能量沉积
- 网络Energy deposition
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用能量沉积核函数方法计算~(60)Co照射野的吸收剂量
Dose calculation for ~ ( 60 ) Co irradiation field using energy deposition kernels
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MonteCarlo模拟电子在球壳模型中的能量沉积分布
Monte-Carlo Simulation of Energy Deposition of Electrons in a Spherical Shell Model
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PIN型快中子剂量元件的中子能量沉积计算
The Energy Deposition of Fast-neutron in PIN Fast-neutron Dose Detector
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类GEM用于X光电子能量沉积增益的实验研究
Experiment Study on the Thick GEM-like Multiplier for X-ray Photoelectrons Energy Deposition Gaining
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择食饲喂对肉鸡整体CP、能量沉积率无显著影响(P>0.05);
Choice feeding had no significant effect on protein retention ratio and energy deposition ratio ( P > 0.05 ) .
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本文用Monte-Carlo方法模拟外磁场作用下相对论电子在Ne气体柱中的能量沉积,磁场B取零级近似B0(外磁场)。
This paper gives the relativity electron energy deposition simulated by Monte - Carlo method in Ne medium in the presence of the external magnetic field .
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利用MonteCarlo方法计算了电子束的能量沉积,用流体动力学方程计算了热击波的传播,所用物态方程为GRAY三相物态方程。
The energy deposition of electron beam and the wave propagation in aluminum are calculated by using Monte Carlo methods and the hydrodynamic equations , respectively .
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电子束泵浦下KrF准分子反应动力学研究和能量沉积计算
Study of electron-beam-pumped KrF laser kinetics and calculation of energy deposition
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用它测量了强流电子束在靶上能量沉积产生冲击波的速度,由光电倍增管探测连续波He-Ne激光束照射靶的后表面的反射光束。
He-Ne laser beam irradiates the rear surface of the target and the reflected light is detected by a photomultiplier .
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本文分析了在风云一号(B)气象卫星环境中各种粒子辐射在集成芯片临界体积中产生的能量沉积,即LET(线性能量传输);
This paper analyses energy deposit in critical volumes of integrate chips , whi-ch produced by some radiated particles in Feng Yun-1 ( B ) satellite environment . That is called linear energy translation ( LET ) .
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C-C转移放电泵浦XeCl准分子激光器能量沉积特性的分析
Study of energy deposition properties of a XeCl excimer laser pumped by C-C transfered discharge
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计算了闪光二号加速器产生的高功率离子束(质子束)和1keV黑体辐射X射线在材料中的能量沉积剖面,计算结果表明二者的能量沉积范围和剖面变化趋势基本一致。
The energy deposition profiles in Al samples for 1 keV black radiation and HPIB from FLASH II accelerator were calculated . Their energy deposition range and variation trend of the profile were essentially similar .
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使用Monte-Carlo程序MCNP在2维情况下模拟得到了高能通量脉冲电子束在钽金属靶中的能量沉积。
A Monte-Carlo program MCNP is used to simulate the energy deposition of high energy flux pulse electron beam in the target material .
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采用Ziegler的拟合公式精确计算质子、α粒子、氘核、反冲核等带电离子的能量沉积。
Ziegler empirical formula is adopted to calculate the energy deposition of the charged particles .
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电子束横向泵浦柱形KrF系统时电子能量沉积的数值计算与物理分析
Numerical calculation and physical analysis of the electron energy deposition in the cylindrical KrF System Pumped transversely by electron-beam
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通过MCNP程序对探测器的能量沉积趋势和不同散射角散射γ射线的能量分布进行模拟计算。
The energy distributions of scattered γ - ray at different angles and corresponding energy deposited in detector were simulated by MCNP code .
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根据MonteCarlo模拟光子输运过程的理论,对过滤器内γ辐射的自吸收因子、路径上物质吸收因子、几何因子和晶体中的能量沉积等进行了描述。
Depending on the principle of Monte Carlo simulation of photon transport , we have calculated the energy deposition in cylindrical HPGe crystals , self-absorption absorption by materials on transport ways and geometrical factors for known source distribution .
