X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (12199) 12199
Magazine Article (709) 709
Dissertation (654) 654
Patent (357) 357
Conference Proceeding (27) 27
Book / eBook (5) 5
Publication (4) 4
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
应用 (198) 198
定义 (174) 174
physics (172) 172
学生 (135) 135
calculating (134) 134
computing (134) 134
counting (134) 134
大学生 (121) 121
electricity (116) 116
对策 (116) 116
electric digital data processing (99) 99
高校 (98) 98
企业 (89) 89
教学 (84) 84
问题 (83) 83
中国 (81) 81
chemistry (79) 79
课堂教学 (78) 78
metallurgy (76) 76
数学教学 (75) 75
概念 (74) 74
organic chemistry (72) 72
electric communication technique (71) 71
高中数学 (69) 69
heterocyclic compounds (67) 67
human necessities (67) 67
数学 (64) 64
教师 (62) 62
策略 (61) 61
管理 (61) 61
培养 (60) 60
创新 (59) 59
内涵 (58) 58
hygiene (57) 57
medical or veterinary science (57) 57
学习 (57) 57
高考 (57) 57
教学方法 (56) 56
现状 (56) 56
影响因素 (54) 54
specific therapeutic activity of chemical compounds ormedicinal preparations (52) 52
教学过程 (52) 52
preparations for medical, dental, or toilet purposes (51) 51
内部控制 (51) 51
图书馆 (51) 51
影响 (51) 51
分析 (50) 50
信息技术 (48) 48
文化 (48) 48
电子商务 (47) 47
发展趋势 (46) 46
教学模式 (46) 46
transmission of digital information, e.g. telegraphiccommunication (45) 45
商业银行 (45) 45
可持续发展 (43) 43
研究 (43) 43
大数据 (41) 41
高职院校 (41) 41
教学实践 (39) 39
高中 (38) 38
上市公司 (37) 37
圆锥曲线 (37) 37
性质 (37) 37
云计算 (36) 36
basic electric elements (35) 35
原因 (35) 35
发展 (35) 35
综述 (35) 35
设计 (35) 35
企业文化 (34) 34
特征 (34) 34
英语教学 (34) 34
思想政治教育 (33) 33
electric solid state devices not otherwise provided for (32) 32
semiconductor devices (32) 32
中学生 (32) 32
初中数学 (32) 32
实践 (32) 32
网络 (32) 32
风险管理 (32) 32
马克思主义 (32) 32
公允价值 (31) 31
内部审计 (31) 31
同学 (31) 31
教学改革 (31) 31
自主学习 (31) 31
语文教学 (31) 31
创新能力 (30) 30
建议 (30) 30
技术 (30) 30
教学设计 (30) 30
美国 (30) 30
英语 (30) 30
高校图书馆 (29) 29
高等数学 (29) 29
互联网 (28) 28
关系 (28) 28
导数 (28) 28
改革 (28) 28
教学策略 (28) 28
more...
Library Location Library Location
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


中学生数理化:学习研版, ISSN 1001-6953, 2017, Issue 6, pp. 6 - 6
一、求方程所表示的曲线的轨迹问题 例1已知点M(x,y),x,y∈R满足2√(x-1)^2+(y-1)^2=|x+y+2|,判断点M的轨迹表示怎样的曲线。 解析:若将方程两边平方,化简后并不能直接判断轨迹是什么曲线,并且运算量也很大。 
化简 | 曲线 | 运算量 | 轨迹问题 | 椭圆定义 | 解析 | 方程 | 应用
Journal Article
公关世界, ISSN 1005-3239, 2016, Issue 15, pp. 19 - 21
Journal Article
ChemSusChem, ISSN 1864-5631, 03/2017, Volume 10, Issue 5, pp. 836 - 841
Reductive carboxylation of terminal alkynes utilizing CO2 and H2 as reactants is an interesting and challenging transformation. Theoretical calculations... 
H2 reduction | CO2 utilization | reductive carboxylation | terminal alkynes | Ag/Pd catalyst | utilization | reduction | Berries | Acids
Journal Article
Sensors & Actuators: B. Chemical, ISSN 0925-4005, 08/2019, Volume 293, pp. 336 - 341
We propose and experimentally demonstrate a high-performance relative humidity (RH) sensor by depositing graphene oxide (GO) onto tilted fiber grating (TFG).... 
