浅谈我国磷复肥行业入世后的竞争能力及对策

在简要描述我国磷复肥行业现状的基础上，以磷酸二铵 ，从我国磷复肥行业的技术装备水平，企业组织构构及负债情况、产品、原料价格及成本构造成等方面分析了我国磷复肥行业入世后的竞争能力，并提出了一些增强竞争能力的相应对策。     

浅谈我国磷复肥行业入世后的竞争能力及对策

从生产技术和装备水平、企业组织机构和负债情况、产品原料价格和构成以及产品质量、品牌、售价、售后服务等方面分析我国磷复肥行业入世后的竞争能力。国产磷复肥为提高竞争能力应采取的对策     

浅谈我国磷复肥行业入世后的竞争能力及对策

从生产技术和装备水平、企业组织机构和负债情况、产品原料价格和构成以及产品质量、品牌、售价、售后服务等方面分析我国磷复肥行业入世后的竞争能力以及国产磷复肥为提高竞争能力应采取的对策.     

我国磷复肥行业的新常态——挑战与机遇并存

回顾过去30年我国磷复肥行业的发展历史;分析了新常态下我国磷复肥行业面临的挑战与机遇;从政府、行业协会、生产企业等方面对我国磷复肥行业的发展提出了建议。     

WTO与中国过磷酸钙工业

我国加入 WTO后 ,化肥市场将逐步放开 ,国内磷复肥工业面临着全新的竞争态势。探讨入世对我国以过磷酸钙为主的磷复肥企业的影响和今后过磷酸钙的生存空间     

磷复肥行业入世竞争能力分析与建议

从产品、机构、人员、负债、成本、价格、销售、服务等方面分析我国磷复肥入世后的竞争力.为提高竞争能力保障磷复肥的健康发展提出几点建议.     

硫磺涨价困扰我国磷肥和磷复肥行业

在我国硫磺主要用来制硫酸,继而用于生产磷肥和磷复肥,硫磺市场价格的变动直接影响磷肥和磷复肥生产成本。分析了2007年以来国际市场硫磺价格一路飞涨、我国硫磺进口价格偏高及其对磷肥和磷复肥行业的影响,并就我国如何应对上述问题提出了建议。     

硫磺涨价困扰我国磷肥和磷复肥行业

在我国硫磺主要用来制硫酸，继而用于生产磷肥和磷复肥，硫磺市场价格的变动直接影响磷肥和磷复肥生产成本。分析了2007年以来国际市场硫磺价格一路飞涨、我国硫磺进口价格偏高及其对磷肥和磷复肥行业的影响，并就我国如何应对上述问题提出了建议。     

贵溪化肥厂生产回顾及对磷复肥工业发展的建议

对贵溪化肥厂投产以来生产情况及存在问题作了分析,简单比较国内磷复肥行业现状与国外存在的差距,结合我国磷复肥工业现状对行业发展提出了几点建议。     

磷复肥装置尾气深度治理的工艺研究

磷复肥装置尾气深度净化脱白处理对磷复肥行业有着重要的影响。分析尾气"有色烟羽"产生原因和机制,介绍国内外常用的尾气脱白设备工艺,介绍东华工程科技股份有限公司尾气脱白新技术。     

Orthophosphates and Diphosphates Containing Zinc and Copper and Zinc and Cobalt

Solid solutions of diphosphates of zinc and copper and of zinc and cobalt were synthesized from mixtures of pure diphosphates at temperatures up to 1000°C. Their X-ray diffractometry patterns varied continuously from one end member to the other. Solid solutions of orthophosphates of composition Zn_3−xCox(PO₄)2, with x = 0.4–1.6, were formed at temperatures up to 950°C; all exhibited the structure of γ-Zn₃(PO₄)2. Solid solutions of orthophosphates of composition Zn_3−xCu_x(PO₄)2 exhibited more-complex behavior. At 1000°C and copper contents of 20–80 mol%, a phase that is related to Cu₃(PO₄)2, termed here the "ε-phase," predominated. At 850°–950°C and in the region from 20 mol% to ∼33 mol% of copper, the solid solutions (the "η-phase") adopted the structure of graftonite. At 800°–900°C and 10–15 mol% of copper, the solid solutions exhibited a new structure (the "δ-phase"), which we found to be related to the mineral sarcopside. At temperatures 950°C, the solutions that contained 5–15 mol% of copper (the "β-phase") had the structure of β-Zn₃(PO₄)2, whereas at 800°–850°C, solutions with 5 mol% of copper (the "-phase") exhibited the structure of γ-Zn₃(PO₄)2. Attempts to synthesize Cu⁺ZnPO₄ and Cu⁺Cu²⁺Zn₃(PO₄)3 were unsuccessful.     

