial agents tested against isolates from New Zealand were penicillin, cloxacillin, cephapirin, ceftiofur, novobiocin, enrofloxacin, erythromycin, and pirlimycin. The minimum inhibitory concentrations that inhibit 90% of the strains tested for these antimicrobial agents with Staphylococcus aureus were 4.0, 0.5, 0.5, 2.0, 1.0, 0.25, 0.5, and 1.0, respectively. The minimum inhibitory concentration values that inhibit 90% of the strains tested against the Staphylococcus spp. ranged from 0.5 to 1.0 for all antimicrobics. The minimum inhibitory concentrations against streptococci were < or = 0.06, 0.5, 0.13, 0.13, 4.0, 1.0, 0.13, and < or = 0.06, respectively. Antimicrobial agents tested against isolates from Denmark included penicillin, ampicillin, oxacillin, cephalothin, ceftiofur, penicillin plus novobiocin, erythromycin, and pirlimycin. Against S. aureus, the minimum inhibitory concentrations were 0.13, 0.5, 0.5, 0.5, 1.0, 0.25, 0.5, and 0.5, respectively. The minimum inhibitory concentrations against Staphylococcus spp. were 0.25, 0.25, 0.5, 0.5, 1.0, < or = 0.06, 0.13, 1.0, and 0.5, respectively. The minimum inhibitory concentrations against the streptococci were < or = 0.06, 0.13, 0.5, 0.5, 1.0, < or = 0.06, 0.13, 0.5, and 0.5, respectively. Minimum inhibitory concentration values for staphylococci from New Zealand and Denmark were similar to values reported for US isolates. Streptococci from New Zealand and Denmark had lower minimum inhibitory concentration values than did US isolates. Only ceftiofur and enrofloxacin were active against the Gram-negative bacilli.     

Calculation of Some Properties of the Cubic Oxides of II-VIII Group Metals

Experimental data on the bulk modulus of elasticity, thermal expansion coefficient, specific heat capacity, specific volume, Grueneisen constant, and atomization energy of the cubic monoxides of Mg, Ca, Sr, Cd, Ba, Eu, Th, U, Pu, Ti, Zr, V, Nb, Ta, Cr, Mn, Fe, Co, and Ni were analyzed. Using six correlation relationships values of unknown properties and adjusted values of known properties at 298 K were calculated.     

Sensoristrain: an exploration of nursing interventions in the context of the Neuman systems theory

Platelet-activating factor (PAF), identified as 1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine, exhibits potent proinflammatory properties. PAF is produced by numerous cell types, including endothelial cells, neutrophils, monocytes, macrophages, basophils, eosinophils and mastocytes. Since the discovery and identification of the chemical structure of PAF, a large variety of specific PAF-receptor antagonists, both natural and synthetic compounds, have been described. Intensive research has been conducted and development programs set up by more 25 pharmaceutical companies world-wide, studying the therapeutic interest of more than 50 PAF-receptors antagonists in various pathophysiological conditions. Medline (1966-1996), Embase (Excerpta Medica; 1974-1996), and other biomedical and drug directory databases were searched to identify English-language articles (basic science, clinical trial research, and review articles) and abstracts of conference proceedings on PAF receptor antagonists and related terms. The most important PAF receptor antagonists are reviewed with their effectiveness in various experimental tests. Fundamentally, PAF antagonists may be divided in two groups: natural and synthetic compounds. Natural (Ginkgolides, Kadsurenone, Chantancin, Phomactin, Swietemohonin A, Prehispalone, THC-7-oic acid, Aglafoline, FR 900452, PCA 4248 and SCH 37370), and synthetic antagonists (CV-3988, CV-6209, SRI 63-072, SRI 63-441, UR-10324, UR-11353, E-5880, CL 184005, 6-Mono and Bis-aryl phosphate antagonists, TCV-309, Ro-74719, WEB 2086, Y 24180, BN 50726, BN 50727, BN 50730, BN 50739, Ro 24-4736, Ro 24-0238, RP 55778, RP 59227, RP 66681, YM 264, YM 461, SM 10661, SR 27417, UK 74505, BB 182, BB 823, BB 654, SDZ 64-412, SDZ 65-123, L 652731, L 659898, L 668750, L 671284, L680573, L 680574, CIS 19, ABT-299 and Pinusolide) have a great variability in their chemical structure that might have importance in their different pharmacological profile. The great majority of these drugs are under development, and only a few have undergone clinical trials.     

