A gallium nitride LED on sapphire has a typical internal quantum efficiency of around 70%.
基于蓝宝石的氮化镓发光二极管的一般内量子效率约为70%。
Gallium nitride is a semiconductor used to create bright-blue LEDs.
氮化镓是一种用来生产亮蓝色LED的半导体。
Most of the white LEDs now on the market are based on gallium nitride.
目前市面上多数的白色发光二极管都是基于氮化镓的.
The researchers used a gallium nitride semiconductor in the "proof of concept" tests.
研究者们在“概念验证”实验中使用的半导体材料是氮化镓。
Yet even at this early stage he thinks gallium nitride-on silicon LEDs would make commercial sense.
即使是在目前的早期阶段，他认为硅基的氮化镓发光二极管就已经具有商业意义了。
The nitride on oxide layers remains intact .
氧化物表层上面的氮化物保持原状不动。
Burning magnesium reacts with nitrogen gas to give solid magnesium nitride.
燃烧的镁与氮反应，生成固态氮化镁。
Silicon nitride ceramic is a kind of fairly good material for rolling bearings.
氮化硅陶瓷是一种较好的滚动轴承材料。
Vanadium nitride and carbide, as a solid solution, is an important additive to steel.
碳氮化钒是氮化钒和碳化钒的固溶体，是重要的钢中添加剂。
Shock behavior of silicon nitride ceramic was investigated by using a one-stage light gas gun facility.
用一级轻气炮冲击加载装置，对氮化硅陶瓷进行了冲击性能实验研究。
To investigate the effect of titanium nitride coating on corrosion resistance of dental casting alloys.
研究氮化钛涂层对牙科铸造合金腐蚀性能的影响。
Sintering AIDS were one of key factors affecting microstructure and properties of silicon nitride ceramics.
烧结助剂是影响氮化硅陶瓷的显微结构和性能的关键因素之一。
The effect of holding time on intergranular phase and mechanical property of GPS silicon nitride ceramics was studied.
研究了保温时间对气压烧结（GPS）氮化硅陶瓷晶界相及力学性能的影响。
In experiment, a series of silicon nitride thin films are prepared on cleaned silicon wafer by varying deposition parameters.
本实验通过系统地改变沉积参数，在经过清洗好的单晶硅片上沉积了一系列的氮化硅薄膜。
An aluminium nitride layer proves to be much more homogeneous and its sensitivity, in the 602 to 720 GHz range, is also much improved.
在602 ~ 720ghz频率范围内，氮化铝具有更好的均匀性、更高的灵敏度和良好的性能。
Aluminium nitride Dutch astronomers have been closely involved in developing ALMA in a fruitful collaboration with nanotechnologists.
荷兰天文学家也与纳米技术人员在ALMA研制方面进行了富有成效的合作。
Simulations of surface nitridation and nitride precipitation in alloy steels have beeb carried out with cellular automaton modeling.
应用元胞自动机模型对合金钢表面氮化及扩散层中氮化物沉淀过程进行了计算机模拟。
He found that producing p-type gallium nitride, which made use of ammonia at high temperatures, trapped hydrogen atoms inside the crystal.
他发现在生成p型氮化镓的时候需要利用高温氨，以致于把氢原子引入了晶体之中。
Instead of a beam, they fashioned a tiny diving board of aluminum nitride plated with aluminum that vibrated by getting thinner and thicker.
研究者们利用一块镀铝的氮化铝微小跳板代替了光束，跳板上的铝层通过变薄和变厚来进行振动。
Gallium nitride turned out to be difficult to grow without defects, and although n-type gallium nitride could be made easily, p-type could not.
氮化镓最终被发现很难做到没有瑕疵，即使n型氮化镓很容易被造出，p型却不然。
At present these LEDs are made in machines similar to those used to make silicon chips, by depositing layers of gallium nitride on sapphire-based wafers.
目前LED同硅晶片的制作设备类似，都是通过在蓝宝石衬底片上沉淀氮化镓层实现。
Its refractive index is higher than that of the traditional optical fiber material, silica, so silicon nitride has good optics confinement property.
其折射率比传统用作光纤的石英的折射率高，对光有较好的约束性能，因此在光波导方面可能会有更好的应用前景。
Titanium nitride coating can decrease corrosion tendency and improve corrosion resistance of dental casting alloys, especially of non precious alloys.
氮化钛涂层可降低牙科铸造合金，尤其是贱金属合金的腐蚀倾向，提高其耐蚀性。
In the late 1980s Isamu Akasaki and his colleagues at Nagoya University created the first p-type gallium nitride by incorporating tiny amounts of magnesium.
20世纪80年代后叶akasaki和他的同事们在名古屋大学通过添加少许镁制造出首例p型氮化镓。
April 16, 2008...Raytheon of Tewksbury, Massachusetts USA, is developing gallium nitride-based transmit-receive modules for use in future radar upgrades.
美国雷声公司正在为未来雷达的升级，开发一种基于氮化镓的发射-接收模块。
Hexagonal nitride boron is laminate structure ceramic materials. Solving the sintering densification problem is the main method to improve the ceramic performance.
六方氮化硼是一种片状结构材料，解决其烧结致密化问题是提高陶瓷性能的主要途径。
The preparation of aluminium nitride powder by means of direct nitridation under pressurized nitrogen atmosphere and carbothermal nitridation of alumina is studied.
对在加压氮气中金属铝粉的直接氮化和氧化铝粉的碳热还原氮化法制备氮化铝粉末进行了研究。
The preparation of aluminium nitride powder by means of direct nitridation under pressurized nitrogen atmosphere and carbothermal nitridation of alumina is studied.
对在加压氮气中金属铝粉的直接氮化和氧化铝粉的碳热还原氮化法制备氮化铝粉末进行了研究。
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