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Degradation of long residual herbicides and antidotal effective of TNA were tested by means of using bioassay methods combined in greenhouse and field test.
利用生物化学的方法研究谷胱甘肽转移酶、乙酰乳酸合酶、苯丙氨酸解氨酶和超氧化物歧化酶在除草剂作用下的反应和作保灵对相关酶、GSH,脯氨酸和多酚含量调控作用。
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The auxiliaries of gasoline antiknock additive TKC were analysed by means of gas chromatography/mass spectrometry.
采用气相色谱/质谱联用技术对汽油抗爆剂 TKC的辅助剂进行了组分分析。
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For the application of the theory of antiresonance in mechanical network to vibration-utilization engineerings,three new types of antiresonant vibrating machine are put forword with their working principles described. Dynamic analysis is done by means of mechanical impedence to each type.
把机械网络中的反共振理论应用于振动利用工程,提出了三种新型反共振振动机械,从反共振角度阐明了它们的工作原理,并用机械阻抗方法分别对这三种振动机械进行了动态分析。
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Therefor, it is meaningful to improve the performance of antiskid braking systems by means of parametric uncertainty nonlinear control theory, and it is the topic of this dissertation.
文中总结了参数不确定非线性系统控制理论的研究成果,特别注意到基于反馈线性化理论的控制方法是参数不确定非线性系统控制理论的一个重要组成部分。
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Aircraft antiskid braking system can meetthe performance indexes by means of a fit weighting matrix in controllerdesign.
由于干跑道能提供较大的结合力矩,飞机在干跑道刹车的性能通常比较好。
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The braking efficiency is a main performance index in aircraft antiskid braking systems, the author studies the relationship between control accuracy and braking efficiency, so that we may design antiskid braking systems by means of braking efficiency directly, and this is the second creative point.
针对一种常用的描述结合系数和滑移率函数关系的表达式,研究了最佳滑移率、结合系数最大值和机轮抱死时的结合系数与该关系式中三个参数取值范围之间的联系,细化了这些参数的取值范围,减轻了应用迭代法求参数具体值的计算工作量。
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This paper,by means of a new method,the graph theory,reanalyses the stability of antisymmetric discrete Hopfield networks,avoiding the construction of energy function.The nessesary and sufficient conditions for a network to converge to a cycle of length 4 are presented,and the number of cycles of length 4 associated with a p-order antisymmetric discrete Hopfield network is discussed,with some suspicions presented.
本文应用一种新的方法——图论方法重新系统地研究了反对称离散Hopfield网络的稳定性理论,这种方法回避了构造能量函数的麻烦,本文给出了网络收敛于长度为4的环吸引子的充分及必要条件,讨论了p阶反对称离散Hopfield网络含有长度为4的环吸引子的数目,并提出了几个尚待解决的猜想。
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And it is further proved that the technique is effective and practical by means of the examples of the extraction of periodic and aperiodic signals.
运用周期和非周期弱信号的检测实例,进一步证明了该方法的有效性和实用性。
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The present study explores the mechanism of the spoken deficits of three Chinese aphasic patients by means of cognitive neuropsychological methods.
本研究尝试采用认知神经心理学的方法,以母语为汉语的三位失语者(ZBL,XSJ和WJX)为研究对象,通过分析他们口语障碍发生的机制,对上述争论进行一些深入探讨。
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The apophyllite crystals from Huangshi of Hubei Province and Punna of India are studied by means of conventional gemmological methods, EMPA and LRM, including the crystal characteristics, chemical compositions and inclusions.
以湖北黄石与印度浦那鱼眼石晶体为研究对象,采用宝石学常规仪器、电子探针、激光拉曼光谱仪对比分析了两者的晶体特征、化学成分和包裹体等。
- 推荐网络例句
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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.
另一方面,更重要的是由于城市住房是一种异质性产品。
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Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.
气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?