科技创新与钢铁科技进步

建设创新型国家是我们中华民族的历史责任。“自主创新、重点突破、支撑发展、引领未来”的16字方针应当成为我们未来创新活动的指南。建设创新型国家把自主创新放在首位,并提出了引领未来的高标准要求。钢铁科技创新必须突出重点,抓住创新成果产业化这个关键,支撑起行业和国民经济的发展。     

油气管道及储运设施安全保障技术发展现状及展望

相比已经完善丰富的开采和勘探技术,油气的运输以及储存却仍然存在不足之处。我国对能源安全提出更加严格要求的同时,对区域经济的发展规划也有足够重视。因此,保障油气管道的安全则成为了我国能源安全战略的重中之重。在阐释油气管道现阶段在储运安全保障技术发展状况的基础上,分析了现存的问题及解决问题的手段,并指出未来可能使用的目标策略,为今后研究者提供一定程度上的借鉴经验。     

膜的污染和劣化及其防治对策

较为系统地介绍了膜污染和劣化的定义和特点,因膜污染和劣化而造成的膜性能变化,以及如何预防、减少或清除膜污染和劣化的一些通用方法。     

填料-橡胶的化学和物理作用及补强ⅡN330,SiO2,n-SiO2和n-SiO2/KH-846与NR

研究了填料－橡胶的相互作用。发现N330－NR间的相互作用。n－SiO2（粒径：15nm）／KH－846－NR间的相互作用，都是化学作用占优势（＞80％），化学作用对补强的贡献率都大于90％；无偶联剂KH－846时，n－SiO2和SiO2（粒径：15．8nm）与NR都无化学作用，只有物理交联，由于隔离作用，都降低硫化体系与橡胶相互作用的化学交联密度，但n-SiO2的物理交联密度是SiO2的2．6倍，对补强的贡献是SiO2的1．9倍，也是n-SiO2／KH－846体系的61％。     

Crystallography and equilibrium solubility for ammonium and potassium orthophosphites and hypophosphites

The composition and solubility properties of eight ammonium and potassium orthophosphites and hypophosphites were determined to evaluate the potential of these classes of materials for increasing the plant nutrient content of liquid fertilizers. Phase relationships for the systems (NH₄)₂O-P₂O₃-H₂O, K₂O-P₂O₃-H₂O, (NH₄)₂O-P₂O-H₂O, and K₂O-P₂O-H₂O were determined along with the crystallographic properties (X-ray and optical) of the solid phases. Toxicity and phosphite response was tested in greenhouse experiments for the compounds.     

Synthesis and Biological Evaluation of (−) and (+)-Spiroleucettadine and Analogues

A second-generation enantiospecific synthesis of spiroleucettadine is described. The original reported antibacterial activity was not observed when the experiment was repeated on the synthetic samples; however, significant anti-proliferative activity was uncovered for both enantiomers of spiroleucettadine. Comparison of the optical rotational data and ORD-CD spectra of both enantiomers and the reported spectrum from the natural source have not provided a definitive answer regarding the absolute stereochemistry of naturally occurring spiroleucettadine. Efforts then focussed on alteration at the C-4 and C-5 positions of the slightly more active (−)-spiroleucettadine. Ten analogues were synthesised, with three analogues found to possess similar anti-proliferative profiles to spiroleucettadine against the H522 lung cancer cell line.     

VB与Excel数据导入导出的研究与实现

通过引用Excel对象实例和ADO对象,解决VB中的数据与Excel数据导入、导出的问题.     

绿色火炸药及相关技术的发展与应用

综述了绿色火炸药及其生产工艺、销毁以及回收利用方面具有“绿色”特征的改进和应用研究成果。绿色火炸药包括洁净固体推进剂、无铅双基推进剂、TPE发射药、无毒发射药、无铅点火药和起爆药。绿色制造技术包括N2O5作硝化剂的含能硝基化合物化学合成,过硝酸盐作硝化剂、微生物作催化剂的生物合成技术,连续化柔性制造技术,基于双螺杆混合成型火炸药生产技术,火炸药生产中挥发性污染物的安全消除技术和纳米复合含能材料的Sol-Gel制备技术。绿色销毁和回收利用技术包括销毁产品的熔盐氧化技术、摧毁含含能化合物废水的光催化技术以及火炸药的回收再利用（R^3）技术。评述了上述火炸药及相关技术的最新状况和发展方向,附参考文献25篇。     

Tetraalkynylated and Tetraalkenylated Benzenes and Pyridines: Synthesis and Photophysical Properties

Tetra(arylalkynyl)pyridines and tetra(arylalkenyl)pyridines and their benzene analogues were prepared by palladium‐catalyzed cross‐coupling reactions from the commercially available chlorinated substrates in good to excellent yields. The photophysical properties of selected compounds were investigated and compared to each other. Very good fluorescence quantum yields were observed, especially for the pyridine derivatives.