Pyri相关论文
In Zhangbaling Tectonic Belt,two types of mineralization,auriferous quartz veins and alter- ation halos,can observed wi......
Studies on the catalytic reaction mechanism of L-lactate dehydrogenase have been carried out by using quantum chemical ......
Laumontitization as an Exploration Indicator of Epithermal Gold Deposits: A Case Study of the Axi an
In the light of field investigation, microscopic study, X|ray phase analysis and mineral infrared spectral analysis, it ......
A Study of Relationship Between Universality in Fractal Colloids Aggregation and Time-dependent SERS
The relationship between the rule of time-dependent surface-enhanced Raman scattering (SERS) intensity of adsorbed pyrid......
Synthesis of porphyrin nitrogen mustards with potential anti-tumor activities in chemotheraphy and p
2,7,12,18-Tetramethyl-13,17-di[3’-N,N’-di(2"-chloroethyl)aminopropyl]porphin and it’s 3,8-di(1’-alkyloxyethyl)-anal......
Two new steroidal saponins,named timosaponin P(1) and timosaponin Q(2),were isolated from the rhizome parts of Anemarrhe......
Catalytic Effect of Cobalt and Iron Complexes Incorporating Bis(2-aldiminoethyl)amine Ligands on Eth
Complexes [MCl 2{CH 3N(CH 2CH 2N[CDS1]CR 1R 2) 2}]((3, M=Co, R 1=H, R 2=Ph ; 4, M=Fe, R 1=H, {R 2=Ph}; 5, ......
Synthesis and Crystal Structure of a 1D Coordination Polymer:{[Cu(HSSA)(py)_3]·H_2O}_n (H_3SSA =5-Su
The title compound [Cu(HSSA)(py)3H2O]n (H3SSA = 5-sulfosalicylic acid,py = pyridine) Ⅰ has been synthesized and structu......
The optimum conditions for sulfur removal from coal by electrochemical reduction flotation in an aqueous NaCl solution w......
Bioactivity-guided fractionation led to the isolation of a new steroidal saponin,orbiculatoside B, together with a pair ......
嘧啶氧苄胺类化合物作为新型ALS抑制剂类除草剂,具有广谱、高效、低毒、低残留、高选择性和与环境良好的兼容性等特点.本文分别对......
目的设计并合成6-(4-取代苯基)-4,5-二氢-3(2H)-哒嗪酮衍生物,并对其抗血小板聚集活性进行初步评价.方法以苯酚为原料,经多步反应......
Could Acid Sulfate Soils Be a Potential Environmental Threat to Estuarine Ecosystems on the South CH
Acid sulfate soils (ASS) contain considerable amounts of reduced sulfur compounds(mainly pyrite) which produce sulfuric ......
研究了三种水溶性维生素Ｂ２，Ｂ５和Ｂ６在以酪蛋白为蛋白源的饲料中的不同含量对中国对虾的存活率，体重增重率，体长增长率，蛋白质消化率及实验维生......
润湿性是控制油藏中流体的位置、流动和分布的主要因素 ,原油中的非烃化合物对油藏润湿性起着重要作用 ,但其中影响润湿性的主要因......
研究了电解还原法和金属腐蚀电偶法对煤和黄铁矿表面改性的机理.应用红外光谱和X射线衍射分析可知, 煤和煤系黄铁矿经不同电化学法......
岩石风化会造成岩体结构改变和物理力学性质恶化,造成工程失效和地质灾害.岩石风化尽管受到了岩土工程学家的关注,但对岩石生物-化......
4-Aryl-5-ethoxycarbonyl-1-H-1,2,3-triazoles have been prepared by treatment of ethyl polystyrylsulfonylacetate with subs......
Formation Mechanism of the Tongyu Gold Deposit,Shaanxi——A Discussion of a Model for the Formation of
The formation of the Tongyu gold deposit, controlled by regional polyphase deformation-metamorphism.is closely related t......
合成了１０种二丁基锡氮杂环羧酸酯（ｎ－Ｃ４Ｈ９）２Ｓｎ（Ｃｌ）２－ｎ（Ｏ２ＣＲ）ｎ（ｎ＝１，２；Ｒ＝吡啶基，吲哚烷基），利用元素分析，ＩＲ及＾Ｈ ＮＭＲ表征了它们的结构。......
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宁芜地区属于长江中下游多金属成矿带的中部，产有多处黄铁矿矿床，一些已达到大型矿床规模。它们形成的地质环境具有显著的火山热水沉......
梨波氏盘菌（Potebniamyces pyri，是一种危害苹果、梨等植物的弱病原菌，除了引起果树树皮的溃疡或坏死外，还可以引起储藏期梨果的腐烂病......
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