English
全部
图片
灵感
创建
集合
视频
地图
资讯
购物
更多
航班
旅游
酒店
笔记本
自动播放所有 GIF
在这里更改自动播放及其他图像设置
自动播放所有 GIF
拨动开关以打开
自动播放 GIF
图片尺寸
全部
小
中
大
特大
至少... *
自定义宽度
x
自定义高度
像素
请为宽度和高度输入一个数字
颜色
全部
彩色
黑白
类型
全部
照片
插图
素描
动画 GIF
透明
版式
全部
方形
横版
竖版
人物
全部
脸部特写
半身像
日期
全部
过去 24 小时
过去一周
过去一个月
去年
授权
全部
所有创作共用
公共领域
免费分享和使用
在商业上免费分享和使用
免费修改、分享和使用
在商业上免费修改、分享和使用
详细了解
重置
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
1024×353
chegg.com
4. A semiconductor LED is operated using a 2 nm | Chegg.com
411×393
researchgate.net
Quantum well structure band-gap diagram; a…
807×371
nationaldefensepac.org
Blue Led Band Gap Offers Cheap | nationaldefensepac.org
1200×628
nationaldefensepac.org
Blue Led Band Gap Offers Cheap | nationaldefensepac.org
996×535
nationaldefensepac.org
Blue Led Band Gap Offers Cheap | nationaldefensepac.org
1280×720
nationaldefensepac.org
Blue Led Band Gap Offers Cheap | nationaldefensepac.org
850×406
researchgate.net
8 Schematic of the LED quantum well valence band in a blue LED (top)... | Download Scientific ...
450×417
blogspot.com
Led Band: Band Gap For Led
850×466
researchgate.net
18. Schematic of band slope of quantum well depending on the thickness... | Download Scientific ...
1890×740
chegg.com
(a) Which one of the following band-gap diagrams | Chegg.com
655×1031
researchgate.net
(a) Schematic cross section …
320×320
researchgate.net
(a) Schematic cross section of the consid…
320×320
researchgate.net
(a) Schematic cross section of the consid…
552×326
ResearchGate
Band structure of a multi-quantum well (MQW) LED device (based on [38]... | …
850×1158
researchgate.net
Sub-band gap operation of q…
850×331
ResearchGate
(a) Band diagram of the InGaN single-quantum-well LED studied, the... | Download Scientific …
392×382
Stack Exchange
What would be the band gap of a white LED? - El…
738×400
ResearchGate
Band structure of the quantum well. | Download Scientific Diagram
640×640
ResearchGate
(a) Band diagram of the InGaN single-quantum-…
1488×502
compoundsemiconductor.net
Quantum Well design Boosts Green LED Efficiency - News
700×334
chegg.com
What band gap is needed for an LED to produce blue | Chegg.com
976×393
Stack Exchange
What would be the band gap of a white LED? - Electrical Engineering Stack Exchange
850×575
researchgate.net
The quantum well conduction band and subband of energy as a functi…
640×640
researchgate.net
The quantum well conduction band an…
1546×588
compoundsemiconductor.net
Staggered Quantum Wells boost Yellow LED Efficiency - News
1050×825
SPIE
An LED with 250% peak quantum efficiency
722×432
researchgate.net
Schematic of the (a) device; (b) R-LED and W-LED indium composition in... | …
452×285
led-professional.com
Monolithic multi-color, multi-quantum well semiconductor LED — LED prof…
320×320
researchgate.net
(a) Sample structure and a schematic band diag…
387×330
researchgate.net
Schematic quantum well and barrier structure for four diff…
488×223
researchgate.net
Band diagrams for (a) (2021) and (b) (20 21) double-quantum-well LEDs... | Download Scientif…
542×232
blogspot.com
Led Band: Led Band Structure
850×693
researchgate.net
Schematic structure of the hybrid multi-quantum well LED. The acti…
480×341
ResearchGate
Schematic energy band diagram of the double quantum well digital alloy... | D…
223×223
researchgate.net
Band diagrams for (a) (2021) and (b) (20 21…
某些结果已被隐藏,因为你可能无法访问这些结果。
显示无法访问的结果
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
反馈