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On the base of applied tech. and system structure, the key tech. are expressed in detail. It includes:Knowledge representation technology: it is described in two stages by "Depictive frame + Rule group"."Depictive frame" is used to reflect the factors concerning question field."Rule group" reflects the son-question in question field; knowledge management system: it is made up of knowledge-base editing component, factor classifying component, knowledge inspecting component and extractive knowledge component; uncertainty reasoning adopt method of elicitation search strategy and data drive controlled by member knowledge. It take reliability of compound proof at first. That can resolve the matching contradiction. Reasoning explanation introduce pre-text and followed method of resolving path. Knowledge discovery component take SLIQ as basic arithmetic. It provides classification model in two stage forms which aim at training suit. That is decision tree and productive rule.

在确定应用技术与系统结构的基础上,重点阐述了本文的核心技术,这包括:知识表示技术,采用&描述框架+规则组&的层次结构,&描述框架&用于描述问题域所涉及的因素,&规则组&反映问题域内的子问题;知识管理系统,由知识库编辑构件、因素分类构件、知识检测构件和知识求精构件组成;不确定性推理机采用启发式搜索策略,元知识控制的数据驱动,以复合证据可信度优先作为匹配冲突消解的策略,推理解释采用预置文本与求解路径追踪的方法;知识发现,采用SLIQ快速可伸缩算法,分类模型用判定树与产生式规则两种形式描述。

The Schiff base transitional metal complexes of various structures and their metallomicelles as peroxidase models for the phenol and phenolic derivant oxidation have been investigated. Some results are obtained from the studies:(1) the Schiff base transitional metal complexes have high catalytic activity for the phenol and phenolic derivant oxidation, and the structure of the complexes has a great effect on its catalytic activity;(2)a novel kinetic mathematical model for the complexes and their metallomicelles catalyzing the phenolic derivant oxidation has been established;(3) the feasibility and mechanism for the phenolic derivant oxidation catalyzed by the metallomicelle(as the mimetic model of peroxidase)have been discussed.

研究了冠醚Schiff碱金属配合物作为过氧化物酶的模拟模型对酚类物质氧化反应的催化作用,取得如下结果:(1)几种冠醚Schiff碱金属配合物对催化酚类物质氧化具有良好的催化活性,其中配体结构对其催化活性有较大的影响;(2)建立了金属配合物与表面活性剂形成的金属胶束催化酚类物质氧化反应的动力学数学模型;(3)探讨了金属胶束模拟过氧化物酶催化酚类氧化反应的可行性及其机理。

The research displayed that yeasts Genus level can be discerned by agarose gel electrophoresis and polyacarylamide gel electrophoresis, but the latter is more advanced. The Saccharomyces cerevisiae strains ITS-1 sequences are most disalike, few of them are equal completely. The bigger differences are part of base pairs about Poly-T, others are exchanged by single base pair.

研究表明,以酵母菌株的rDNA ITS-1序列进行琼脂糖凝胶电泳,能把菌株分类鉴定到属的水平;采用非变性聚丙烯酰胺凝胶电泳能把部分酿酒酵母菌株分类鉴定到种的水平,区别效果较琼脂糖凝胶电泳有所提高;对rDNA ITS-1序列进行克隆、测序,经序列比对后发现,酿酒酵母属中酿酒酵母菌株的ITS-1序列大多数有差异,差异主要表现在ITS-1序列上游的一段Poly-T碱基上,其它处的差异仅是个别碱基的转换或颠换,ITS-1序列长度分布在360-370bp之间,G+C%含量均在35.3%左右。

The invention discloses a construction method of biorthogonal wavelet, which is based on Bernstein base and comprises the following steps that:(1) a lowpass filter at a discomposing and reconstructing end is expressed by Bernstein base;(2) numerical calculation of the lowpass filter is carried out;(3) the lowpass filter at the discomposing and reconstructing end is led to meet the conditions to reconstruct the lowpass filter entirely;(4) the parameter of obtained biorthogonal wavelet is calculated.

本发明公开了一种基于Bernstein基的双正交小波构造方法,包括如下步骤:(1)将分解与重构端的低通滤波器用Bernstein基来表示;(2)进行低通滤波器的数值计算;(3)使分解与重构端的滤波器满足完全重构滤波器的条件;(4)计算获得双正交小波的参数。

Leaves apparently alternate, distichous; nanophylls present or absent, opposite to normal leaves; stipules 2; leaf blade 3-veined, one major lateral vein sometimes inserted above the base, or pinnately veined, base asymmetric, margin entire or serrate; cystoliths mostly present, linear or fusiform.

叶表面上互生,2列;微形叶宿存或无,对生于正常的叶;托叶2;叶片3脉,主要的一侧脉高于那些基部,或成羽状脉,基部不对称,边缘全缘或有锯齿;乳状体多数宿存,线或者纺锤形。

Flat tax-rates on a broad base are less distortive than high marginal rates on a narrow base.

在较大的税基上平均征税要比向少数人高额征税更好。

Stamens 2-20, often 4-8 on receptacle at base of bract; filaments short, free or slightly united at base; anthers erect, dithecal, extrorse, dehiscing longitudinally.

雄蕊2-20,通常4-8,着生于苞片的基部的花托上;花丝短,离生或稍基部合生;花药直立,二室l,外向纵向开裂。

Stamens 6, inserted at base or near middle of perianth segments; filaments slender or slightly dilated toward base; anthers dorsifixed, introrse.

雄蕊6,花被片的着生的在基部或近中部;花丝纤细或稍基部膨大;花药背着,内向。

Stamens 6, inserted at base of tepals; filaments filiform, slightly widened toward base; anthers dorsifixed, versatile, ellipsoid to narrowly so.

雄蕊6,着生的在花被片基部;花丝丝状,稍向基部变宽;花药背着,丁字着,椭圆形的到狭如此。

Connected with cross section patterns of freeway, the design method of drainable base course system and edge drainage system which meet to request are given too. The aggregate grading and mixture ratio of porous cement-treated macadam are obtained based on accurate survey on material properties and lots of laboratory experiments. After the construction of experiment road, a summary of mixing, spreading, roller compaction and maintenance process about subsurface drainage system is made, and the analysis on the cost of construction about drainable base course is also carried. According to the test of coefficient of permeability, porosity and strength of compression about local test samples and core samples, the paper concludes that main performance index of subsurface drainage system has achieved the design anticipated effect.

结合高速公路横断面型式,提出了适合要求的排水基层排水系统和边缘排水系统设计方案;在进行详细材料调查和大量室内试验的基础上,提出了多孔隙水泥稳定碎石基层的集料级配和混合料配合比;修建了路面内部排水系统试验路,根据试验路工程的施工情况,对路面内部排水系统施工的拌和、摊铺、碾压和养护工艺进行了总结;并对排水基层造价进行了分析;通过对现场取样试件、芯样的渗透系数、孔隙率和抗压强度的测试,证明路面内部排水系统的主要性能指标均达到了设计预期的效果。

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相关中文对照歌词
Unsubstantiated Rumors Are Good Enough For Me (To Base My Life Upon)
Yonkers Freestyle Base
Base For Your Face
À La Base
Fuera De Base
推荐网络例句

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说,如果是/否的问题回答f可看的价值观念在许多最有限坐标,然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明:基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小,它既能去除奇异点,又能保持图像中目标的边缘不变性,具有很好的滤波效果。

It explains in detail how the methods of elicitation, discussion, and induction are to be used in the physics teaching.

本文根据心理学原理论述了改革初中物理教学的必要性,并对"启发、讨论、归纳法"在物理教学中的应用作了详细的阐述。