当环数增加时,过渡带衰减速度变快,通带形状更接近方形。
And a square passband shape was achieved for the larger ring number and the faster transition attenuation.
满足夫琅和费远场条件的两个物体,z值大的物体将被环数少的菲涅耳波带板扫描,具有小而平直的孪生像噪声振幅;
In the far-field, the further object scanned by FZP with fewer fringes has flatter and lower amplitude of twin-image noise for reconstructed image.
尽管凯斯·希勒全国房价指数及十大城市综合指数与去年相比有所上扬,但是截止到三月末的连续三个月这一指数环比连续下挫。
Although both the Case-Shiller national and ten-city indices are up year-on-year, the national index fell during the three months to the end of March.
4月26日,星期二,晚上,海豹小组在距DamNeck数英里外的海军航空站oceana登上了一架波音c - 17环球霸王运输机。
On the night of Tuesday April 26th the SEAL team boarded a Boeing C-17 Globemaster at Naval Air Station Oceana a few miles from Dam Neck.
证明了任一环有代数封闭的扩张环,且实封闭域上的四元数体是代数封闭的,给出了代数封闭环的若干性质。
The two theorems are proved that any ring can be extended into an algebraically closed ring and that the quaternionic skew field over a real closed field is algebraically closed.
分析了叶片数、叶片局部加厚、上冠下环厚度等因素对转轮强度性能的影响。
The factors of effecting runner intensity performance such as the blades number, local thickness of crown and band are analyzed.
他同样用绕有许多圈数金属丝的环型或圈状物做了一个简单的接收器,在这个(开口)环形的末端是以微小间距隔开的小金属片。
He also built a simple receiver made of wire that was turned many times in a circle or looped. At the ends of the loop were small pieces of metal separated by a tiny amount of space.
在单元数足够多时,环簇式塞式喷管可比相同面积比的钟形喷管的尺寸更小,重量更轻,推力效率更高;
When numbers of the inner nozzle are enough, plug nozzle has less size, less weight and higher thrust efficiency than the bell nozzle under same area ratio.
对比了不同边界模型、深度和瑞利数时的环型场的变化特征。
The features of toroidal field are studied for different boundary conditions, Rayleigh Numbers and depths.
利用数域上一元多项式环与整数环相似的性质,建立数域上一元多项式环中的孙子定理,并给出它的简单应用。
Using the similarity between polynomial ring and integer ring the paper establishes Sunse's Theorem in the polynomial ring in number field, and offers its brief learning and practice.
利用该算法,可以在满足每个连接可靠性要求的同时,使整个环网所需的波长里程数最小。
This algorithm can minimize the ring total wavelength mileage, while guaranteeing the required reliability degree of each connection.
为了获得稳定的谐波锁模脉冲,分析了有理数谐波锁模的理论和非线性放大环镜的传输特性。
To achieve a steady harmonic mode-locked pulse (HMLP), the theory of rational harmonic mode-locking and the transmission characteristics of a nonlinear amplifying loop mirror were analyzed.
提出了一种多项式泛函网络运算新模型,来求解任意数域或环上多项式运算问题。
The new computing model of polynomial functional network is firstly proposed and the solving polynomials computing problem in arbitrary coefficients fields or ring is discussed.
卟啉的平均分子结构简式衡量其取代基的组成,尤其对地质体中相同碳数的卟啉“ 混合物” 大环外取代基的构成十分有效。
The average condensed formula of molecular structure is effective to derive the composition of the peripheral substituents of porphyrins, especially geoporphyrins with identical carbon numbers.
考虑环柄对循环图交叉数的影响,并且给出了循环图交叉数的上界。
This paper considers the handle affecting the crossing number of circular graphs and gives upper bounds for its crossing numbers.
方法:本实验采用环磷酰胺所致白细胞减少的小白鼠动物模型,研究海洋生物多糖FW-1对模型小鼠外周血白细胞数,骨髓有核细胞数,免疫器官重量等指标的药理作用。
Results FW-1 could obviously increase the quantity of peripheral leukocytes of mice induced by CTX, so do the quantity of bone marrow cells and the weight of splenic organ and thymus.
研究了用含稀土量不同的球化剂生产单体铸造球铁活塞环时,稀土时石墨球数、石墨球径、碳化物数量的影响;
Effect of RE on nodule number, nodule diameter and carbide quantity is studied with nodulizers of different RE contents.
利用带有不同拓扑荷数的两束涡旋光束进行共轴叠加,产生了一种新型光束双涡旋光束,其光强分布为双环结构。
A new type of the double-vortex beam is generated by the coaxial superposition of vortex beams with two different topological charges, whose intensity distribution is double-ring.
一对对称的斜激波发生在具有最大马赫数的马赫环的倾斜面上。
A pair of symmetrical oblique shock waves takes place on the inclined surfaces of the smallest Mach number ring with maximum Mach Numbers.
生血颗粒可增加环磷酰胺所致血虚小鼠的血小板数、骨髓有核细胞数、胸腺指数和脾脏指数。
RESULTS Shengxue granules could increase RBC S, the quality of hemoglobin and index of thymus gland and spleen of the blood-deficient model mice induced by exsanguinations;
本文刻划了PS-环与非奇异环的差距,给出了一个计算同调维数的公式。
Abstract In this paper, we investigate the difference between PS-ring and nonsingular ring, and obtain a formula of the homological dimensions.
本文刻划了PS-环与非奇异环的差距,给出了一个计算同调维数的公式。
Abstract In this paper, we investigate the difference between PS-ring and nonsingular ring, and obtain a formula of the homological dimensions.
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