X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
文学作品 (493) 493
课堂教学 (460) 460
阅读知识 (460) 460
语文学习 (434) 434
学生 (391) 391
文学 (384) 384
对策 (375) 375
小学生 (366) 366
课外阅读 (366) 366
中国 (357) 357
作文 (338) 338
创新 (304) 304
问题 (286) 286
大学生 (282) 282
就这样 (272) 272
经济发展 (271) 271
教学 (256) 256
给你 (250) 250
领导干部 (239) 239
诗集 (238) 238
教师 (237) 237
应用 (236) 236
教学效果 (235) 235
教学方法 (234) 234
诗词 (222) 222
高校 (213) 213
教学改革 (212) 212
现代文学 (212) 212
老师 (210) 210
诗歌 (210) 210
告诉我 (197) 197
不知道 (190) 190
管理 (189) 189
中学生 (188) 188
语文 (188) 188
国有企业 (187) 187
策略 (185) 185
信息技术 (177) 177
小学 (177) 177
语文教学 (172) 172
孩子 (170) 170
互联网 (169) 169
企业 (168) 168
思想政治工作 (167) 167
培养 (166) 166
小学语文 (166) 166
阅读教学 (164) 164
社会主义市场经济体制 (163) 163
现状 (162) 162
对我说 (155) 155
生活 (154) 154
学习过程 (153) 153
教学质量 (152) 152
思想政治教育 (151) 151
高职院校 (148) 148
故事 (144) 144
社会主义市场经济 (142) 142
学习 (141) 141
教学模式 (140) 140
小学数学 (137) 137
精神文明建设 (135) 135
十年 (134) 134
教育 (134) 134
人民群众 (133) 133
江苏省 (133) 133
自主学习 (133) 133
我自己 (132) 132
令人 (131) 131
实践 (130) 130
学校 (126) 126
教学内容 (125) 125
数学教学 (125) 125
措施 (124) 124
我不知道 (123) 123
财务管理 (123) 123
同学 (122) 122
改革 (122) 122
教学过程 (122) 122
杂文 (118) 118
发展 (113) 113
小说 (113) 113
阅读 (113) 113
散文 (110) 110
设计 (110) 110
课程标准 (109) 109
一本 (108) 108
商业银行 (107) 107
金融机构 (107) 107
党员干部 (106) 106
世界 (104) 104
课堂 (104) 104
当代文学 (103) 103
现代化建设 (101) 101
农村 (100) 100
毛泽东 (100) 100
人说 (98) 98
现实生活 (97) 97
随笔 (96) 96
高考 (96) 96
人才培养 (95) 95
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Acta Crystallographica Section E: Structure Reports Online, ISSN 2056-9890, 06/2012, Volume 68, Issue 6, pp. o1691 - O1691
In the title compound, C14H17NO, the piperidinone and piperidine rings both adopt a chair conformation. The chiral crystals were obtained from a racemic... 
CRYSTALLOGRAPHY
Journal Article
Zhongguo Huanjing Kexue = China Environmental Science, ISSN 1000-6923, 01/2018, Issue 6, p. 2001
The remote sensor data derived from the Ozone Monitoring Instrument(OMI) were used to study the temporal and spatial distribution characteristics of urinary... 
Remote sensors | Industrial production | Energy consumption | Pollution levels | Growth rate | Pollution control | Variations | Pollution monitoring | Summer | Ozone | Formaldehyde | Fertilizers | Wind direction | Ozone monitoring | Precipitation | Pollution | Spatial distribution | Spring (season) | Fertilizer application
Journal Article
Xihua Daxue Xuebao (Ziran Kexue Ban) / Journal Xihua University (Natural Sciences Edition), ISSN 1673-159X, 05/2012, Volume 31, Issue 3, pp. 64 - 67
The Ligustrum lucidum samples were prepared by dry digestion process. The content Mn, Fe and Zn in ligustrum lucidum were determined by flame atomic absorption... 
Atomic absorption analysis | Trace metals | Iron | Traditional chinese medicine | Recovery | Standards | Zinc | Manganese
Journal Article
Xihua Daxue Xuebao (Ziran Kexue Ban) / Journal Xihua University (Natural Sciences Edition), ISSN 1673-159X, 01/2015, Volume 34, Issue 2, pp. 94 - 97
In order to optimize the ultrasonic extraction process of pomegranate seed oil and analyze the composition of fatty acid in the seeds, the optimal extracting... 
