查询词典 initial phase

The results show that the initial phase is non-homogeneous reaction,solid-liquid mass transfer coefficient is the main factor on the reaction rate,N-methyl-2-pyrrolidone can accelerate the dissolution of polyester film and prompte the alcoholysis reaction into homogeneous process.

结果表明，反应初始阶段为非均相阶段，固-液间传质系数是影响反应速率的主要因素，加入NMP可以加速PET的溶解，促使醇解反应快速进入均相阶段。

By using this method, the angular frequency, amplitude, initial phase angle, decay constant of each component in transient voltage and/or current waveforms can be precisely extracted. Also, all other kinds of transient procedure can be analyzed by this method. Thirdly, a new definition of generalized instantaneous reactive power and generalized instantaneous reactive current in dq0 coordinates under any nonsinusoidal and unbalanced three-phase circuit is proposed for the first time. The detection and compensation method for different instantaneous reactive currents are also concerned.

本文首先提出了用于快速高精度频谱分析的一种改进快速傅立叶变换方法，该法具有速度快、精度高、抗混迭、不受采样定理约束、可以分析出谐次大于N／2的频谱系数等特点，可方便地应用于电力系统谐波分析及其它各类频谱分析；然后提出了基于非线性最小二乘优化法的电力系统暂态波形分析方法，可准确求出电力系统暂态电压、电流波形中各个分量的角频率、幅值、初相角及衰减常数，并可广泛应用于各类暂态过程波形分析。

A fast and accurate estimation technique of initial phase of single-tone signal based on the phase of discrete Fourier transforms spectrum was proposed.

提出一种基于DFT频谱相位信息的正弦波初相高精度估计方法。

He adds,"We're kind of leaving that initial phase now and moving to a more open phase."

他还说："我们现在正在走出前一个阶段，进入一个更开放的阶段。"

Paradise fish has regular and ritual process of agonistic interaction which can be separated into three phases, namely, initial phase, threatening phase, and fighting phase. In initial phase, two fish encounter and swim close to each other. In threatening phase, two fish display shaking, head-tail swimming to threat their opponent.

目前已知敌对行为牵涉到中枢神经系统的调控，尤以中枢神经系统中的血清张力素神经元被许多研究学者指出是与敌对行为调控相关，但尚未确定血清张力素神经元在动物进行敌对行为过程中是如何的参与其中调控。

The key problems of software radio and direct sequence spread spectrum range used in high range radio fuze are discussed. The effects of doppler frequency and carrier's initial random phase are analyzed. A new direct sequence spread spectrum algorithm based on software radio is proposed, by using differential encoding and quadrature demodulating, the effects of doppler frequency and carrier's initial phase on the output of inference filter are eliminated successfully.

研究了软件无线电和直接扩频测距技术在大炸高无线电引信应用中的关键技术问题，分析了由于多普勒效应引起的载波频偏以及载波随机相位对测距的影响，提出了一种基于软件无线电的直接序列扩频解调算法，通过采用差分编码和正交解调的方法，消除了多普勒频偏和载波随机相位对测距的影响。

The initial phase relative stability of signal is very important to digital phase range finder.

在相位激光测距仪中，信号初始相位的相对稳定性对测距仪的测量精度非常重要。

The available power with NCl(a1Δ) self-quenching is much less than that obtained without NCl(a1Δ) self-annihilation at small initial density of HI but has little difference at large initial density of HI.

标 签 激光物理 NCl(a1Δ)自猝灭数值模拟计算功率提取全气相碘激光 laser physics NCl(a1Δ) self-quenching numerical simulation power extraction all-gas phase iodine laser

Initial phase compensation is also proposed for correct the initial phase and reduces the PLL lock time.

本文也提出了初始相差补偿的方法来减少PLL锁定时间。

China accounting bookkeeping has gone through the initial phase, primitive phase (including single-entry and double-entry orderly in time),recent phase (i.e.phase in which bookkeeping-method of China style was reformed) and modern phase.

840年鸦片战争后新的环境使中国会计记账思想经历了一次磨难，曾一度被人轻视，改良中式簿记法的推行者们使之获得新生，形成了与西式簿记并存的近代阶段；新中国成立后，中国会计记账思想在与借贷记账的冲撞和交流中，逐渐与之接近乃至融合，最终完成了中国会计记账思想向现代化的转化。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。