pyr相关论文
A highly enantioselective 1,3-dipolar cycloaddition of α-substituted diazoesters with exocyclic enones was achieved wit......
Influence of nozzle height to width ratio on ignition and NOx emission characteristics of semicoke/b
To improve the ignition behavior and to reduce the high NOx emissions of blended pulverized fuels (PF) of semicoke (SC),......
Asymmetric catalytic 1,3-dipolar cycloaddition ofα-diazoesters for synthesis of 1-pyrazoline-based s
A highly enantioselective 1,3-dipolar cycloaddition ofα-substituted diazoesters with exocyclic enones was achieved with......
Ca2+ plays a pivotal role in the physiology and biochemistry of prokaryotic and mammalian organisms.Viruses also utilize......
Synthesis,Crystal Structure and Electrochemical Properties of a Cobalt Compound Based on N-(4-pyridy
One compound with N-(4-pyridylmethyl)imidazole liand, [Co(pyim)2(N3)2]n 1(pyim = N-(4-pyridylmethyl)imidazole), was synt......
Facile, one-pot synthesis of new phenanthridine derivatives through 1,4-dipolar cycloaddition of phe
A facile, one-pot synthesis of new phenanthridine derivatives by a three-component reaction between phenantridine, dialk......
Alkalic-type epithermal gold mineralization associated with Tongshi complex in Pinyi County, Shandon
THE alkali-rich subvolcanic complex of Tongshi and the associated gold mineralization are located at thesouth boundary ......
Great processes in the basic research of inorganic chemistry have been achieved in recent years as a result of persisti......
Having studied the biomarker composition and maturity of dissolved hydrocarbons from Ordovician formation waters, the au......
Design, Synthesis, Crystal Structure and Photophysical Properties of New Oxadiazole Extended Viologe
Viologens (<i>N,N</i>-dimethyl-4,4-bipyridinium) are advanced functional materials, found important applications in elec......
How layer-segregated distribution of SiC affects the ablation of C/C-SiC composites was studied in the present work.A ce......
SYNTHESIS AND CRYSTAL STRUCTURE OF COMPLEX [Cu_2(CH_3COO)_4(C_8H_(11)NO)_2] · (C_6H_(11)NO)_2 · (C_8
SYNTHESIS AND CRYSTAL STRUCTURE OF COMPLEX [Cu_2(CH_3COO)_4(C_8H_(11)NO)_2] · (C_6H_(11)NO)_2 · (C_8H_(12)), where C6......
Interaction of electronically excited copper-porphyrin with DNA studied by resonance Raman spectrosc
Water-soluble porphyrin, as a kind of photosensitive agent and good anticancer modelcompound. may find wide application......
Comparison of Extraction Methods for Genomic DNA of Fall Webworm [Hyphantria cunea( Drury) ] and Amp
[Objective] The paper was to compare different extraction methods for genomic DNA of fall webworm [Hyphantria cunea( Dru......
Syntheses and Crystal Structures of Two Two-dimensional Coordination Polymers with 2,3-Dimethylpyraz
Two two-dimensional coordination polymers, [Cd(μ1,3-SCN)2(μ1,6-L)]n 1 and [Co(μ1,3-SCN)2(μ1,6-L)]n 2, have been synt......
By using different organic ligands, two 3D inorganic-organic hybrid compounds Co(C4H4N2)(VO3)2 1 and Co(C12H12N2)(VO3)2 ......
A New Synthesis Method and Crystal Structure of 2-Phenyl-5,6,7,8-tetrahydro-6,6-dimethyl-5,7-methano
The title compound 2-phenyl-5,6,7,8-tetrahydro-6,6-dimethyl-5,7-methano-8- quinolinol 1 has been synthesized by the oxid......
The molecular structures and electron affinities of 5-and 6-halouracils(XU,X=F,Cl,Br) were determined by means of five d......
为了解已选育的小麦品系中抗白粉病基因和优质基因分布和聚合的情况,利用Pm4的STS标记,Pm21的SCAR标记,以及Dx5的特异扩增序列对F5......
The biodegradability of chars derived from pyrolysis and hydrothermal carbonisation(HTC) was studied in short-term dynam......
Title compounds 2',2'-dimethylcholesta-2,4-dien[3,2-b]-pyran-4'-one(3),2',2'-dimethyl-3β-substituted cholesta-4,6-dien[......
利用固定床获得胜利褐煤及盐酸洗煤在不同温度条件下的半焦。利用FT-IR、XPS、XRD和Raman等技术对所得半焦进行表征,以研究胜利褐......
目的：设计与合成具有分子靶向性、低毒高效新型血管生成抑制剂类抗肿瘤药物吡咯三嗪.方法：以羟胺磺酸和2-吡咯甲醛为原料合成2,4-二......
