等径的

Based on the characterizations such as SEM、EDS、TG-DTA、FTIR、DRS、XRD、XPS、Zeta potential and Particle size analysis, The effect of preparation conditions including washing and calcining temperature on the photocatalytic activity of N-doped photocatalysists was discussed through the photodegradation of styphnic acid (2,4,6-Trintroresorcinol).

对改性后的催化剂进行了SEM、EDS、TG-DTA、FTIR、DRS、XRD、XPS、Zeta电位测定及粒度测定等表征，研究改性催化剂的微观形貌、元素组成、化学结构、热稳定性、吸光范围、晶型、表面电荷以及在水中的粒径分布。

The composition and distribution of lichens were influenced by the aspects of the trucks, host trees and their sizes. Richer number and amounts of lichens are found on southern aspect of trunks. Vaccinium duclouxii was the host tree with the richest epiphytic lichens in the forests in the area . Most epiphytic lichens occurred on medium stems of DBH 5.0–25.0 cm.

树干方位、宿主种类和宿主径级等都对附生地衣的物种组成和多样性有着重要影响，附生地衣更多地出现于树干南向方位，云南越桔的附生地衣最为丰富，胸径5.0–25.0 cm 的树木上附生地衣较多。

The inclined capacity of BHA is analyzed, which is affected by various parameters. It is shown that the lateral force of drill bit and inclined capacity of BHA have something to do with the parameters(the distance between drill bit and the first stabilizer, outside diameter of the first stabilizer, WOB etc).

分析影响常用钻具井斜性能的因素，得到了近钻头稳定器与钻头间距变化、稳定器工作外径变化、钻压变化等能够改变钻具井斜性能；同时以一组双稳定器钻具组合为例，分析钻具节点的位移变化图、弯矩图和应力分布图可得出钻具上的受力变形情况。

Then after analysising each characteristics of phosphate glass material, the fiber rod-in-tube by invaginating core rod, inside cladding and outside cladding is used to fabricate the Er/Yb phosphate glass fiber successfully by polishing and vacuumizing fiber rod-in-tube.

利用玻璃浇注方法得到增益玻璃芯棒，然后对芯棒进行抛光处理，并且采用芯棒、内包层玻璃管和外包层玻璃管套接的方法制作光纤预制棒，将制作的预制棒进行了粘度等测试，并抽真空加热到一定温度条件下成功地拉制出芯径5μm，外包层65μm的单模铒镱共掺磷酸盐增益介质玻璃光纤。

In the process for producing ammonium molybdate on particle size, bulk density, crystal shape and structureal components of ammonium molybdate.

研究了钼酸铵生产中的原始溶液密度、搅拌转数、反应温度、终点 p H值等因素对钼酸铵产品的粒径、松装密度、晶体形貌和结构成分的影响，选择了最佳工艺条件，介绍了实践情况。

In this article,microparticle ball mill is used as grinder equipment,which produced nanoparticles of active carbon( 1 OOnm in diameter). Furthermore ,the technology of preparation,physicochemical properties,the stability of prepared suspensions and preliminary clinical application are also studied in detail.

本文以微粒球磨机为粉碎器械，加工制备了粒径达100nm左右的纳米炭微粒，并对其制备工艺、理化性质和制成混悬液后的稳定性及其初步临床应用等进行了较为详尽的研究。

The results of analysis and test indicate these method, such as decreasing the size of raw material and using advanced ball grinder to improve the uniformity of the distribution of the materials in the slurry, adjusting the spray granulator to improve the characteristics of tablets, adjusting the sintering temperature curve to improve the uniformity of sintering reaction on different part of ZnO nonlinear resistor, and so on, can improve the surge energy absorption capability.

生产中应尽量减小电阻片缺陷范围；适当减小原料颗粒粒径、采用更先进的搅拌球磨设备和高效的分散剂均能提高原料混合的均匀性，调整优化造粒机控制参数提高造粒质量，优化烧结温度提高反应均匀性等措施，能够大大提高电阻片通流容量。

The peroxide precursor of barium titanate and barium titanate nanopowder prepared were characterized to be BaTi(H2O2)2O3 by TGA-DTA, XRD, TEM, SEM, and XREDS.

借助TGA-DTA、XRD、TEM、SEM等分析测试手段，证实所制得的钛酸钡过氧化物前驱体为BaTi(H2O2)2O3，其煅烧产物纳米钛酸钡粉体的粒径在20～40nm，探讨并提出了过氧化物前驱体热分解法制备纳米钛酸钡的反应机理。

At the same time, the program corresponding to the proposed method is compiled in FORTRAN90, which is used to analyze the influence of several factors on the behaviour of barrettes, including ratio of length to width, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, Poissons ratio, pile soacing etc. Many useful conclusions are obtained from the above analyse.

该方法考虑了壁板桩桩身横截面的非轴对称性，并用FORTRAN语言编制了相应的程序，进而分析了多种因素对壁板桩承载特性的影响，包括长宽比、桩径比、桩土刚度比、泊松比、桩间距等。

The maximum entropy principle is utilized to calculate the probability of stochastic rays undergoing k reflections.Finally,the applications of stochastic rays are investigated: the...

最后介绍使用随机射线建模超宽带室内信道的多径传播轨，在此基础上可以得到信道特性建模的基本随机变量，以及无线电波传播的概率模型等应用。

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。