Particle size | Liquids | Seeds | Pomegranates | Hexanes | Unsaturated | Extraction | Fatty acids | Optimization
Journal Article
Xihua Daxue Xuebao (Ziran Kexue Ban) / Journal Xihua University (Natural Sciences Edition), ISSN 1673-159X, 07/2008, Volume 27, Issue 4, pp. 88 - 90
On the condition of cross link by glutaraldehyde, the chitosan was chosen as the carrier of alpha-amylase due to its biocompatibility. The condition of the... 
Journal Article
Ore Geology Reviews, ISSN 0169-1368, 04/2015, Volume 66, pp. 47 - 64
The Qiangma gold deposit is hosted in the >1.9Ga Taihua Supergroup metamorphic rocks in the Xiaoqinling terrane, Qinling Orogen, on the southern margin of the... 
Qiangma gold deposit | Qinling Orogen | Fluid inclusion | Xiaoqinling gold field | Isotope geochemistry | Gold | Sulfides | Rocks, Metamorphic | Gold industry | Cratons | Carbonates | Precipitation (Meteorology) | Raman spectroscopy
Journal Article
Acta Crystallographica Section E: Structure Reports Online, 04/2012, Volume 68, Issue 4, p. m430
Journal Article
Xihua Daxue Xuebao (Ziran Kexue Ban) / Journal Xihua University (Natural Sciences Edition), ISSN 1673-159X, 05/2012, Volume 31, Issue 3, pp. 73 - 76
The Ritter reaction is a kind of important organic synthesis reaction. Recently, different catalysts are employed in the Ritter reaction of various alcohol and... 
Synthesis | Catalysts | Catalysis | Derivatives | Alcohols
Journal Article
Xihua Daxue Xuebao (Ziran Kexue Ban) / Journal Xihua University (Natural Sciences Edition), ISSN 1673-159X, 09/2009, Volume 28, Issue 5, p. 94
In the study, Eriobotrya japonica leaf was used as material, and ethanol as solvent to investigate the technique conditions for extracting Oleanolic acid from... 
Journal Article
Synthetic Metals, ISSN 0379-6779, 12/2012, Volume 162, Issue 23, pp. 2112 - 2116
[Display omitted] ► A new fluorescent chemsensor 3 based on coumarin and 8-hydroxyquinoline was synthesized. ► 3 exhibited good selectivity toward Cu2+ by a... 
8-Hydroxyquinoline | Copper ion | Fluorescent chemosensor | Coumarin | PHYSICS, CONDENSED MATTER | DESIGN | POLYMER SCIENCE | RECOGNITION | MOLECULE | MATERIALS SCIENCE, MULTIDISCIPLINARY | COMPLEXES | COPPER | ELECTROLUMINESCENCE | DISEASE | DERIVATIVES | ALZHEIMERS
Journal Article
Synthetic Metals, ISSN 0379-6779, 12/2012, Volume 162, Issue 23, p. 2112
Display Omitted 
Quinoline
Journal Article
Acta Crystallographica Section E: Structure Reports Online, ISSN 2056-9890, 06/2012, Volume 68, Issue 6, pp. m751 - M751
The title compound, [Zn(C12H11N2O4)Cl](n), contains a centro-symmetric dimetal tetracarboxylate paddle-wheel moiety in which the Zn-II atom is... 
CRYSTALLOGRAPHY
Journal Article
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, ISSN 1386-1425, 02/2012, Volume 86, p. 181
Display Omitted 
Analysis | Optical properties | Crystals | Structure
Journal Article
Acta crystallographica. Section E, Structure reports online, 06/2012, Volume 68, Issue Pt 6, p. o1691
In the title compound, C(14)H(17)NO, the piperidinone and piperidine rings both adopt a chair conformation. The chiral crystals were obtained from a racemic... 
Journal Article
Organic & Biomolecular Chemistry, ISSN 1477-0520, 01/2020, Volume 18, Issue 13, pp. 2398 - 2404
A highly regioselective and enantioselective N-alkylation of isoxazol-5-ones with para-quinone methides promoted by bi-functional squaramide catalysts was... 
Quinones | Asymmetry | Catalysts | Regioselectivity | Quinone | Enantiomers | Nucleophiles | Crystallography | Alkylation
Journal Article
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 02/2012, Volume 86, p. 181
A series of novel 5-(3-aryl-1H-pyrazol-5-yl)-2-(6-methoxy-3-methylbenzofuran-2-yl)-1,3,4-oxadiazole derivatives has been synthesized from... 
Benzofurans - chemistry | Absorption | Oxadiazoles - chemical synthesis | Hydrogen Bonding | Molecular Conformation | Benzofurans - chemical synthesis | Spectrometry, Fluorescence | Crystallography, X-Ray | Optical Phenomena | Oxadiazoles - chemistry | Spectrophotometry, Ultraviolet
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.