查询词典 L.A.

For compactly supported biorthogonal multiwavelet system with dilation factor α and multiplicity r, a general method to construct many new length-(L+1) biorthogonal conjugate filters from a length-L BCFs is given, and the approach of constructing higher-order matrix BCFs from lower-order ones is presented simultaneously.

对于α尺度r重紧支撑双正交多小波系统，给出了由长为L的双正交共轭滤波器构造的长为L+1的BCFs的一般方法，也给出了由低阶BCFs构造高阶BCFs的方法。

Based on the characteristic that boracic acid (H3BO3) has a condasation and complexation reaction with 3-MCPD forming a negative-charged adduct in aqueous phase, arapid method for the direct determination of 3-MCPD in HVP by capillary electrophoresis with conductivity detection was investigated.

利用硼酸能与3-氯-1，2-丙二醇(3-MCPD)上的2个邻位羟基进行键合生成配合阴离子、从而增加多羟基化合物的负电荷的特性，在15 mmol/L 三羟甲基氨基甲烷-10 mmol/L H3BO3(pH 8.3)介质中，采用毛细管电泳/电导检测法分离检测了3-MCPD，该方法的线性范围为0.5-20 mg/L，检出限为0.1 mg/L(S/N=3)。

Take for the amount of test materials, precision that set, place beaker, unless otherwise specified, may be added 40ml of water and hydrochloric acid solution (1-2) 15ml, and then set on a magnetic stirrer, stirring allows the dissolved, together with potassium bromide 2g insert platinum - platinum electrode, it will insert the solution of the following buret tip is about 2 / 3, using sodium nitrite titration solution (0.1mol / L, or 0.05mol / L) rapid titration, side drops while stirring, to near point, Burette tip surface will be presented with a small amount of water leaching cutting-edge, lotion, and solution and continue titration slowly until the sudden deflection of galvanometer pointer, namely, titration end point.

取供试品适量，精密称定，放置烧杯中，除另有规定外，可加水40ml与盐酸溶液（1-2）15ml，而后置电磁搅拌器上，搅拌使溶解，再加溴化钾2g，插入铂-铂电极后，将滴定管的尖端插入溶液下面约2/3处，用亚硝酸钠滴定液（0.1mol/L或0.05mol/L）迅速滴定，边滴边搅拌，至近点时，将滴定管的尖端提出液面，用少量水淋洗尖端，洗液并溶液中，继续缓缓滴定，至电流计指针突然偏转，即为滴定终点。

The results showed that phosphorus deficiency stress environment (0~80 μmol/L) and phosphorus abundance stress environment (160~320 μmol/L) made the content of Chl a, Chl b and the total content of chlorophyll decline obviously, and restrained the growing of Chinese chive and decreased the yield.

结果表明：低磷胁迫(0~80μmol/L)和高磷胁迫(160~320μmol/L)使韭菜叶片的叶绿素a、叶绿素b及叶绿素总量明显下降，抑制韭菜的生长，降低了产量。

Where the absorbance A is proportional to the concentration (c, in mol/L) of the solute, the length of the path the light travels through the sample, and the constant of proportionality,ε, called molar absorptivity coefficient (L mol-1 cm-1) or molar extinction coefficient

那里的吸收度A正比于溶质的浓度，l是通过样品的光路的长度，而比例常数ε叫做莫耳吸收系数(L mol-1 cm-1)或者莫耳消光系数。

The system parameters are determined by optimizing an output-error cost function. To deal with the non-uniqueness of the fully parameterized state-space system, a projected gradient search algorithm is presented by restricting the update of the parameters to the tangent space to the manifold of observationally equivalent state-space systems. The sufficient condition to employ L-M algorithm for optimizing parameters is also introduced. The proposed hierarchical optimization identificationmethod includes two steps: First, the parameter search direction is determined by the proposed adaptive L-M projected gradient approach; Second, the optimum step size is computed according to a line search method.

通过极小化输出误差目标函数获得了系统参数估计；提出了正交梯度搜索方法用于解决系统参数的非唯一性问题，正交梯度搜索的本质是在输入-输出等价类相切平面的正交垂空间更新系统参数；给出了用 L-M 算法进行参数优化的充分条件；提出的系统参数递阶优化辨识方法包括两步：首先用给出的自适应 L-M 算子正交梯度方法确定参数优化方向；其次由一维搜索方法计算最佳步长。

A new definition of L parameter for considering the three dimensional stress distribution caused by hoop stress and torsion shear stress is made and the L solutions of these structures under various multiple loads are developed in the form of the simultaneous equations and a single exponential function equation.

另外还给出了在三维应力状态下的含缺陷结构L参量的新定义，针对多载荷作用下的周向裂纹管提出了求解L参量的联立方程法、幂指数法。

The main results are as follows: the relations between local fractional integrated semigroups and the corresponding Cauchy problem, global fractional integrated semigroups and regularized semigroups are given; introduction of the notion of regularized resolvent families, and the generation theorem and analyticity criterions for regularized resolvent families are obtained; the spectral inclusions between fractional resolvent family and its generator, and the approximation for fractional resolvent families in the cases of generators approximation and fractional orders approximation; elliptic operators with variable coefficients generating fractional resolvent family on L^2 by using numerical range techniques; and the L^p theory for elliptic operators with real coefficients highest order are obtained by Sobolev''s inequalities and the a priori estimates for elliptic operators; and a kind of coercive differential operators generates fractional regularized resolvent family by applying the Fourier multiplier method, functional calculus and some basic properties of Mittag-Leffler functions.

主要结论是：给出了局部分数次积分半群和相应的Cauchy问题的关系以及分数次积分半群和正则半群的关系；引入了正则预解族的概念，并给出了其生成定理和解析生成法则；给出了分数次预解族与其生成元的谱包含关系，并研究了在生成元逼近和分数阶逼近两种情况下相应的预解族的逼近问题；利用数值域方法证明了具变系数的椭圆算子在L^2上生成分数次预解族；利用Sobolev不等式和椭圆算子的先验估计证明了具变系数的椭圆算子在其最高项系数为实数时在L^p上生成分数次预解族；运用Fourier乘子理论、泛函演算和Mittag-Leffler函数证明了一类强制微分算子可以生成分数次正则预解族，并给出了该预解族的范数估计。

Result enunciation:The different density of the nourishment liquid is Peperomia obtusifolia to take root in number and a fresh and heavy performance functions,the water、1/2 nourishment liquids distinguish to express the result best;The different density of the hormone to take root number and a density for fresh and heavyly handlin...

结果表明：用不同浓度的营养液处理豆瓣绿，以1/2营养液生根效果最好，达13.3条，根鲜重达0.093g/棵，清水次之；用不同浓度的生长激素处理豆瓣绿，以30mg/L浓度的3-IBA生根效果最好，生根数达16.5条，根鲜重达0.132g/棵，10mg/L次之；在营养液与激素的互作处理中，清水与30mg/L激素、全营养与10mg/L激素的互作处理分别对豆瓣绿的生根数与根鲜重表现较优。

Firstly, a Ni complex 2 of glutamic acid Schiff base was formed in a 98% yield from chiral auxiliary 2-benzopheone (1) with nickel chloride hexahydrate and L-glutamic acid.

报道了一种采用谷氨酸席夫碱Ni配合物共保护L-谷氨酸α-氨基和α-羧基合成谷胱甘肽(γ-L-谷氨酰-L-半胱氨酰-甘氨酸)的新方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。