查询词典 dispersion matrix

Among the more than two-dozen new topics are the underlying principles of GC-MS, GC-MS-MS, LC-MS, and ICP-MS, column chromatographic cleanup, gel permeation chromatography, applications to biological sample matrices, matrix solid-phase dispersion, and laboratory-tested experiments.

在超过两打中新题目是GC-MS，GC-MS -MS，LC-MS 和ICP MS 的基础的原则，柱子色谱清除，凝胶渗透色谱学，申请在生物学的标本矩阵，子宫整整阶段的散布和实验室测试的实验。

High order symplectic schemes of three-dimensional time-domain Maxwell's equations are constructed with symplectic integrator technique combined with high order staggered difference. The method is used to analyzing stability and numerical dispersion of high order time-domain methods and symplectic schemes with matrix analysis and tensor product.

利用辛积分技术与高阶交错差分技术，建立求解三维时域Maxwell方程的高阶辛算法；结合电磁场中的物理概念，借助矩阵分析和张量分析理论，获得高阶时域方法及高阶辛算法的稳定性和数值色散性的统一处理新方法。

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。

A series of grafting-modified dregs were prepared and the influence of monomer ratio, rotation speed and time of ball milling on grafting efficiency was investigated. It is demonstrated that mechanochemical techniques of ball-milling can smash up dregs as well as initiate in-situ grafting polymerization. Thus the usableness and uniform dispersion of dregs in polymer matrix can be ensured.

通过红外光谱和热失重分析证明，球磨过程在粉碎细化废渣的同时，可由力化学作用引发原位接枝聚合反应，将改性聚合物化学键接在废渣表面，使废渣具备与聚合物共混、在聚合物基体中均匀分散的基本条件。

In order to improve the solubility of the CNTs in solution without any structural damage, the surface-modified approach with noncovalent bond is considered. Anionic polyelectrolyte, poly(sodium 4-styrenesulfonate), used as modifier was applied to overcome the difficulty of CNT's dispersion into insoluble and infusible polymer matrix.

为了使奈米碳管在高分子基材中达到良好的分散性，又不会破坏其原始特性，本研究采用非共价键结表面改质的方式来进行奈米碳管之分散，研究中以阴离子型聚电解质，Poly(Sodium 4-Styrenesulfonate)，为奈米碳管分散剂。

In this thesis,MWNTs were modified firstly using concentrated acid of H_2SO_4 and HNO_3,and then octadecyl isocyanate was grafted onto the surface of the MWNTs to improve the dispersion and the interaction between the filler and the matrix.

第一步，用浓硫酸和浓硝酸的混合液对MWNTs进行酸化处理，第二步，用廉价的十八烷基异氰酸酯对酸化过的MWNTs进行烷基化处理。

The results show that after quenched and tempered with protective coating,no elements in the protective coating are found to permeate into the matrix,but the martensite laths in welded zone and heat affected zone are refined and the dispersion of carbides in these area is increased,the sizes of the dimples in these fracture are decreased.

通常情况下，D406A钢壳体在热处理中未采用保护气氛，造成调质后壳体表面脱碳严重，使壳体强度降低。为防止或减少调质处理过程脱碳带来的不利影响，可采用保护涂料或保护气氛热处理以及真空热处理等[2]，但对于大型工件，采用保护气氛或真空热处理需要大量的设备资金投入；而采用保护涂料投入较少。

The results show that the matrix of the coating is Cu-base solid solution, and the main reinforcing phase is laves phases which show a dispersion distribution character.

结果表明，涂层的基体相为铜基固溶体，强化相主要为呈弥散分布的Laves相。

To set the coefficient determinant for zero to solve the characteristic equation of one-layered plate, and to calculate the dispersion equation of any layered plates with recursive matrix method.

层状板当上下表面为自由边界面时板中将会产生板波，文中通过求解行列式和采用传递矩阵法分别得到了单层板和任意层板的特征方程，研究了单层板和双层板中板波的频散特性和板中位移和应力的分布，讨论了板波的动力响应，对测点的布置有一定的指导意义。

The approaches taken to prepare NO releasing polymers are classified into three catogories:(1)doping discrete NO nonors within polymer matrix;(2)covalent attachment of NO resealing moieties on the filler particles of the polymer to provide NO releasing properties and then dispersion them into the polymer backbone;(3) covalent linkage of NO donors to polymer molecules.

制备可释放NO聚合物材料的方法主要有3种：（1）通过物理掺杂的方式将小分子的NO供体分散到聚合物材料中；（2）对聚合物材料的填料微粒进行化学改性，得到可释放NO的填料粒子，再将其填充到聚合物材料中；（3）通过共价键将可释放NO的基团连接到聚合物主链及侧链上。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。