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- threshold current intensity 阈值电流强度
- Seizure of rats was kindled by electric stimulation,the To determinate and compare the after discharge threshold(ADT) and current intensity that stage 5 seizure thresh old(ST) needed were determined and compared between the two groups. 通过电刺激点燃大鼠痫性发作,测定并比较两组大鼠达到放电阈值及5级痫性发作阈值所需电流强度。
- The minimum CW threshold current(I_(th))of the LD is 20mA at room tempe- ratue,with the typical value of 30mA. 在室温 CW 工作条件下,该激光二极管的最低阈值电流为20mA,典型值为30mA。
- The results show that these newly made DFB-LDs have threshold current as low as 7mA, 35% lower than the former LPE-buried DFB-LDs. 测试结果显示:采用新工艺制作的DFB激光器的阈值电流较LPE掩埋的DFB激光器下降了35%25;达到7mA.
- The results showed that flow and current intensity etc.factors had greater influence on the separation of magnetic floc. 研究结果表明,流量、电流强度等因素对磁絮体分离有较大影响;
- Though the lasers with lattice-mismatch cladding layers still have low threshold current density, the gain is too small to support ground state lasing. 所制成的雷射虽然也有很小的起振电流，但由于增益较小无法在基态放光。
- The results showed that flow and current intensity etc. factors had greater influence on the separation of magnetic floe. 研究结果表明，流量、电流强度等因素对磁絮体分离有较大影响；
- It is found that optimization of the structure parameters of ridge waveguide (RWG) can decrease the threshold current of RWG laser diode. 通过优化脊形波导的结构参数可以降低脊形波导激光器的阈值电流,提出了实现亚微米脊宽,从而降低阈值电流的方法。
- The temperature dependence of threshold current is not described by a single exponential term with a characteristic temperature. 量子点的临界电流对温度关系无法用单一特徵温度描述，特徵温度会随温度改变。
- Double heterostructure(DH)realizes the complete confinement of carriers and light,decreasing threshold current density substantially. 双异质结构实现了光和载流子的完全限制 ,使阈值电流密度大幅度下降。
- AC Milliammeter, Model J0414, is suitable for the laboratories of middle schools and polytechnic schools to measure current intensity in the AC circuit. J0414型交流毫安表适用于中学、中专等实验室测量交流电路中的电流强度。
- In particular, there is an optimal well number corresponding to the lowest threshold current density for MQW structure in the microcavity lasers. 特别是在微腔多量子阱结构中存在一个最佳阱数对应着阈值电流密度的最小值。
- The results discover that AlInGaAs strained quantum well lasers excel AlGaAs laser in slope efficiency,threshold current and characteristic temperature and so on. 结果发现AlInGaAs应变量子阱激光器在斜率效率、阈值电流、特征温度等方面随温度变化的特性都优于AlGaAs激光器.
- The lasing wavelength is 1.33 mm and threshold current density is 248A/cm2. This is the first report on successful fabricating of long wavelength CW QDs lasers in china. 阈值电流密度为248A/cm2.;这是国内首次报道室温连续激射量子点长波长激光器
- The introduce of band-gap discontinuity in heterostructure can obtain high injection ratio, decrease further threshold current and increase the output power. 异质结构引进的带隙差可以实现高注入比、进一步降低了阈值电流，同时提高了输出功率。
- In addition, hourly analysis of current intensity of tropical cyclone will be made available in the bulletin for current weather whenever local tropical cyclone warning signal is in force. 除此以外,当本地热带气旋警告信号生效时,热带气旋强度分析资料会每小时附加在天气报告内。
- The effects of device temperature on the laser threshold current, external differential quantum efficiency (DQE), and output wavelength are also investigated. 研究了器件温度对于激光阈值电流、外微分量子效率和输出波长的影响。
- Projection Ammeter, J01460, is suitable for middle schools and polytechnic schools to measure current intensity in the DC circuit in teaching demonstration or experiment with the projector. J01460投影电流表适用于普通中学、中专配合投影仪在进行教学演示或实验时测量直流电路中的电流强度。
- The numerical results show that the threshold current depends on the skin depth of the waveguide wall, the magnetic field detuning and the perpendicular-to-parallel velocity ratio of the electrons. 研究结果表明：绝对不稳定性起振电流与损耗波导的集肤深度有关，选择有较大的集肤深度的损耗波导可以提高绝对不稳定性起振电流；
