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phase wave
相关语句
  相波
     DE BROGLIE AND THE BIRTH OF HIS PHASE WAVE
     德布罗意和相波的诞生
短句来源
  相位波
     We came to the conclusion that, under certain conditions, the near-by critical state of unstirred BZ reaction system may exhibit a stable wave group, or, a wave packet. . The trigger wave is a wave packet in the homogeneous system and the phase wave is a wave packet in the inhomogeneous one with a slight gradient.
     本文的结论是,在一定条件下,不搅拌的B-Z反应体系能在临界状态附近呈现稳定的波群或者波包,触发波是均匀体系中的波包,相位波是有微小梯度的非均匀体系中的波包。
短句来源
  “phase wave”译为未确定词的双语例句
     The content of Hesperidin in Shunqihuatan capsule was determined by using high performance liquid chromatography (HPLC) (a C 18 column, athetonitrile wate phosphoric acid 210∶790∶0.1 as the mobile phase, wave langth of detection 283 nm).
     采用高效液相色谱 (HPL C)法 ,以十八烷基硅烷键合硅胶为填充剂 ,乙腈 -水 -磷酸 (2 10∶ 790∶ 0 .1)为流动相 ,检测波长 2 83nm,测定制剂中橙皮苷的含量。
短句来源
     The analysis of the yellow crystal by HPLC showed the best conditions for the isolation of its antibacterial substance were mobile phase,wave length 200 nm,acetonitrile(600 g/L). In the peak aera,the content of antibacterial substance was 961.1 g/L.
     此结晶用HPLC分析得到分离抑细菌物质的最佳条件为流动相:乙腈溶液600 g/L,检测波长200nm,从HPLC图谱峰面积来看有效物质含量达到961.1 g/L。
短句来源
     RESEARCH ON OUTPUT SIGNAL'S PHASE WAVE FROM ECL DIGITAL FREQUEACY DIVIDER
     射极耦合型数字分频器输出信号的相位波动研究
短句来源
     Based on two drill holes with known geological conditions and adopting relative phase wave,the authors obtained two diametrically different types of IP relative phase sounding curves for orebodies and carbonaceous beds respectively,which can be used to distinguish anomalies of different properties and determine spatial positions.
     根据矿山提供的两个已知地质条件的钻孔 ,采用激电组合波相对相位测深法获得了在矿体上和炭质层上两种完全不同类型的激电相对相位测深曲线 ,不仅可以区分异常性质 ,而且可以空间定位
短句来源
  相似匹配句对
     latent phase of H-reflex and F-wave prolonged.
     F波、H波潜伏期延长。
短句来源
     PHASE LOCKING OF MILLIMETER WAVE VIRCATORS
     毫米波虚阴极器件的锁相
短句来源
     r and the wave potential (?) .
     _r和波动势(?)
短句来源
     On Wave Picture
     波的图像所反映出的一系列问题
短句来源
     water phase.
     以水为反应介质.
短句来源
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  phase wave
Nonlinear vector field having an exact particle-like solution with finite energy and phase wave
      
Disturbances created by the 'objects' generate diffusive and phase wave fronts.
      
This suggests a particle-wave steering mechanism, with an exchange of momentum between the electron and its de Broglie phase wave.
      
We rectify this situation and point out some of the curiosities associated with the direction of the 'slow' ray relative to the direction of the 'slow' phase wave.
      
This same PSR calculation also demonstrates that 1) the phase wave is accurately planar, and 2) the quanta of the phase wave are tachyons.
      
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On the basis of the Oregonator model, we took the rate constant k6, the stoichio-metric coefficient f and the wave number k as the parameters to study the stability of the BZ reaction system. The expressions of the following physical quantities were obtained, they included: the critical rate constant k6c of the space periodic structure, its short-wavelength critical wave number ksc and long-wavelength critical wave number kLc; the critical rate constant k 6c of time-space periodic structure and its critical...

On the basis of the Oregonator model, we took the rate constant k6, the stoichio-metric coefficient f and the wave number k as the parameters to study the stability of the BZ reaction system. The expressions of the following physical quantities were obtained, they included: the critical rate constant k6c of the space periodic structure, its short-wavelength critical wave number ksc and long-wavelength critical wave number kLc; the critical rate constant k 6c of time-space periodic structure and its critical wave number kc (kc = kLc ). Then we worked out the critical frequency λc of BZ reaction system and analyzed the near-by critical state behavior of the system, whereby we obtained the trigger wave velocity ur and phave wave velocity up. We came to the conclusion that, under certain conditions, the near-by critical state of unstirred BZ reaction system may exhibit a stable wave group, or, a wave packet.. The trigger wave is a wave packet in the homogeneous system and the phase wave is a wave packet in the inhomogeneous one with a slight gradient. We have got that (uT=2ηDkc, where D is the diffusion coefficient of HBr02,η changes slowly with [H+] (to the extent of experimental observation, η≈ 0.1), and UP = v, where v is the phase velocity.

