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基本不受
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  basically had no impacts
     While faults basically had no impacts on the sedimentation of the Upper Jurassic, thus the Late Jurassic basin was a downwarped basin.
     上侏罗统的沉积作用基本不受断层控制 ,为坳陷盆地。
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  “基本不受”译为未确定词的双语例句
     CaMV35S promoter considered, the amplication fragment of primer 35S_1/35S_1, 35S_2/35S_2, and 35S_4/35S_4,had no change in the different manufacturing processes except primer 35S_3/35S_3'.
     针对CaMV35S启动子,引物35S_1/35S_1’、35S_2/35S_2’和35S_4/35S_4’的扩增片段基本不受加工工艺的影响,但35S_3/35S_3’的扩增片段受加工工艺的影响较大。
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     Under certain conditions Co(Ⅱ) can completely separated from Ni(Ⅱ),Cd(Ⅱ),Al(Ⅲ),Ca(Ⅱ),Mg(Ⅱ),Pb(Ⅱ),Mn(Ⅱ),Fe(Ⅲ),Bi(Ⅲ) and hardly affected by SO_4~(2-),NO_3~-,Br~-,Cl~-,I~-.
     控制一定条件,Co(Ⅱ)能与常见阳离子Ni(Ⅱ)、Cd(Ⅱ)、Al(Ⅲ)、Ca(Ⅱ)、Mg(Ⅱ)、Pb(Ⅱ)、Mn(Ⅱ)、Fe(Ⅲ)、Bi(Ⅲ)等完全分离,且富集时基本不受SO42-、NO3-、Br-、Cl-、I-等阴离子影响。
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     6. Tmax t1/2 and MRT was not affected by dose.
     6、Tmax、t_(1/2)和MRT基本不受剂量和饮食的影响。
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     The Mossbauer spectra of compounds with general formula [(π-C_5H_5) Fe- (CO)_2]_2Sn
     研究了[(π-C_5H_5)Fe(CO)_2]_2Sn(X)(Y)类型化合物的穆斯堡尔谱,表明Fe的参数基本不受X、Y基团性质的影响,而不同X、Y改变Sn上s电子密度从而引起Sn的参数有规则的变化;
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     The results can be concluded as following:The POD, SOD and PPO were affected significantly by the barley varieties but had little relationship with the barley protein content, which could be tested by the results of R~2 values and P values (R~2=0.1849, 0.2096, 0.07673;P=0.4524, 0.3766,0.8382).
     啤酒大麦中的POD、SOD和PPO主要受大麦品种影响:通过回归分析,POD、SOD、PPO与蛋白质含量的相关系数R~2值分别为0.1849、0.2096、0.07673,P值分别为0.4524、0.3766、0.8382,基本不受大麦蛋白质影响。
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     In addition, the logical reasoning aptitude is not affected by subjects and sex.
     逻辑推理能力基本学科和性别影响。
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     While faults basically had no impacts on the sedimentation of the Upper Jurassic, thus the Late Jurassic basin was a downwarped basin.
     上侏罗统的沉积作用基本断层控制 ,为坳陷盆地。
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     (4)the capacity is almost unlimited by the number of taxa;
     ( 4 )检索表容量基本分类单元数量的限制 ;
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     No!
     !
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     In this thesis, inspired by J.
     J.
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Undaria pinnatifida (Harv.) Sur. is one of the important economic seaweeds ofChina. So far it has not yet been brought under cultivation by the artificial method,because there is no effective method to cultivate the sporelings. Although the cultiva-tion of sporelings was successful to a certain extent in the sea, there still exist somehandicaps which hinder the growing of the sporelings. The spores of some other sea-weeds and larvae of various invertebrates adhere to the same substratum on which Un-daria spores...

Undaria pinnatifida (Harv.) Sur. is one of the important economic seaweeds ofChina. So far it has not yet been brought under cultivation by the artificial method,because there is no effective method to cultivate the sporelings. Although the cultiva-tion of sporelings was successful to a certain extent in the sea, there still exist somehandicaps which hinder the growing of the sporelings. The spores of some other sea-weeds and larvae of various invertebrates adhere to the same substratum on which Un-daria spores set, and hence they chock the development of the spores of Undaria. Be-sides, the artificial substrata are often washed away by the waves, so the cultivationin the sea is not safe during the summer. Tseng, Sun and Wu (1955) suggested that cultivation of sporelings of Undaria bemade at low temperature. According to our studies the gametophytes of Undaria growwell at 25-27℃, and the temperature of sea water seldom rises above 28℃ at Tsingtao.As temperature is not a limiting factor for cultivating gametophytes, so low tempera-ture method sccms not necessary. We collected the spotes of Undaria in July and culti-vated them in pools indoors.When temperature dropped to below 25℃, the gametophy-tes began to develop into sporophytes. Under good light condition the sporelings grewlarger and denser. When the temperature of the sea water dropped down to 22-23℃,the sporelings were transfered from the pool to the sea. A month later the sporelingsgrew to such sizes as 1.8-2.3 cm. There are three advantages in the artificial cultivation of Undaria sporelings inpools: (1). The temperature of sea water in pools lowers more quickly than the tem-perature of water in the sea after middle autumn. Under lower temperature the youngsporophytes grow larger than those in open sea. (2). Filtered sea water is free fromvarious marine invertebrates, so that Undaria sporelings may grow denser. (3). Thismethod of cultivation in pools is safe, simple and economical along northern Chinacoast.

