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The optimization of measurement model for sugar content in chestnut based on near infrared spectrosc
For the regression model for quantitative analysis based on near infrared spectroscopy,the optimization method of measur......
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Modification for prediction model of austenite grain size at surface of microalloyed steel slabs bas
The initial solidification process of microalloyed steels was simulated using a confocal scanning laser microscope, and ......
Magnetic reconnection is a fundamental process in plasma,which is thought to play important roles both in laboratory and......
RF phase jitter is a very important parameter for a relativistic klystron amplifier.This parameter is closely linked wit......
AlGaN/GaN high-electron-mobility transistors(HEMTs) with Al-doped ZnO(AZO) transparent gate electrodes are fabricated,an......
In this study we present an all-normal-dispersion Yb-doped fiber laser passively mode-locked with topological insulator(......
The magnetically insulated line oscillator(MILO) is a gigawatt-class, coaxial crossed-field microwave tube, which is at ......
本文提出了一种三效催化器失效被动式监测策略,并给出了催化器劣化阈值的标定方法.这种策略不会对排放结果产生任何影响,且监测工......
Under the sponsorship of CAS,a travelling exhibition themed“Innovation Driving Development and S&T Leading the Future—......
Portable electronics is usually powered by battery,which is not sustainable not only to the longtime outdoor use but als......
为了交流计算机应用技术,向石油系统推广使用《油田地面建设规划总图通用软件包》(简称“OSC”软件包),大港油田设计院总体规划室......
Theoretical Studies on Electronic Spectra and Second-order Nonlinear Optical Properties of Barbituri
The structures of barbituric acid derivatives substituted with Schiff base were optimized using ab initio HF method at 6......
Cyclotriphosphazene lubricants were synthesized and the relationship between theirstructures and tribological propertie......
A discussion about the bifurcation and non-uniqueness of solutions in the analysis of thermo-mechanical contact problem......
Theoretical studies of vibrationally resolved absorption and emission spectra: From a single chromop
Absorption and photoluminescence spectroscopies are useful tools to study the photo-physical properties of materials. Th......
In this paper, the dynamical forming mechanism of analogous rhythm phenomenon is studied by using a coupled ocean-atmosp......
A fast-hopping 3-band (mode 1) multi-band orthogonal frequency division multiplexing ultra-wideband frequency synthesize......
由于二氧化铈在汽车尾气三元净化催化剂中广泛应用，铈基氧化物的蓄氧性能成为人们研究的热点。氧化铜由于其独特的氧化还原和催化性......
The catalytic activity of Pd catalysts supported on Ce0.73Tb0.27 O x/Si O2, Ce0.6Zr0.4O x/Si O2,Ce0.73Tb0.27 O x/La2O3–......
口腔感觉异常征包括灼口综合征、口干症及味觉异常。该病发病率和就诊率逐年增加，已成为不容忽视的一类口腔疾病，但其病因和诊断方法......
Research on the Effects of in-Line Oscillatory Flow on the Vortex-Induced Motions of A Deep Draft Se
A Deep Draft Semi-submersible(DDS) under certain flow conditions could be subjected to Vortex-Induced Motions(VIM), whic......
Strontium was introduced into CeO2-ZrO2 mixed oxides (CZ) by doping and impregnation methods,and then Pt was impregnated......
基于正交投影的校正算法是近年来在光谱处理上显得较活跃的一种方法。本文介绍了基于正交投影的校正算法的基本原理,并对S.Wold、F......
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设计了一种新型的表面辐射内腔太赫兹波参量振荡器,交叉谐振腔结构允许增益介质放置在泵浦光谐振腔内,使用浅表垂直辐射结构能够从......
The unsteady flow of viscoelastic fluid in a cylindrical pipe was investigated using the fractional Maxwell model. Two s......
获得了一类带有连续和分段常数变元的中立型微分方程所有解振动的新的充分条件，研究结果改进和推广了已知文献中的某些结果。......
针对旋转弹体飞行中出现的锥形运动问题,建立了关于发动机端面燃烧的旋转弹的变质量陀螺方程,运用李亚普诺夫一次近似理论,分析了......
虚拟仿真平台以89C51芯片为核心,运用仿真软件和虚拟化技术,通过对单片机的运行过程和运行状态进行模拟,在计算机上用软件实现对硬......
由 cathodically 打扫 oscilliopolarography 的 isocarbophos 的决心被描述。在 1.0？...
绍了透明光网络管理和控制的有关问题 ,研究了透明光网络的结构以及配置管理问题 ,针对光网络缺少空闲信号 ,提出了一种告警压缩机......
在水稻品种南粳41中发现了一个黄绿叶自然突变体,经过多代连续自交形成了稳定的突变系,命名为ygl11（t）,ygl11（t）整个生育期叶片都表现......
稀土-锆复合氧化物在汽车尾气净化中有两种重要应用:氧传感器电解质和三效催化剂(TWC)助剂.本文简述了稀土-锆复合氧化物在这两种......
讨论了一类二阶非线性微分方程。利用一般的Riccati变换和完全平方技术，得到了方程新的振动准则。结果推广并加强了已有的一些振动......
智能型电子点钞机要求其捻钞电机能够在几十ｍｓ时间内从运行状态变为停止状态。为此，本文运用光电耦合器隔离交，直流电源，以防止干扰，采用......
讨论中立型抛物型微分方程组的解的振动性质,我们得到了中立型抛物型微分方程组在两类边界条件下所有解振动的充分条件。......
由于安全性好,存储容量大等方面的优点,金融IC卡代替传统的磁条卡已经成为一种必然趋势;由于电路的复杂性,在金融卡的设计过程中必......
文章将建立了具有分段常数滞后变元微分方程组振动的一个充分条件，并讨论其非振动解的渐近性。......
为了避免近似解析解带来的误差，文中利用拉格朗日方程，建立了可完整描述三线摆运动的微分方程，并利用数值分析方法来求解方程。最后通......
解决了一类带强迫项的三阶脉冲时滞微分方程的非振动解与其一阶、二阶导数的符号关系，得到其振动性与渐近性的判别准则，并举例说明了......
本文考虑时滞差分方程Δ（ｘ＿ｎ—ｃｘ＿（ｎ－１））＋ｐ＿ｎｘ＿（ｎ－ｋ１）—ｑｘ＿（ｎ－ｋ２）＝０，ｎ＝０，１，２……的解的振动性，得出其振动的两个充分条件。......
边部加热器是用于不锈钢热轧生产线上的一项新技术,对提高热轧板的边部质量,尤其是镀锡板的质量起着关键作用。介绍了边部加热器系......
基线漂移是由于数字信号通过交流耦合网络时产生的，当接收机的判决电平不变时，就会影响接收机判决脉冲的有无能力，从而导致系统误码率......
飞思卡尔Kinetis L系列MCU时钟系统含有内部参考时钟源、锁频环FLL、锁相环PLL、震荡器OSC、实时时钟RTC等时钟源机构,并提供了多......
在气候的变化上的赤道的西方的太平洋和它的影响的温暖的水池海洋温度的变化在现在的纸被学习。在温暖的水池区域的 SST 不仅有季......
通过构造泛函微分不等式，获得了一类具有时滞的中立型双曲微分方程解的振动性．...
文章介绍了直线振荡电机的一般原理,然后从电机的电磁特性、受力特性、运动特性、频率特性等方面对直线振荡电机的振荡特性进行了......
提出了一种新的振荡参数策略（OPS），用以提高粒子群优化算法在指定代数后的收敛性能。为了有效控制局部搜索并收敛于全局最优解，OPS在整......
