交上
- 与 交上 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The problem of finding stabilizer quantum-error-correcting codes can be transformed into the problem of finding classical self-orthogonal linear codes over the Galois field GF(4) under a Hermitian inner product. A classical cyclic code over the field GF(4) is self-orthogonal with respect to the Hermitian inner product iff the generator polynomial of its dual code is a factor of its generator polynomial.
寻找量子稳定子码的问题可以转化为寻找GF(4)上厄米内积自正交的经典线性码的问题;对于GF(4)上的经典循环码,它是厄米内积自正交的,当且仅当它的对偶码的生成多项式是其生成多项式的因子。
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Based on the former chapter, one method based on fundamental matrix and crossrate is proposed in this chapter to render novel image considering the character of fundamental and cross-rate invariant in the perspective project, which utilized the correspondence relationship between the given two images and projective invariant between images to render novel image.
该方法通过将基本矩阵的稳定性求解问题转化为一个有条件的极值求解问题,结合遗传算法良好的全局寻优特点,将该方法很好地引入到基本矩阵的求解中,并取得了良好的实验结果。(5)第五章在上一章的基础上,综合基本矩阵和透视投影中的交比不变性的特点,提出了一种基于基本矩阵和交比的生成新图象的方法,这种利用已知两幅图象之间存在的匹配关系和新图象和已知图象存在的透视不变量,来生成新图象。
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Finally, this paper presents a simple and practical method of 3D fault modeling. Fault intersecting lines on coal seam roof and other strata are acquired by the projection of fault intersecting lines on coal seam floor.
最后提出了一种简单实用的断层三维建模方法:利用底板等高线上的断煤交线及其它断层信息,通过投影法求得各地层面上的断层交线。
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Through S-wave polarization scanning mode of ultrasonic impulse testing, rock samples with three different properties are measured to evaluate the variation of S-wave velocity in three perpendicular coordinates. By analyzing S-wave splitting of three directions and polarization of the maximum or minimum speed S-wave amplitudes, we think that the velocity orthotropy and fracture orientation observed in the grain sandstones and crack marble samples can be estimated in terms of the polarization and velocity of S-wave. Also, perpendicularity characteristics on the two types of rocks can attribute to the bedding and structure of rocks (directional grains or crystallize).
在实验室通过选择了三种不同岩性的岩石,采用超声脉冲测试方法中的横波偏振扫描方式,观测了岩石样品三个坐标方向上的横波速度变化,通过分析三个传播方向上出现横波分裂的差异,以及出现最大或最小快慢横波振幅的偏振方向发现,可从横波偏振方向和速度值判断出纹理砂岩和裂隙大理岩样品存在不同程度的速度正交各向异性和裂隙方向等特征,认为这两种岩石的正交特性的原因是岩石的层理或裂隙与岩石本身的结构构成的。
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The result of immobilization showed that hydrophile membranes were more advantageous than hydrophobe ones to act as immobilization carrier. Crosslinking organophosphorus hydrolase by glutaraldehyde on polyethersulfone membrane is a simple and practical immobilization method. An appropriate amount of bovine serum albumin and crosslinker is necessary to get a good result of immobilization. In the biodegradation of methyl-parathion through enzyme membrane reactor, the effect of immobilized enzyme amount, flow rate of peristaltic pump, pH of the feed, and the methyl-parathion concentration on biodegradation rate was studied. It was shown that the biodegradation rate increased with immobilized enzyme amount and substrate concentration. Biodegradation rate didn't increase when the folw rate of the peristaltic pump was larger than 7 ml/min.
然后,研究固定化酶降解甲基对硫磷,从不同材料的膜载体固定有机磷水解酶的比较中,发现亲水膜比疏水膜适合作固定化酶载体;在此基础上,将有机磷水解酶固定在聚醚砜微滤膜上,并制成酶膜生物反应器,用于降解甲基对硫磷;戊二醛化学交联法固定时,酶液与10%牛血清白蛋白溶液的比例在3:1~2:1,与交联剂的比例在7:2~7:4范围内,固定化效果较好,并发现牛血清白蛋白和膜载体有降低酶活损失的作用;将固定化的酶膜装于酶膜反应器降解甲基对硫磷,实验结果表明:反应器的降解速率与固定化酶量呈正比,也随底物浓度的增加而加快,当流速低时,降解速率随流速增大而加快,到7ml/min以上时,降解速率不随流速脑黾佣洌到獾淖畹团ǘ任?
