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A process taking place at constant temperature is said to be isothermal.

温度恒定时发生的过程叫做等温过程。

Thus you might have a drawing for "constant volume air terminal unit with reheat control diagram".

因此,您可能需要提取的"恒定体积空气终端设备与热控制图"。

Melt aluminous park constant inside the mouth electric induction furnace of high temperature.

将熔融铝置于一个恒定高温的开口感应电炉内。

Where ω is the constant angular velocity of rotation of our platform.

其中,ω是我们转台的恒定角速度。

The most striking feature of this machine is the realization of the space saddle-type welding seam welding control system by using the interpolation arithmetic, which can replace the method of mechanical differential outfit simulated space curve movement, guarantee the stability of the welding line, and make the track of the welding blowpipe more accurate and the mechanical structure simpler.

本机最大特点在于用运动控制方式,利用插补运算方法实现空间马鞍型焊缝的焊接控制系统,保证焊接线速度恒定,取代用机械差动机构模拟实现空间曲线运动方法,使得焊枪运动轨迹更加准确,机械结构变得简单。

According to the hydraulic property of overflow weirs under steady flow, the flow patterns of overflow weirs were classified into free overfall and submerged overfall, and numerical models for unsteady flow were established to simulate the two flow patterns respectively.

摘要为了对保水堰的交替水流进行数值模拟,依据保水堰恒定流情况下的工作特性,将保水堰的水流形态分成堰流和满流两种状态,分别建立保水堰不同流态下的非恒定流数学模型。

The constant nutritional arteries of the great saphenous vein-saphenous nerve on the medial foot: Perforator at medial side of the tendon of the tibialis anterior ,it is (2.27±0.43)cm distal to the intermalleolar line .it passes across the medial side of the tendon of the tibialis anterior and pierces the deep fascia between the upper and lower bundle of the inferior extensor retinaculum with a diameter of (0.72±0.04)mm;The length of it after piercing the deep fascia is (7.3±0.6)mm,It has an emerging rate of 95%; Perforator between tendons ,it is (3.02±0.39)cm distal to the intermalleolar line;it pierces the deep fascia between the tendons of tibialis anterior and extensor digitorum longus with a diameter of (0.57±0.06)mm ;The length of it after piercing the deep fascia is (7.4±0.6)mm .It has an emerging rate of 94%; A constant distal fascial perforator pierces the deep fascia between abductor hallucis muscle and medial side of first metatarsal bone (1.97±0.23)mm distal to the first metatarsophalangeal joint with a diameter of (0.50±0.03)mm.

足内侧大隐静脉-隐神经营养血管近端来自内踝前动脉较为恒定,外径较大的穿支有:踝间线远端(2.27±0.43)cm,经胫骨前肌腱内侧、伸肌下支持带上、下束间穿出,外径(0.72±0.04)mm ,穿出深筋膜的长度为(7.3±0.6)mm,出现率为95%;踝间线远端(3.02±0.39)cm,经胫骨前肌腱与趾伸肌腱穿出,外径(0.57±0.06)mm,穿出深筋膜的长度为(7.4±1.2)mm ,出现率为94%;3远端来自交通支最为恒定,外径较大的穿支于踇展肌与第一跖骨内侧缘之间穿出深筋膜,距第一跖趾并节近端(1.97±0.23)cm,直径(0.50±0.03)mm,穿出深筋膜的长度为(6.5±0.5)mm,出现率为100%。

In this paper, the generator model of constant transient voltage and the invariableness impedance model was used, and the saliency of generator is included; through the analysis of the characteristic of the network equation calculation in the transient stability analysis, a new node ordering algorithm is proposed. Better initial value can accelerate the convergence rate of the networking equations, reduce the number of iterations, thus to cut down the amount of calculating time.

本文首先建立了适合于暂态稳定分析的简单模型,其中发电机采用E_q恒定模型,考虑了发电机的暂态凸极效应,负荷采用恒定阻抗模型;研究了电力系统的暂态稳定分析方法,指出目前数值积分暂态稳定计算方法中存在的不足,主要是网络方程的求解速度过慢;分析了暂态稳定计算中网络方程的特点,将稀疏技术应用于网络方程的求解,提出了一种新的节点编号方法——最小度最小有源节点道路集算法,减少了网络方程的计算量;在进行交替迭代求解时,将预测算法应用于每一积分步网络方程功角和电压的初值估计当中,应用自回归算法和广义延拓算法,期望给出一个更有效的电压和功角初值方案,来加快方程的收敛过程,减少方程迭代的次数,以提高计算速度。

The result showed that the influence of temperature and RH on average price and rate of first class of flue-cured tobacco was similar, which showed a trend of parabola curve with temperature or RH increasing. The maximum value of average price occur at 38.0℃ and 87.0%, the maximum value of the rate of first class occur at 37.6℃ and 86.5%. The result also showed that when the temperature or RH was in the range of 37.5℃ to 38.0℃ or 85.0% to 88.0%, psychrometric difference was 1.5~2.0℃, the average price and rate of first class would exceed 10 yuan per kg and 40% respectively.

结果表明:变黄阶段不同温湿度组合对均价及上等烟率的影响基本相似,温度对二者的影响大于相对湿度;均价及上等烟率随温度或相对湿度的升高而均呈迅速上升→缓慢上升→缓慢下降→迅速下降的变化趋势,均价的峰值分别出现在38.0℃和87.0%,上等烟率的峰值分别出现在37.6℃和86.5%;此外研究结果还得出:当温度恒定在37.5℃~ 38.0℃,相对湿度恒定在85.0%~ 88.0%,干湿球差为1.5℃~ 2.0℃时,均价、上等烟率分别可达到10元/kg和40%以上。

BCBBs are designed for not only symmetric linear arrays but also asymmetric linear arrays, are arrays and circle arrays. The BCBBs designed are tested by LFM signals, and the results show that the BCBBs achieve good quality. The word length of the filter efficients are studied from the view of engineering implementation. It is shown that using 8 bits can satisfy the requirement. Multi-beam BCBBs with 2 degree beamwidth in two octave and 1/3 octave frequency band are designed and tested for a specified array.

设计好的宽带恒定束宽波束形成器用线性调频信号进行了检验,证明了其正确性;从工程实际的角度出发,研究了滤波器系数字长对系统性能的影响,研究表明采用8位的滤波器可以满足要求;结合实际课题,在深入分析阵形结构特征的基础上,分别设计了倍频程和1/3倍频程多波束宽带恒定束宽波束形成器,并通过线性调频信号进行了验证,为其工程实现打下了良好的基础。

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