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- The methane emission peak of early rice appeared in young panicle differentiation stage of rice. 早稻甲烷排放峰值出现在水稻幼穗分化期，晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
- CdSe nanoparticles obtained have a ca. 150 nm broad, continuous excitation peak and a narrow, symmetric emission peak. 合成的硒化镉纳米颗粒有150 nm 宽的激发波长范围,荧光峰窄且具有良好对称性。
- The measured pressure coefficientof the emission peak for (GaAs)_1/(AlAs)_1 is -1.35 meV/kbar. 测得(GaAs)_1/(AlAs)_1的光致发光峰的压力系数为-1.;35 meV/kbar。
- CH4 emission peak occurred soon after the soils fell dry when the soils was dry and soft. 烤田期间CH4的排放峰值出现在土壤呈微干松软状态时；
- Polydiepersity index was 7.6. Emission peak wavelength of EL cell based on PDHPV was 486nm(blue light),turnon voltage was 22 V. 电致发光器件的发光峰值波长为486nm（蓝光），起亮电压为22V。
- The emission wavelength of QDs was controlled by the size of the core and each single-color of QDs has narrow symmetrical emission peak. 量子点的发射波长取决于核心粒子的大小，而每一种单色量子点的发射波长窄而对称。
- In addition, the emission peak of 20-layer SiGe QDs sample is observed 16 meV higher than that of 5-layer SiGe QDs sample due to more relaxation during growth. 此外，我们也观察到二十层矽锗量子点样本的发光顶点波长的能量比五层矽锗量子点样本要高出千分之十六电子伏特，这是由于二十层矽锗量子点在成长过程中所受应力松弛较多的缘故。
- The result showed that the emission peak is at about 486nm, the samples emit blue-green light. The first brightness is 5200mcd/m~2 , the afterglow time is more than 45 hours long. TEM indicated that the average size of the particles is about 50nm. 结果表明其发射波长为486nm，余辉颜色为蓝绿色，初始亮度达到5200mcd/m~2，余辉时间长达45小时，TEM分析表明该材料的平均粒径为50nm左右。
- For the same sample, the full width at half maximum of the ground state emission peak is as narrow as 19 meV at low injection current, and less than 40 meV even at saturation condition. 相同的试片中，低电流时的基态发光半高宽仅 19 毫电子伏特，基态饱和时不超过 40 毫电子伏特。
- The emission peaks are ascribed to Eu3+ ions transition from 5DJ(J= 0, 1, 2) to 7FJ(J=0, 1, 2, 3, 4). 发射光谱为线状光谱,归属于Eu3+的5DJ(J=0,1,2)到7FJ(J=0,1,2,3,4)的跃迁。
- Blue shift appears on the absorb edgea in the absorption spectrum and also on the exciton band edge emission peaks in the luminescence spectrum. 在光致发光谱中;不仅激子直接复合产生的带边发射产生了蓝移;而且陷阱态复合产生的宽带发射也发生了蓝移.
- With the increase of treatment temperature, the emission peaks in photoluminescence spectra of CN powder obtained under the pressure of 5GPa shift to longer wavelength. 在5GPa压力条件下，随处理温度升高，碳氮粉末的荧光发射峰产生红移。
- The main purposes of quasar recog-nition are to identify the emission peaks in an observable quasar spectrum and to determine the observable quasar’s redshift value. 观测的类星体光谱由于红移现象,光谱向长波方向偏移,因此识别类星体观测光谱中的发射线和确定类星体的红移是类星体识别的主要目标。
- With appropriate top and bottom periodic hole structures arrangement, the emission peaks from SPs resonance in the bottom periodic structure are observed simultaneously. 在适当的上、下周期性结构设计之下，可观察到由下层周期结构所造成的表面电浆共振产生的发射频谱。
- Many mountaineers have reached that mountain peak. 许多登山家都登上过那座大山的顶峰。
- We have a precipitous climb to the peak. 我们向着陡峭山顶攀登。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- Tourism is at its peak in August. 旅游业在八月份达到高峰。
- The climbers made camp half-way up the peak. 登山队员在半山腰扎营。
- Traffic is very heavy at peak hours. 在高峰时间交通非常拥挤。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
