发射体
- 与 发射体 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In spite of the slight blue shift in the LE band, the ICT band was found to shift to the blue soundly at CTAB concentration well beneath its CMC, suggesting that an apolar microenvironment is formed surrounding the fluorophore over this CTAB concentration range.
当CTAB浓度远低于其临界胶束浓度时,ICT发射带显著兰移,而LE发射带略微兰移,这表明在该CTAB浓度区域内,荧光体处于非极性微环境中。
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Direction cosine analysis based on winmeil;2. According to the directioncosine formula in hexahedron tubular hea ter,the direction cosine of energy bind in inclined and symmetry tubular heater is stuided.
分析了用蒙特卡罗法计算加热炉辐射传热时能束的发射方向和行程长度,根据六面体加热炉中能束的方向余弦公式,对斜顶对称加热炉中发射能束的方向余弦进行了研究,得到了其修正公式,对斜顶壁面相交坐标进行了修正。
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The launching direction and journey length of energy bind in calcula ting the radiation heat transferring in tubular heater by method of Monte-Carlo are analysed. According to the directioncosine formula in hexahedron tubular hea ter,the direction cosine of energy bind in inclined and symmetry tubular heater is stuided.
分析了用蒙特卡罗法计算加热炉辐射传热时能束的发射方向和行程长度,根据六面体加热炉中能束的方向余弦公式,对斜顶对称加热炉中发射能束的方向余弦进行了研究,得到了其修正公式,对斜顶壁面相交坐标进行了修正。
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There are blue and green emission spectral series in the phosphors activated by three valence ions of Terbium.
三价铽离子激活的磷光体有兰色和绿色两个发射谱线系列。本文分析了这两个系列谱线的强度,随着激活剂浓度而变化的实验结果,发现在激活剂浓度达到一定数量之后,当继续增加激活剂含量时,兰色和绿色发射谱线相对强度的变化规律,和加入敏化剂的结果是一致的。
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Launch dynamics and transfer matrix method of multibody system are used to develop a launch dynamics model, equations of vibration characteristics and dynamic response. The firing dispersion test method of a non-full loading fire rocket based on the idea of equal initial disturbance is presented.
应用发射动力学和多体系统传递矩阵法理论,建立了多管火箭发射动力学模型,推导出了多管火箭振动特性和动力响应方程,形成了基于等起始扰动思想的多管火箭非满管射击密集度试验方法。
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By using the transfer matrix method of multibody system, the hard problem of computation of the vibration characteristics of LRMLRS coupled with rigid bodies and elastic bodies is solved which is very difficult to the ordinary dynamic methods, and the vibration characteristics of LRMLRS which is varied when the number of rockets in the launch device is varied, is obtained conveniently. By developing augmented eigenvectors of the LRMLRS and its orthogonality conditions, the nonorthogonality problem of the multibody system including rigid bodies and elastic bodies is solved and the exact analysis of the dynamics response of the LRMLRS including rigid bodies and elastic bodies is realized. By using the random integer programming method, the hard optimization problem which contains continuous variables, discrete variables and random variables at the same time is solved. This method provides a technology for optimum design with random variables and discrete variables. The dynamic optimum design is realized to decrease the number of rockets consumption in the LRMLRS test. The simulation system of dispersion of fire is established by using the maximum entropy method to estimate dispersion of fire.
通过应用多体系统传递矩阵法,解决了刚弹耦合远程多管火箭多体系统振动特性这一通常力学方法不便于解决的计算难题,方便地获得了远程多管火箭振动特性及其随发射架上火箭弹个数变化而变化的情况;通过构造增广特征矢量及其正交性条件,解决了刚弹耦合多体系统特征矢量不具有通常意义下的正交性的难题,实现了对刚弹耦合远程多管火箭动力响应的精确分析;应用随机整数规划法,解决了同时考虑连续、离散和随机变量等多种设计变量的优化设计难题,为含随机和离散变量的优化设计提供了手段,实现了减少远程多管火箭试验用弹量的动态优化设计;建立了应用最大熵法估计的密集度仿真系统,优化射序和射击间隔,实现了提高远程多管火箭射击密集度的动态优化。
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Taking into account the conjugate heat transfer between electrolyte and torpedo shell as well as between torpedo shell and sea water inside the tube, the time histories of the electrolyte temperature and the temperature contour on torpedo shell and tube were obtained.
考虑了电解液与鱼雷壳体、鱼雷壳体与发射管内海水的对流耦合换热,得到了电解液的温度变化规律以及鱼雷壳体和发射管体上的温度分布规律。
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In this paper, using multi rigid dynamics, by considering the match motion of the shooter s body, the automatic motion, floating and the rifle, a launch dynamic model is established for caseless rifle .
采用多刚体系统动力学理论,考虑人体、自动机、浮动体与全枪的耦合运动及自动机循环各阶段的运动与碰撞,建立了高频浮动新结构无壳弹枪在卧姿有依托状态下的发射模型,通过数值模拟,得出三发点射状态下无壳弹枪的发射特性,并与常规自动步枪作了比较,分析了无壳弹枪性能的优越之
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The characters of powder are connected with the inside structure and synthesize-technics of materials. In this paper, we want to search a optimize technics of materials synthesizing, and prepare a kind of nanosize powder which shape like ball and have good dispersed character. At the same time, we want to obtain a bridge structure of Zn-O-Tb through dopping of Tb, which can achieve efficient energy transfer from ZnO hosts to excited states of dopants, The doped powder can eradiate blazing green light because of efficient emission buildup from dopants and ZnO hosts, and the powder can emission a pure light. And we want to research the structure in doped ZnO for the further research of low-tension fluorescence of ZnO.
粉体的这些特性无不与其内部结构特征和制备工艺有关,基于这些,本文的实验目的是希望能寻找一种合适的制备方法和优化工艺,制备分散性好的球形纳米颗粒,希望改善其表面形貌,同时,通过铽掺杂,希望得到一种Zn-O-Tb桥联结构,实现氧化锌基体向铽发光中心的能量传递,希望铽中心特征发射和氧化锌绿光发射能有效叠加增强,改善粉体的单色性,制备出好的复合粉体,分析清楚其结构,从而为后续低压荧光特性研究作准备。
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The UV absorption and photoluminescence properties of phenanthroline derivatives with triphenylamine and oxadiazole groups and their europium complexes were investigated. These europium complexes display intense UV absorption and photoluminescence properties. The PL results from emission of Eu3+ ion in their pure thin films. A maximum PL wavelength is 612 nm and a full width at half maximum is from 9 nm to 15 nm for the PL of these europium complexes, respectively.
2研究了三芳胺和噁二唑功能化的邻菲罗啉中性配体及其铕配合物的紫外吸收和光致发光性能,研究结果表明,这类新型的铕配合物具有强烈的紫外吸收和光致发光性能,铕配合物在固体薄膜状态下都能发射出强烈的铕离子特征峰,其最大发射波长为612 nm,半峰宽为9~15 nm。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。