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- Effects of human engineering activities on permafrost active layer and its environment in northern Qinghai-Tibetan plateau. 人类工程活动对青藏高原北部多年冻土融化层及其环境的影响
- The increase of wetland was remarkable in valley, gentle slope and the area with thick permafrost active layer, and also in area of regulating capacity of forest hydrology decreasing. 在森林水文调节功能下降的地区、地势较低的谷地,坡度平缓的坡地以及冻土活动层增加的地区,湿地面积明显增加。
- Asymptotic Evaluation of Temperature in the Permafrost Active Layer with Time-Dependent Boundary Conditions 非定常边界多年冻土活动层温度的积分渐近计算
- Role of Vegetation and Climate in Permafrost Active Layer Depth in Arctic Tundra of Northern Alaska and Canada 植被和气候对阿拉斯加和加拿大北部北极苔原地区多年冻土活动层厚度的影响
- permafrost active layer 融化层
- Thawing and refreezing each year, an active layer of soil lies over permafrost. 覆盖在永冻层上方的一层活冻层土壤,每年都会融化和重新冻结。
- Effects of human engineering activities on permafrost active layer and its environment in northern Qinghai-Tibetan plateau 人类工程活动对青藏高原北部多年冻土融化层及其环境的影响
- In seasonally frozen ground regions as well as permafrost regions,active layer is the most active terrane in terms of thermodynamics. 活动层夏季融化、冬季冻结的近地表土(岩)层,是冻土地区热力动态最活跃的岩层,在冻土研究中有着重要意义。
- It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further. 结果表明,由于工程活动改变了场地下垫面性质,造成了不同场地活动层冻融过程、活动层厚度等的差异,进而影响了多年冻土变化。
- The Eraser tool uses brushes of various sizes and softnesses to erase pixel information from the active layer. 橡皮擦工具使用了各种大小和硬度的笔刷,来擦去活动图层的像素信息。
- These devices have optical waveguide structure, moderate doping level and active layer thickness. 该器件带有光波导结构并具有适当掺杂和有源层厚度。
- The change of heat and water process of the active layers at the engineering sites is intenser than that at the original surface site, and the permafrost stability of the engineering sites is lower than that at the original surface site. 冻融期间工程活动场地活动层的水热状态变化要比天然场地强烈而且差异较大,工程活动场地冻土的稳定性比天然场地低。
- Using steady state rate equations,closed form solutions for carrier density in the active layer is deduced. 利用稳态速率方程 ,导出了激光器有源区载流子密度与偏置电流及输入信号光功率关系的隐函数表达式。
- Chuang. This kind band structure can be chose n as an active layer of 980nm pump lase r for optical com -munications. Chuang提出的传递矩阵法,计算了量子阱中不同Ga组分的GaxIn1-xAs/GaInAsP应变量子阱结构的能带,该结构可被选作980nm光通信泵浦激光器的有源层。
- This action removes the white from an active layer, leaving the white area transparent. 这一个动作把白色从活动的层移开,被剔除的白色的区域透明。
- In this paper, we reported the results of isolation in Si-implanted GaAs active layer by B+ implantation. 本文报告了在注Si~+的GaAs有源层上进行B~+注入实现隔离的实验研究.
- After treating conventional BCE TFTs by UV light, deep traps will be made in active layer by UV light. 利用氧化铟锡与矽所产生的异质接面来阻挡形成光漏电的电洞电流。
- An Add Object actuator will be ignored if at game start, the linked object doesn't exist (or is empty) or the linked object is in an active layer. 如果游戏开始将忽略加入物体执行器,连接的物体不能释放(或空)或连接的物体在活动层。
- The behaviour of infrared rapid thermal annealing (IRTA) of GaAs MESFET active layer and n+ layer formed by Si+ implantation is studied. 本文研究了GaAs MESFET有源层和n~+层Si~+注入的红外快速退火行为。
- In this paper,we combine MapX with Delphi 7.0,empolder digital map,use the active layer technology and userdefined tools to add feature. 探讨了MapX与Delphi7.;0相结合用于电子地图二次开发
