PY相关论文
将二氧化碳转化为高附加值的燃料和化学品是缓解当前能源危机和控制温室气体排放的有效策略之一,但此法受限于缺乏高活性与高选择......
The catalytic fast pyrolysis of cellulose impregnated with phosphoric acid (H3PO4) offers a promising method for the sel......
土地整治项目中,耕地质量等别评定要求按不同项目、不同专题进行制图,当项目数量较多时,按项目按专题单张出图的传统方式需要耗费......
随着我国畜禽水产养殖业的进一步发展,优质动物蛋白的短缺日趋严重,进口鱼粉的价格不断上涨,进而使养殖业成本增加,效益下降。一......
<正> Phenylacetic acid has been employed in the determinations of thorium and scandium.As thorium and scandium may be pr......
标准总辐射应由标准直接日射表和标准散射日射表来测量。建立散射日射标准和校准方法，将世界辐射测量基准（WRR）从标准直接日射表直接......
Structures and luminescence properties of two copper(I) halide complexes featuring 2-(2-benzimidazol
Two new copper(I) halide complexes bearing 2-(2-benzimidazolyl)-6-methylpyridine(Hbmp) and PPh_3 ligands, Cu(Hbmp)(PPh_3......
Synthesis,Bioactivity and Crystal Structure Analysis of Diisopropyl[(4-cyanopyrazol-3-ylamino)(2-hyd
The title compound,diisopropyl[(4-cyanopyrazol-3-ylamino)(2-hydroxylphenyl) -methyl] phosphonate was synthesized by the ......
在去离子水中合成了标题配合物[Co(py)3(H2O)3](1,5-nds)(py=吡啶,1,5-nds=1,5-萘二磺酸根离子),通过红外光谱、X射线单晶衍射、热......
Synthesis, Crystal Structure and Luminescent Properties of a Novel 2D Sheet Cd(Ⅱ) Coordination Polym
A coordination polymer, [Cd(cpna)(py)]n(H2cpna = 5-(2-carboxylphenyl) nicotic acid, py = pyridine) 1 has been hydrotherm......
[tBuN=TaCl3(py)2]和氮杂环卡宾(IPr=1,3-bis(2,6-diisoproylphenyl)imidazol-2-ylidene)的反应得到预料之外的叔丁基亚胺四氯合钽......
A straightforward and efficient method for the synthesis of thiopyran derivatives via three-component reaction of alkyl ......
In this study, two new co-crystals based on rigid imidazolium ligand(2,2’-((1,1’-biphenyl)-4,4’-diyl)bis(2H-imidazo[1......
A new mono-nuclear CuII complex [Cu(DPP)(DP)Br](ClO4)H2O (DPP = 2-(3,5- dimethyl-1H-pyrazol-1-yl)-1,10-phenanthroline, D......
Synthesis and antibacterial activity of novel[1,2,4]triazolo[3,4-h][1,8]naphthyridine-7-carboxylic a
Novel tricyclic fluoroquinolones,[1,2,4]triazolo[3,4-h][1,8]naphthyridine-8-one-7-carboxylic acid derivatives 4a-4h bear......
In this paper, the synthesis of a novel polyoxovanadiumborate [Li(H2O)3]3 [V12 B18 O48 (OH)12 (OH)] · (H2 O)s by hydrot......
通过两步反应合成了一种卡宾配合物(NHC)Pd Cl2(Py),该配合物在有氧条件下能够高效地催化Suzuki偶联反应、Heck偶联反应和Sonogash......
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ＰＹ（０．５）遥控跑车起重系统齿轮、摩擦卷筒和握索板早期损坏，起重量达不到额定指标等故障，是由于齿轮参数及传动结构不当造成的．本文探讨其故障......
Investigating microstructure of Longmaxi shale in Shizhu area,Sichuan Basin,by optical microscopy,sc
Microstructure of shale formation is the key to understanding its petrophysical and chemical properties.Optical microsco......
本文应用醋酸铬(II)在吡啶溶液中置换[Fe~2MO(CH_3CO_2)_6(H_2O)_3]·nH_2O(M=Mn,Co,Ni)中三价铁离子的反应,制备了三个标题化合物......
The title compound has been synthesized by the reaction of(NH4)3VS4, CuBr and NMe4Br in pyridine and its structure was d......
合成了二(α-萘荒酸)合镍Ni(α-C_(10)H_7CS_2)2以及它与吡啶1:3加合物。经x射线单晶衍射法测定,确定其晶体结构为[Ni(α-C_(10)H_......
Liddle综合征是一种常染色体显性、盐敏感型的高血压综合征,其分子发病机制研究认为是上皮钠离子通道(epithelial Na+channel,ENaC......
The reactivities of Mo cluster——A selective substitution reaction of the bridging(dtp)ligand and the
The reaction of trinuclear molybdenum cluster{Mo_3S_4(μ-dtp)(dtp)_3(H_2O)}1[dtp=S_2P(OEt)_2]with RCO_2Na(R=H,CH_3)in t......
四核银原子簇化合物Ag_4(α-C_(10)H_7CS_2)_4(Py)_4·2Py由α-萘荒酸与硝酸银在有机溶剂中反应,经吡啶重结晶获得单晶。由于反应......
通过配基置换反应合成出两个新的三核钼簇合物[Mo_3S_4(DTC)_4(DMF)](EtOH(1)和[Mo_3S_4-(DTC)_4(Py)](Py)_2(H_2O)(2)。用X射线衍......
邻甲基苯荒酸四乙基铵盐分别与硝酸银和氯化铜反应,经毗啶重结晶,得到四核银簇合物Ag_4(o-CH_3C_6H_4CS_2)_4(Py)_4(晶体Ⅰ)和二核......
铜钼对抗作用是生物无机中十分有趣的问题。反刍动物在含钼量高的土地上吃草会出现贫血、腹泻、生长迟缓等机能失调的症状,其病因......
Introduction Indium tin oxide (ITO) film has been widely used as a transparent conductor due to its high transparency to......
Some typical coal and maceral samples are selected for oil and gas-generatingsystematic thermal simulation experiments,......
Syntheses and Crystal Structures of Molybdenum-Sulfur Clusters Mo_3S_4 (dtp)_3(o-CH_3OC_6H_4COO)(Py)
The title compounds Mo3S4(dtp)3(o-CH3OC6H4COO)(Py) 1 and Mo3S(dtp)3(p-HOC6H4COO)(DMF)稥tOH 2 (dtp = diethyldithiophospha......
为了研究配体修饰对自旋交叉现象的影响,我们合成了两个Fe?自旋交叉的配合物犤Fe(dpq)(py)2(NCS)2犦·H2O·py和犤Fe(dpq)(py)2(NC......