Humidity sensor | Graphene oxide | Human breath monitoring | Tilted fiber grating | Thin films | Dielectric films | Environmental monitoring | Graphene | Graphite | Fiber optics | Relative humidity | Interlayers | Dielectric strength | Water chemistry | Humidity | Breath tests | Sensors | Cladding
Journal Article
山东警察学院学报, ISSN 1673-1565, 2017, Issue 6, pp. 85 - 91
Journal Article
山东警察学院学报, ISSN 1673-1565, 2017, Volume 29, Issue 6, pp. 85 - 91
Journal Article
Optics Letters, ISSN 0146-9592, 03/2016, Volume 41, Issue 6, pp. 1201 - 1204
Off-axis fiber Bragg gratings are inscribed by ultraviolet irradiation limited to expose only a portion of the fiber core cross section. The coupling to... 
OPTICAL-FIBER | TEMPERATURE | ABRUPT BICONICAL TAPER | LONG-PERIOD | SENSOR | BIREFRINGENCE | OPTICS | Bragg gratings | Mathematical analysis | Bending | Cladding | Ultraviolet | Curvature | Directional sensitivity | Fibers
Journal Article
New Phytologist, ISSN 0028-646X, 04/2017, Volume 214, Issue 2, pp. 852 - 864
Journal Article
APPLIED OPTICS, ISSN 1559-128X, 05/2019, Volume 58, Issue 15, pp. 4085 - 4090
We present and experimentally demonstrate a highly sensitive sensor for simultaneously measuring the refractive index (RI) and temperature based on a multipath... 
MULTICORE FIBER | OPTICAL-FIBER | CORE FIBER | RESOLUTION | SENSOR | OPTICS | STRAIN | TAPER | Mach-Zehnder interferometers | Organic chemistry | Sensitivity | Splicing | Refractivity | Notches | Visibility | Sensors | Cladding | Strong interactions (field theory)
Journal Article
Sensors & Actuators: A. Physical, ISSN 0924-4247, 05/2019, Volume 290, pp. 172 - 176
Journal Article
广州广播电视大学学报, ISSN 1672-0385, 2015, Volume 15, Issue 2, pp. 46 - 50
Journal Article
数学大世界:初中版, ISSN 1009-5608, 2015, Issue 1, pp. 68 - 72
关注考生的后继发展是中考的重要特征之一,命题人员常以初、高中数学联系比较紧密的知识点设计考题.在2014年各地中考试卷中,出现了一类与抛物线(高中阶段将要进一步研究抛物线的有关知识)有关的新定义试题,这类试题处于试卷最后一题的位置——以压轴题的形式呈现,综合性较强,有一定难度.现举几例予以介绍,供赏析. 
抛物线 | 试题 | 试卷 | 定义 | 知识点 | 高中数学 | 中考
Journal Article
Journal Article
Applied Optics, ISSN 1559-128X, 03/2013, Volume 52, Issue 7, pp. 1441 - 1447
An in-fiber quasi-Michelson interferometer working on reflection is proposed and experimentally demonstrated. The device consists of a short section of... 
REFRACTIVE-INDEX SENSOR | FILTER | BRAGG GRATINGS | TEMPERATURE | LASER | LOOP MIRROR | PHOTONIC CRYSTAL FIBER | OPTICS | GRATING SENSORS | STRAIN | MULTIMODE | Measurement | Thermal properties | Usage | Michelson interferometers | Refractive index | Optical properties | Innovations | Silver compounds | Fiber optics
Journal Article
Computer Networks, ISSN 1389-1286, 12/2018, Volume 146, pp. 183 - 199
Journal Article
课程教育研究:学法教法研究, ISSN 2095-3089, 2016, Issue 20, pp. 122 - 123
Journal Article
IEEE Sensors Journal, ISSN 1530-437X, 03/2015, Volume 15, Issue 3, pp. 1532 - 1537
A compact fiber Bragg grating (FBG) accelerometer based on a hybridization of two cantilever beams is demonstrated. Two FBGs are prestressed and fixed on the... 
Vibrations | Temperature sensors | Accelerometers | Sensitivity | Fiber gratings | fiber Bragg gratings | vibration measurement | Fiber optics sensors | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
课程教育研究:学法教法研究, ISSN 2095-3089, 2014, Issue 19, pp. 113 - 114
Journal Article
中国外汇, ISSN 1673-5528, 2015, Issue 19, pp. 72 - 73
Journal Article
No results were found for your search.

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