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使用这些表达式,并基于HT-7U极向场线圈系统在等离子体建立时的电流波形,计算了AC损耗在PF导体上的能量沉积。
The energy deposition caused by AC losses in PF conductor is calculated by using these formulae . It is based on time evolution of the PF coil current during the plasma initiation .
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本文修改了电子束泵浦下KrF~准分子激光的化学动力学程序,利用修改后的程序对质子束泵浦下的Ar、Kr、F2混合系统的化学动力学过程和能量沉积情况作了计算。
The computational program of chemical kinetics of KrF ' excimer laser pumped by e-beam is modified . The kinetics and energy deposition for the mixture system of Ar , Kr and F2 pumped by proton-beam is calculated .
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用三维电子输运Monte-Carlo(MC)方法研究了双向四电子束泵浦KrF准分子激光器MOPA系统中主放大器(H1M)的能量沉积空间分布。
The spatial profile of the energy deposition for the main amplifier ( H1M ) of a KrF laser MOPA system is presented by meams of 3D Monte Carlo method .
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提出了一种比较精确且又省时的质子穿透的解析算法,并给出了考虑核反应后50&250MeV质子在水中的能量沉积,与MonteCarlo方法的结果进行了比较。
A precise and rapid analytical algorithm has been developed for calculating proton energy deposition in media . The results covering the radiotherapy energy range ( 50 & 250 ? MeV ) from this algorithm and data from Monte Carlo code are given .
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利用SHIELD程序研究了中高能质子入射在长06m、直径02m的圆柱形铅靶上的每个入射质子产生的能量沉积。
The energy deposition in the target of 208 Pb with the length 0.6 m and the radius 0.1 m induced by proton is analyzed by using the SHIELD code .
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数值模拟研究主要利用MCNP程序对γ射线在PIN探测器灵敏层中的能量沉积进行数值计算,得到探测器输出的脉冲幅度谱和灵敏度计算结果;
The simulation is conducted by using MCNP code to calculate the pulse-height energy deposition of γ - rays in the sensitive layer of PIN detector , the result of which is then analyzed to give a proposed sensitivity .
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可以看出,称为软电离的FAB,其能量沉积效率明显低于EI,因而可以得到更强的分子区信息。
It is found that the energy deposition efficiency in the so-called " soft ionization " of FAB is significantly lower than that in the case of EI . Therefore , more information can be obtained in the molecular region .
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本文报道了一台使用UV自动预电离,C-C转移放电泵浦的XeCl准分子激光器,并且以激光器放电信号和输出激光信号的同时测量结果为依据,分析了激光器放电的能量沉积过程。
Based on the measured current and voltage oscillograms in laser discharge , laser output signals and the analysis of the pumping circuit , we have analysed in detail the energy deposition process of a XeCl excimer laser pumped by C-C transfered discharge .
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通过对这些组织药物输运参数的统计分析,定量地考察了不同p-HIFU能量沉积对药物传输特性的影响和作用机理。
Based on statistical analysis of these tissue parameters , we quantitatively investigated the influence and mechanism of p-HIFU on drug delivery .
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多通道表面放电在光泵浦XeF(C-A)激光时具有能量沉积效率高、可获得大面积均匀放电、激活体积大以及增益均匀等优点。
The multichannel surface discharge applied for optical pumping XeF ( C-A ) laser has the advantages of high energy deposited efficiency , capability for large area uniform discharge , large active volume , and uniform gain .
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进行了激光能量沉积的试算与沉积均匀性的分析。
Computation and uniformity analysis of laser energy deposition is done .
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高能离子在稠密等离子体中的传输和能量沉积
The energy deposition and propagation of fast ions in ultra-dense plasmas
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吸气式激光推进中激光能量沉积过程的数值模拟
Numerical simulation of laser energy deposition process in air-breathing laser propulsion