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In the backcross breeding of maize, the donor parent is suggested for consideration at priority, and backcrossing only once is acceptable on the basis of strict selection of target traits in combination with determination of GCA.
因此,利用回交法改良玉米自交系,在选准供体亲本的基础上,回交1次后,在自交过程中加强目标性状的鉴定选择及配合力测定,可提高回交改良的育种效率。
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First of all, a systematic study on adsorption properties of the four phenolic compounds (phenol, p-chlorophenol, p-cresol and p-nitrophenol) on MX-4, AM-1 and NJ-8 was carried out, and a comparison of the adsorption behavior between the new resins and Amberlite XAD-4 was also made. In addition, the impact of the resin structure and the property of a specific compound on adsorption behavior was discussed herein.
用静态吸附法系统地研究了四种酚(苯酚、对氯苯酚、对甲苯酚、对硝基苯酚)在乙酰基修饰交联聚苯乙烯树脂(MX-4)、酚羟基修饰超高交联聚苯乙烯树脂(AM-1)以及氧修饰超高交联聚苯乙烯树脂(NJ-8)上的吸附行为并与AmberliteXAD-4树脂的吸附行为进行比较,探讨了树脂结构和化合物性质对吸附行为的影响。
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Presenting the calculating method of the space displacement model of skewed box girder, whit main ideas of: dispersing the skewed box girder into some skewed beam segments and further dividing those segments into some plate pieces according to their forms; describing the displacement functions in the plane of plate piece by assuming that the space displacements of any point in the joint line between the plate pieces are described by using Hermite interpolation functions and that two displacements in the plane of plate piece are linear in the cross direction; Using Hermite interpolation functions to describe the bending the displacement of the unit length transverse frame cutting longitudinal from the skew box girder segment; Finally, describing the space displacements of a point in the plate pieces by two displacements in the plane of the plate and one bending displacement of plate.
提出了斜交箱形梁空间位移场的计算方法:将斜交箱形梁沿纵向离散为若干斜梁段单元,依据箱梁的构成进一步将斜梁段划分为若干板段子单元;各板段联结线上任意点的位移按Hermite函数插值,假定各板段的面内位移沿其宽度方向线性变化,以描述各板段面内位移;沿斜交箱梁段的纵向截取单位长度横截面框架,框架各杆件空间位移按Hermite函数插值,以描述各板段面外位移;板段内任意点的空间位移最终以2个面内位移和1个面外位移描述。
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Result shown: value of fractal dimension is a comprehensive index, which reflect the changes of landscape, patch areas, patch numbers, area per patch, and their interaction. And the index can reflect the irregular degree and the complex degree of landscape patch in dumping place. The fractal dimension of mixed vegetation of arbors – shrubs and mixed vegetation of shrubs maintain the high level, while fractal dimension of new reclamation land and grass land are low. The difference of other type landscape fractal dimension is not significant. Vegetation landscape is influenced by many kinds of factors. It is primarily influenced by surface material composition and terrain in south and west dumping place, which diversity index is high. It is primarily influenced by vegetation type in inner dumping place and expanded west dumping place. The landscape multiplicity index of the mixed vegetation of grass and shrubs is higher than other landscape type, but landscape dominance index of this area maintains on the lower level.
结果表明:分维数的大小反映了景观斑块面积、斑块数量和平均斑块面积等因素的相互作用,反映了排土场内景观斑块的不规则程度和复杂程度;乔灌混交地和灌木混交地保持着较高的分维数,新造复垦地和草地的分维数较低,其它景观类型的分维数则差别不大;植被景观受多种因子的影响,在南排土场、西排土场受地表物质组成和地形的影响为主,其多样性指数较高,在内排土场、西排扩大区受植被类型的影响为主;草灌混交地的景观多样性远高于其它现有的复垦植被区,但其景观优势度则保持在较低水平上。
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The constraint conditions of quasi optimal and strict optimal OOCs constructed by recursive method are theoretic analyzed. Based on these constraint conditions, as the initial conditions of OOCs obtained by direct construction, some quasi optimal and strict optimal OOCs with larger code length and sizes are obtained by recursive method.
2理论研究了基于递归法构造准最佳和严格最佳光正交码的约束条件,在此基础上,以直接构造法得到的光正交码为初始条件,利用递归法构造了一些具有相同相关特性的码长更长、容量更大的准最佳和严格最佳光正交码。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封,遮光,置阴凉干燥处。