在硫酸介质中,Fe（Ⅲ）能够催化H2O2氧化中性红褪色反应,邻苯二酚和间苯二胺均能阻抑该催化氧化褪色反应的速度。研究发现,二者对Fe（Ⅲ）......
为建立病毒性出血性败血症病毒（VHSV）焦磷酸测序检测技术，本研究通过对VHSV靶基因特异性序列的同源性分析，设计出适合焦磷酸测序特异性......
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藻胆蛋白是一种多功能细胞色素蛋白。从条斑紫菜藻中提取藻胆蛋白，用饱和硫酸铵沉淀法、DEAE-纤维素离子交换层析对提取的藻胆蛋白......
The non-carbothermic zinc pyrometallurgical processing of electric arc furnace(EAF) dust was investigated on a laborator......
在500和600℃下，进行废旧印刷线路板（WPCB）~氧树脂粉末与3种催化剂（HZSM．5、USY和活性氧化铝）的共催化热解实验。通过对热解三相产物产率......
The objective of this study was to investigate the compositional profiles and microbial shifts of oral microbiota during......
分别对产自南非和中国的2种叶蜡石原矿和粉压块进行扫描电镜能谱(EDS)及X射线粉末衍射(XRD)分析,得出其主要化学成分和物相组成,并......
本文介绍了应用化学动力学计算生油岩生烃量技术，包括实验方法，多种热解动力不硎圾其适用性、动力学参数的求取，并结合有关地质参数应......
针对提高被动式热释电红外（PIR）传感器的探测距离和范围，提出动／静态双坐标感知系统理论，根据动／静态双坐标感知系统对动态目标实现一定......
为了研究工艺参数对加氢尾油裂解过程中结焦的影响,在加氢尾油裂解实验装置上考察了裂解温度、进料质量流速和水油质量比对炉管结......
本文用Merrifield固相合成法合成八肽胆囊收缩紊(CCK-8)。酪氨酸酚羟基硫酯化反应用吡啶-三氧化硫络合物进行,快原子轰击质谱和氨......
Hydrogeochemical controls on surface and groundwater chemistry in naturally acidic, porphyry-related
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采用一步微波辅助裂解离子液体法制备了硫氮共掺杂多孔碳材料。用傅里叶变换红外（FT-IR）光谱,拉曼光谱,X射线衍射（XRD）,电子显微镜和X......
以桦甸小颗粒页岩尾矿为原料，在流化干馏装置上进行热解实验。结果表明，页岩尾矿最佳热解反应条件为：粒径5mm左右，加热速率6～10℃／min，干......
为考察烟草中含氮化合物在卷烟燃烧过程中生成氰化氢（HCN）的规律,采用卷烟模拟燃吸装置研究了燃吸温度、燃吸气氛含氧量及其流速、升......
以焦性没食子酸和异烟酸为原料合成了带吡啶官能团的液晶配体。将液晶和配体相结合，成功合成了具有配位能力的液晶分子，采用红外光谱......
经室内毒力测定及田间药效试验研究结果表明：茶皂素对２０％灭多威乳油杀灭菜青虫增效６．３３倍，对２．５％三氟氯氰菊酯乳油杀灭菜缢管蚜增效１４．８３倍，对５％尼索朗乳......
【目的】2007年测定江苏、浙江地区二化螟对杀虫单、三唑磷、氟虫腈、阿维菌素及拟除虫菊酯类等9种杀虫剂的抗性,以及6类20种杀虫......
<正> 水稻品种叶瘟鉴定,先后已应用了喷雾、注射、钳叶、针刺、涂抹等多种接种方法,鉴定效果良好。但在自然状态下采用注射、喷雾......
在离体条件下，用蛋白质双向电泳技术分析水稻与稻瘟病菌在接触反应开始阶段的蛋白质变化情况，以寻找参与寄主与病原菌相互作用的蛋白......
在300,500,700℃下热解获得的污泥生物炭C300、C500和C700,分别添加至污泥中进行好氧降解反应,研究降解过程中污泥性质的变化,及反......
目的：应用定量代谢组学研究天芪降糖胶囊（黄芪、天花粉、女贞子、石斛、人参、地骨皮、墨旱莲、五倍子、山茱萸和黄连）对糖耐量受损（IG......
This novel method of Pedestrian Tracking using Support Vector (PTSV) proposed for a video surveillance instrument combin......
以一端为肉桂酸酯光交联基元、中间为聚己内酯长柔性链的甲基丙烯酸酯类大单体FM5C为第三单体,与马来酸酐（MAH）及苯乙烯（St）单体以AIBN......
