脈澤發射機 的英文怎麼說
中文拼音 [màizéfāshèjī]
脈澤發射機
英文
maser transmitter-
With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體（ - al _ 2o _ 3 ）不僅由於其色澤艷麗成為人們珍愛的名貴寶石，而且由於它具有的優異性能，被廣泛應用於電工、機械、激光器，光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料，用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料（禁帶寬度3 . 37ev ） ，現已發現具有室溫下受激發射特性，有可能實現室溫下半導體紫外發光。To understand the connections between methanol masers and other phenomena typical of star formation region, such as the associated far - infrared sources, we have investigated statistical properties of all known 6, 7 ghz methanol maser sources. the result suggests that 6, 7 ghz methanol maser emission may appear only during a limited period of massive star formation
6 . 7ghz甲醇脈澤源的統計結果暗示著它們可能僅僅發生在大質量恆星形成的一個很短的時段內，可能起源於拱核盤中或外流中，遠紅外輻射則是一種可能的抽運機制。
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