A steady state of 3-hydroxy-3-methylglutaryl coenzyme A reductase activity in cultured rat liver cells and the increase of its activity by dexamethasone

Sandoz seed dressing 6335 showing high efficacy in checking the growth of the maize stalk rot pathogen Erwinia carotovora f. sp. zeae Sabet in culture. Brestan, Antracol, Difolatan, Aratan, Duter, Ceresan wet, Flit-406, Cuman, Blitox-50, Streptocycline, Agrimycin, Terramycin, Actidione, Aureomycin, Chloromycetin, Penicillin G, and Streptomycin were moderately effective. The rest of the 35 chemicals was negligible in its influence. 15 different chemicals, namely Agrimycin, Streptocycline, Chloromycetin, Sodium penicillin G, Actidione, Terramycin, Aureomycin, Sandoz seed dressing 6335, Antracol, Aratan, Blitox-50, Diflotan-80, Ceresan wet, Cuman and Brestan 60 could also control the disease, but only when the plants were treated in vivo immediately after inoculation. They could not show any effectiveness, however, after 24, 48, and 72 hours of inoculation, showing their failure to control, once the infection has taken place by the pathogen.     

电感耦合等离子体原子发射光谱法同时测定铝土矿中40种组分

采用NaOH熔融分解样品,热水浸取熔融物,加入酒石酸络合钨、钼、铌、钽等易水解元素,然后在盐酸介质中用电感耦合等离子体原子发射光谱法同时测定铝土矿中Al2O3、SiO2、Fe2O3、TiO2、CaO、MgO、K2O、P2O5、MnO、Ga、Ge、V、Li、Cr、Nb、Ta、Sr、Zr、Hf、Sc、La、As、B、Ba、Be、Bi、Cd、Co、Cu、Ni、Pb、Sb、Sn、Tl、Zn、Mo、Se、In、Te和W等40种组分。通过筛选分析谱线、合理设置背景扣除位置及干扰元素校正系数,避免了光谱干扰。方法检出限为 0.05~0.85 μg/g。用本法测定了铝土矿国家标准物质和实际样品中的上述40种组分,测定值与认定值或化学法测定值吻合,测定结果的相对标准偏差（RSD,n=11）在0.15%~5.9%之间。     

电感耦合等离子体原子发射光谱法测定高碳除尘灰中11种元素

实验重点探讨了高含量碳对除尘灰样品中镁、铝、钾、钙、铬、锰、铜、钡、铅、镉、锌等元素测定的影响,并解决了除碳的问题。样品使用马弗炉高温除碳,采用盐酸-硝酸-氢氟酸-高氯酸消解样品灰分,选择了镁、铝、钾、钙、铬、锰、铜、钡、铅、镉、锌等元素的分析谱线和扣背景模式,建立了使用电感耦合等离子体原子发射光谱法(ICP-AES)测定高碳除尘灰中镁、铝、钾、钙、铬、锰、铜、钡、铅、镉、锌等元素的方法。在仪器最佳工作条件下,各元素校准曲线线性相关系数r均大于0.999 5,方法检出限在1.08～26.01 mg/kg之间。方法应用于除尘灰实际样品中镁、铝、钾、钙、铬、锰、铜、钡、铅、镉、锌的测定,结果的相对标准偏差(RSD,n=11)为0.90%～7.1%,目标元素的加标回收率为90%～117%;按照实验方法测定除尘灰中镁、铝、钾、钙、锌,结果与火焰原子吸收光谱法(FAAS)的测定结果相吻合。     

Comparison of results analyzed by Chinese and European laboratories for FOREGS geochemical baselines mapping samples

Geochemical subsoil data obtained from China and European laboratories have been compared in this study. 787 C horizon subsoil samples from FOREGS (Forum of European Geological Surveys) geochemical baselines mapping project were sent to China's IGGE (Institute of Geophysical and Geochemical Exploration) laboratory and composited to 190 samples according to the 160 km × 160 km GNT (Global Terrestrial Network) cells. In addition to the FOREGS elemental analysis package, Au, Pt, Pd, B, Ge, Br, Cl, Se, N, Li and F were also analyzed by using the IGGE's 76 element analytical scheme. Geochemical data statistics, scatter plotting, and geochemical map compilation techniques have been employed to investigate differences between FOREGS and IGGE analytical results. The results of two datasets, the IGGE's analysis data for composited samples, and the FOREGS average data of samples in each GNT cell, agree extremely well for about 23 elements, viz: SiO2, Sr, Al2O3, Zr, Ba, Fe2O3, Ti, Rb, Mn, Gd, CaO, Ga, MgO, P, Pb, Na2O, Y, Th, As, U Sc, Cr, and Co. There are slight differences between-laboratory biases shown as proportional errors between the datasets for Ni, K2O, Tb, Tl, Cu, S, Sm, La, Ce, Pr, Nd, Eu, Ho, Er, Tm, Yb, Lu, Ta, Nb, Hf, and Dy. For Cd, Cs, Be, Sb, In, Mo, I, Sn, and Te, the correlation of the two datasets and the similarity of the geochemical maps are fairly good, but obvious biases exist between the two datasets at values near detection limits.