本文分析了裙带菜海上育苗产生的附着物问题,风浪对筏子的安全影响以及其他技术问题,因而提出了裙带菜育苗与海带相同的方向,以室内培育比较适宜,同时阐明了在室温条件下培育的原因。 实践的结果表明:1.室内水池育苗在每天的最大光强900~1000米烛,水温不超过海上温度,以过滤海水进行培养,裙带菜的配子体可以安全渡夏,秋后可以达到肉眼可见程度的幼苗,而基本不受附着物的危害;2.在水池环境育苗,竹皮比棕绳的育苗效果好,所以竹皮是裙带菜育苗的适宜生长基质;3.水池育苗的幼苗发生稠密,个体大,比海上育苗的幼苗发生量高20~128%。 我们对这一新的育苗法讨论了它的问题,并且认为:1.裙带菜的配子体有耐高温的性能,已为国内外的研究所证实,配子体于室内条件可以发育,也为斋藤报道过,因此配子体在水池渡夏并能培育出幼苗是可靠的。2.这种方法培育出的幼苗可以满足养殖嫩菜或成菜的要求,所以是一种有效的育苗方法。3.水池育苗比海上育苗安全,劳动条件好;比低温育苗成本低。由于水池育苗形式符合海藻培养业的专门经营;又因其技术简易又适于小型分散经营,这种育苗法比海上育苗和低温育苗在我国北方沿海更有广泛的应用价值。

Shock associated noise is an important part of choked jet noise. Sound field and spectra thereof were investigated experimentally by utilizing the heterodyne analysis technique, so that both the screech and the wide-band noise can be recorded and studied. The sound pressures and spectra vary widely with the stagnation pressure, but the overall sound pressure level at 90?to the jet shows good regularity, it is nearly a constant between pressure ratios 3 and 8.5, given by 97 + 201og d, dB, d being nozzle diameter...

Shock associated noise is an important part of choked jet noise. Sound field and spectra thereof were investigated experimentally by utilizing the heterodyne analysis technique, so that both the screech and the wide-band noise can be recorded and studied. The sound pressures and spectra vary widely with the stagnation pressure, but the overall sound pressure level at 90?to the jet shows good regularity, it is nearly a constant between pressure ratios 3 and 8.5, given by 97 + 201og d, dB, d being nozzle diameter in mm., and empirical formulae are given to facilitate the SPL prediction on the whole range of pressures. The wide-band shock associated noise was found to be predominant in the range of pressure ratio between 2.5 and 7, and screech only up to slightly more than 5. For pressure ratios less than 2 or more than 8.5, the jet noise is entirely dominated by turbulent noise. New formulae for screech frequency and peak frequency of wide-band shock associated noise are given, which agree well with experiments. The existance of non-harmonic components in screech is explained. Interference effect seems to exist in the upstream direction between shock associated noise and turbulent noise, but not in the 90°direction. This phenomenon is explained by considering the phase relations of the noise.

冲击噪声是阻塞喷注噪声的重要部份。我们对它的声场和频谱作了详细的实验测量,由于采用外差分析技术,冲击噪声的离散谱和宽带谱可同时记录。实验表明,声场和频谱与驻压比的关系很复杂,但在与喷注垂直的方向上,距喷口1米处的总声压级,如驻压比在3到8.5之间,约为97+20logd分贝,基本不受驻压变化的影响,其中d是喷口直径,以毫米计。进一步又给出了全部驻压比范围内的总声压级的表达式。宽带谱在驻压比为2.5到7之间,离散谱在5到7之间最突出,驻压比小于2或大于8.5,阻塞喷注噪声则主要是湍流噪声。本文还给出了计算离散谱频率和宽带谱峰频的新公式;对实验中观察到的离散谱的非谐频成份,也作了解释。在喷注上游方向,观察到阻塞喷注噪声频谱具有一个或几个凹陷部份,表明在这些频率范围存在干涉现象,可能是湍流噪声与宽带冲击噪声之间的干涉现象,文中说明了这种干涉的可能性。

In this paper an adaptive flight control system for the longitudinal axis based on energy balance theory is described. A practical improved scheme and design details are presented, and preliminary evaluation from simulation and flight tests is made. The system exhibits better convergence in adjusting parameters and better performance of following up without testing signal. The system's architecture is simple and practicable. Selection of the scheme, design analysis, and brief results of the flight test for the...

In this paper an adaptive flight control system for the longitudinal axis based on energy balance theory is described. A practical improved scheme and design details are presented, and preliminary evaluation from simulation and flight tests is made. The system exhibits better convergence in adjusting parameters and better performance of following up without testing signal. The system's architecture is simple and practicable. Selection of the scheme, design analysis, and brief results of the flight test for the open loop system, especially convergence of adjusting parameters and how to improve the effect of the input signal types are discussed.

自适应控制理论在飞机飞行控制方面的应用,国内外已有多年的研究历史,然而达到实用要求的方案为数极少。根据国内飞机飞行控制的发展需要,对能量平衡式方案进行了求实的研究,提出了实用的改进方案。通过试验和原理试飞初步证明,本方案无需试验讯号、结构简单、具有较好的调参收敛性以及基本不受输入讯号形式的影响,应用希望较大。本文扼要介绍了方案选择、设计分析,研制试验以及原理开环试飞的主要结果。重点分析了设计原理。

 
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