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- The team says that it reduced the lasing threshold by aligning a single QD state with a high quality cavity mode. 該研究小組表示，他們使一個(gè)量子點(diǎn)能態(tài)對準高Q值共振腔模，藉此降低雷射的閥值。
- The numerical results show that the lasing threshold of an eigenmode depends on the EGDF, different eigenmode has different value of EGDF. 有效增益分布因子描述了光子晶體中增益介質(zhì)的空間分布特性。
- With suitable design of size and position of the gain medium, higher EGDF can be obtained, which directly leads to a lower value of lasing threshold. 不同的本征模具有不同的有效增益分布因子,那些有效增益分布因子較大的模式具有較低的閾值。
- If the incident proton collides with a proton bound in a nucleus, the threshold energy is lower because the target proton is bound. 如果入射質(zhì)子是與束縛在原子核內的質(zhì)子相碰撞，那么閾能會(huì )低一些，因為作為靶的質(zhì)子是束縛著(zhù)的。
- It is found that in the lower relative kinetic energy region, it is possible to form the long-lived complex CCH and this reaction without threshold energy. 發(fā)現在碰撞能低時(shí)可以形成長(cháng)壽命絡(luò )合物HCC,且此絡(luò )合反應碰撞是無(wú)能的。
- The threshold energy,limiting efficiency and efficiency of stored chemical energy in the system of solar hydrogen photoproduction by water splitting was described. 對太陽(yáng)能光催化分解水制氫體系的閾值能、太陽(yáng)能轉換效率以及太陽(yáng)能轉化成可儲存的化學(xué)能效率進(jìn)行了闡述;
- In photodetectors the wavelength response is not uniform at all wavelengths, but a threshold energy exists, determined by the semiconductor energy gap between bound and free carriers. 光子探測器對不同波長(cháng)的分光響應是不同的，但是存在一個(gè)由束縛和自由載流子之間的半導體能隙所確定的能閾。
- Frombur-dimensional momentum transfonnation，the relativistic expressions of avilable energyand threshold energy are derived，and the Konig theorem in relativistic form is put foeward. 本文利用動(dòng)量中心系來(lái)討論核反應問(wèn)題，由四維動(dòng)量的變換關(guān)系導出了相對論性的資用能和閾能的表達式，并提出了相對論形式的柯尼希定理。
- The results show that the crystallization with excimer lasers requires the lowest threshold energy densities.However, it does not create the deepest melt depth, compared with green or red lasers. 結果發(fā)現，準分子晶化的閾值能量密度最低，但是在同樣的能量密度下，熔融深度卻不及使用更長(cháng)波長(cháng)的激光器。
- Laser pulse's eye-safe maximal threshold energy 激光脈沖人眼安全閾值能量
- " Test method for continuous lasing threshold, slope efficiency and output power of Nb: YAG laser rods" GB/T11297.;5-1989摻釹釔鋁石榴石激光棒連續激光閾值、斜率效率和輸出功率的測量方法
- Test method for normal pulse lasing threshold and slope efficiency of Nd: YAG laser rods GB/T11297.;4-1989摻釹釔鋁石榴石激光棒長(cháng)脈沖激光閾值及斜率效率的測量方法
- Influence of Spatial Localization on Lasing Threshold of Quasi-State Mode in One-Dimension Random Media 一維隨機介質(zhì)中準態(tài)模式的局域化程度對其閾值的影響
- Effect of the strength of randomness on lasing threshold in one-dimensional partially random media 隨機性對部分隨機介質(zhì)激光器閾值的影響
- A Discussion on the Threshold Energy of Nuclear Reaction 對核反應閾能的討論
- It is possible to transmute one form of energy into another. 把某種形態(tài)的能量改變成另一形態(tài)的能量是可能的。
- The cabin has a flat stone for a threshold. 這間小屋用一條扁平的石頭做門(mén)檻。
- The treaty will be the threshold of lasting peace. 這個(gè)條約將成為持久和平的開(kāi)端。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