我们在Oregonator模型的基础上,取速率常数k_6、理想配比系数f及波数k为参变量,首先讨论了B-Z反应体系的稳定性,并得到了下列各量的表达式:空间周期结构的临界速率常数k_6~c、短波临界波数k_s~c与长波临界波数k_L~c,时空周期结构的临界速率常数k_6~c及临界波数k_c等。而后,我们给出了B-Z反应体系的临界频率λ_c,讨论了体系在临界状态附近的行为, 并得到了触发波速度u_T及相位波速度u_P的表达式。本文的结论是,在一定条件下,不搅拌的B-Z反应体系能在临界状态附近呈现稳定的波群或者波包,触发波是均匀体系中的波包,相位波是有微小梯度的非均匀体系中的波包。u_T=2ηDk_c,D为HBrO_2的扩散系数,η为[H~+]的缓变函数(在实验观测范围内,η≈0.1);u_P=v,v为相速度。

A study of the trigeminal potentials evoked by stimulating the maxillary gumelectrically was carried out on 102 subjets,of whom 32 being further stimulatedmechanically.A typical 3-phase wave complex derived from ipsilateral or contrala-teral scalp at C_3/C_4(10/20 system)was recorded after applying either electrical ormechanical stimulus.Statistical analysis showed that there was a linear correlationof wave latencies(except N_(20))between the evoked potentials resulted from bothstimuli.Also,the wave...

A study of the trigeminal potentials evoked by stimulating the maxillary gumelectrically was carried out on 102 subjets,of whom 32 being further stimulatedmechanically.A typical 3-phase wave complex derived from ipsilateral or contrala-teral scalp at C_3/C_4(10/20 system)was recorded after applying either electrical ormechanical stimulus.Statistical analysis showed that there was a linear correlationof wave latencies(except N_(20))between the evoked potentials resulted from bothstimuli.Also,the wave forms of the potentials,characterized by short latency andhigh amplitude,were quite similar.The TEP difference caused by electrical stimulibetween male and female was quite obvious,but it was not evident among differentage-groups.Thus,it may be concluded that the application of mechanical stimula-tion not only identifies the reliability of the trigeminal potentials evoked by elec-tric current,but it may also infer that the trigeminal evoked potentials,reflectingthe electrical actions of the deep facial sensory pathway,exist simultaneously inboth ipsilateral and contralateral afferent systems.

对102名受试者采用电流刺激牙龈的方法,记录三骇叉神经诱发电位,其中32名采用机械和电流两种刺激,二种方法均可在同侧、对侧头皮 C_3′/C_4′(10/20系统)记录到一个三相复合波。两侧比较,对侧潜伏期短,波幅高。统计结果表明,两种方法所诱发的颅表电位(除波 N_20外)各波潜伏期呈直线相关,电流刺激三叉神经诱发电位在不同年龄组间无明显差别。结果提示,机械刺激法不仅印证了电流刺激三叉神经诱发电位,而且进一步证明三叉神经诱发电位是面部深感觉通路的电活动,并存在同侧、对侧两条传导途经。

ARMA spectrum analysis is fapplied to the studies of electrocardiogram (ECG) of grasshoppers for the airst time, which will provide a new method for improving the accuracy of nimal taxonomy. In, recent two years, more than seventy species grasshopper ECG are recorded through XDH-3 and model EGG-6511(made in Japan) electrocardiograph on the outdoor spot, and 34 species of them are discussed in this paper. The method of recording insect EGG is introduced, and it approves that the use of human limb leads and needle-form...

ARMA spectrum analysis is fapplied to the studies of electrocardiogram (ECG) of grasshoppers for the airst time, which will provide a new method for improving the accuracy of nimal taxonomy. In, recent two years, more than seventy species grasshopper ECG are recorded through XDH-3 and model EGG-6511(made in Japan) electrocardiograph on the outdoor spot, and 34 species of them are discussed in this paper. The method of recording insect EGG is introduced, and it approves that the use of human limb leads and needle-form electrode is reasonable and of practical use. All these grasshopper ECG are sumed up to seven types. They are: lower amplitude-higher frequency-fast wave type, lower amplitude-lower frequency-slow wave type, higher amplitude-lwer frequency-complex wave type, fast and slow wave mices wave type, higher and lower amolitude wave alternately vibrating wave type, rhythmical two-phase wave type and rpythmical higher amplitude complex wave type. The former 4 types are more common. It is found that the insect ECG signal generally is weaker, the amplitude only about 0.7 -2.0mV, the average heart rate 30-300 every minute. According to EGG observation the grasshopper's heart probablely is belong to a kind of nerve-source-type heart, for nerve's rhythmical charge often appears alternating with common ECG signal. Therefore, this is merely a conjecture,which will be confirmed by further studies in future. The terminal result shows that ARMA spectrum, as a kind of mathmatical model, eanreflect the innate physiological nature of lower kind animals' ECG, such as grasshoppers', more ideally than ECG itself, since the insect ECG is so liable to be influenced by more other facters as temprature, illumination, physiological star, and sudden move of body etc. For different species, no matter with considerbally different or same ECG type, thire ARMA spectrum chart may be similar or completly different. This is totally decided by thire similar degree in all respects.

介绍了蝗虫心电图的测试方法,并证实了使用人类肢体导联和自制的针形电极的合理性和可靠性。文章将蝗虫心电图归为7种类型,并发现蝗虫心电信号一般较微弱,振幅仅约0.7~2.0mV,平均心率为30~300次/min。研究结果表明,ARMA谱作为一种数学模型,比心电图本身更能反映低等动动心电图的内在生理特征,完全适用于昆虫心电图分析。

 
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