等径的

The comparison is made on the spectrum and anti-noise performance between π/4-DQPSK and QPSK under the the same channel.

4_DQPSK作为新制定的美国数字移动蜂窝通信系统的调制方式，以其高效的频谱利用率和抗衰落、抗多径效应等优点在现代通信领域具有广阔的发展前景。

The results show that the dispersity of emulsion is good and the average diameter of particles is about 15 nm. Its bactericidal properties to some bacteria and epiphytes are strong under daylight lamp irradiation. The killing rate to Gram negative bacterium (Staphylococcus aureus and Bacillus subtilis) is 100%, in addition, killing activity of it to Gram positive bacterium is very high. It has a clear antibacterial circle of about 20 mm in diameter toward epiphytes such as Aspergillus niger, Aspergillus flavus and Candida albicans etc.

结果表明，混晶乳液分散性好，粒径约15nm；在普通日光灯照射下，乳液对一些细菌和真菌有很好的抗菌性能：对革兰氏阳性菌（金黄葡萄球菌和枯草芽孢杆菌）的杀灭率达到100%，对革兰氏阴性菌也有很好的杀灭性能，对黑曲霉、黄曲霉和白色念珠菌等真菌产生清晰的抑菌圈，抑菌直径约20mm。

The large variety in Fl hybrid occured.The phenomena that overparent individuals of some characters in lower color.plant height,flower diameter and flower doubleness emerging are beneficial to the choice of chrysanthemum breeding.

杂交后代的性状出现了广泛的分离，花色、株高、花径、重瓣性等性状都有超亲遗传的现象，有利于菊花育种的选择。

By investigating the effect of all the factors, including particle size, density, elastic deformation coefficient, Hamaker constant, surface energy, yield limit and relative velocity, on the particle behavior in the process of collision, the rule of collision and agglomeration with the change of these factors is obtained in detail.

为考察包括颗粒的粒径、密度、弹性变形系数、Hamaker常数、表面能、屈服极限和碰撞初速度等众多因素对碰撞规律和团聚趋势的影响，本文采用"数值实验"方法，获得了碰撞力与范德华力的相互关系、碰撞弹性回复系数和团聚趋势随各参数的变化规律。

A mathematical model of heat transfer in batch type radiant-tube enameling furnace is established by imagine plane method and the calculation is made.

利用假想平面法建立了室式辐射管搪烧炉传热数学模型，并进行了仿真计算，结果表明，假想平面法能够大大简化室式辐射管搪烧炉内大量的角系数的计算，并可对炉子的有关参数(如辐射管的距径比、布置、炉墙结构等)进行优化计算。

In the short wave Ionized layer reflection channel, the tropospheric scatter channel, and the moves channel, the clear channel and so on in the actual channel, because of the cloud layer%26rsquo;s, the sierra%26rsquo;s and numbers of high-rise construction%26rsquo;s influence in the city, it can produce the multi- diameters fading, causes the serious mark disturbance, and will limit the speed of the intelligence transmission.

在短波电离层反射信道、对流层散射信道、移动信道、广播信道等实际信道中，由于云层、山脉和城市中林立的高层建筑的影响，会产生多径衰落现象，引起严重的符号干扰，限制了信息传输速率的提高。

These parameters include super fine powder additives ,cement sort,cement mark,water binder ratio,variety and mixt.

文章在分析讨论了超细掺合料、水泥品种、标号及水胶比，超塑化剂的种类及掺量，胶结材用量，粗骨料的强度及粒径大小等配比参数对超高强高性能混凝土工作性及强度的影响后，指出了配制这种混凝土的技术途径。

The contrast experimental analyses on the spray voltage, pinhead size and other influential factors are carried out.

在初步试验的基础上，利用正交试验的方法考察了海藻酸钠，羧甲基纤维素钠以及氯化钙的浓度对成囊过程中微胶囊膜厚，粒径等的影响。

The research in this dissertation has found a new approach for the ESP study, especially for the research on the precipitability of fly ashes. The results of the research not only give a guidelines for the study and design of fly ash ESP, but also have important theoretical and practical significance in the evaluation of the measurments of fly ash resistivity and particle size distribution and in the research on ESP electrode contigurations and geometries and flue gas conditions.

其结果不仅对燃煤飞灰电除尘器的研究和设计工作有较大的指导意义，而且在飞灰比电阻和粒径分布测试技术的评价、电除尘器板线配置和烟气调质的研究等方面都有重要的理论意义和实用价值。

Our company specializes in the production and sale of savings Orifice, nozzle length, the standard nozzle, three curves of the wings, wind measuring devices Venturi, V-cone flowmeter, vortex flowmeter, metal tube rotameter, electromagnetic flowmeter , 1151.3351 differential pressure transmitter, pressure transmitter, multi-channel pressure measurement device, purge devices, anti-samplers, Rosemount transmitter, EJA transmitter and other products the company spirit of "good faith User envisaged "business philosophy, we are bound to quality products, low prices, first-class services to meet your requirements Let us work together hand in hand and a better future. www.wxhtyb.com contact: Shen Yong-gang Mobile: 13921233600 Tel :0510-86023630QQ:

我公司专业生产和销售节流孔板，长径喷嘴，标准喷嘴，三曲线机翼，测风装置文丘里管，V型锥流量计，涡街流量计，金属管转子流量计，电磁流量计，1151.3351差压变送器，压力变送器，多路风压测量装置，吹扫装置，防堵取样器，罗斯蒙特变送器，EJA变送器等产品公司本着"真诚地为用户设想"的经营理念，我们必将优良产品，低廉的价格，一流的服务来满足您的要求让我们一起携手并进，共创美好未来。www.wxhtyb.com联系人：沈勇刚手机：13921233600电话：0510-86023630QQ：

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。