本文以带有隧道穿透的PN结雪崩倍增理论，研究了微波固体噪声二极管。
The microwave solid state noise diodes are investigated based on the PN junction avalanche multiplication theory with tunneling penetration.
将深穿透勘查地球化学定义为研究能探测深部隐伏矿体发出的直接信息的勘查地球化学理论与方法技术。
Deep penetration exploration geochemistry, a new branch of exploration geochemistry, involves the measurement of any direct geochemical information emanating from the deeply concealed deposits.
本文利用势垒穿透模型计算重离子融合反应截面，我们发现理论计算结果同现有的实验数据符合得相当好。
The Barrier Penetration Model has been used to calculate the heavy ion fusion cross section and it does give a good description of the experimental data in existence.
理论推导了气泡雾化的临界流量系数；建立喷嘴穿透深度的经验公式；
First, the critical discharge coefficient formula of the effervescent atomization and the penetration correlation for the pressure atomization were constructed.
文中的第二部分对湿热灭菌中的热量和质量传递进行了研究，目的是通过理论计算确定湿热灭菌过程中的热穿透时间。
The second part was about heat mass transfer models in moist sterilization process, from which the heat transport time could be theoretically calculated.
本文从热弹性基本方程出发，理论上研究了非金属固体材料受激光热弹激励超声时，光穿透效应对所产生声波的影响。
The effect of optical penetration on laser thermoelastically- generated ultrasound in nonmetallic solids is studied theoretically on the basis of thermoelastic equations.
作者通过对热风穿透筒子纱时热质交换的分析，建立了筒子纱稳定干燥阶段水分蒸发的理论模型，推导出圆柱形筒子纱径向热风温度分布方程及水分蒸发方程。
By analysising the hot-mass transmission of hot-air passing through the polyester yarn package, the theoretical model of vaporization for package at the state of stable drying is established.
作者通过对热风穿透筒子纱时热质交换的分析，建立了筒子纱稳定干燥阶段水分蒸发的理论模型，推导出圆柱形筒子纱径向热风温度分布方程及水分蒸发方程。
By analysising the hot-mass transmission of hot-air passing through the polyester yarn package, the theoretical model of vaporization for package at the state of stable drying is established.
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