石英

Through the geological work of Baxiannao area,we find that the area contains fracture zone compound type of quartz vein,the belt type of rock in thin vein,the belt type of greisen quartz in thin vein and some other kinds of the same stuff with multitype which are wolframite and cassiterite ore deposit polymetallic ore.

通过对八仙脑矿区的地质工作，发现本区存在破碎带-石英脉复合型、石英细脉带型、云英岩-石英细脉带型等一体多型钨锡多金属矿床类型，本文对其地质特征进行了较为详细的论述，总结了区内各钨锡多金属矿床类型找矿评价的工作方法。

Finally, by studying on using saw blades with different matrices cutting different stones, a basic compatibility rule about matrices and stones was concluded, say, when cutting a hard, high quartz and high alkalifeldspar content and strong bonded stone, a high impact strength and low wear-resistance matrix should be chosen; otherwise, when cutting a soft, low quartz or no quartz content and weak bonded stone, a high bending strength, low impact strength and high wear-resistance matrix should be chosen.

最后，通过对不同性能结合剂的锯片切割不同石材的切削寿命和磨损状态分析，得出了锯片结合剂性能与岩石性质之间的一般性匹配原则：即对于坚硬的、高石英含量的花岗岩，宜选用高强度、高冲击韧性、低耐磨性和对金刚石具有良好粘结性能的结合剂；对于低硬度、无石英或低石英含量的易切削花岗岩，宜选用高强度、高耐磨性和低冲击韧性的结合剂。

Titanium ions were implanted into quartz and quartz coated with Ti film by MEVVA ion source implanter. The dose was 3×10^16 ions/cm^2 and 5×10^16 ions/cm^2. The ion energy and depth distribution were analyzed using simulation method.

为提高石英玻璃表面金属化膜层与基底的结合强度，利用金属蒸发真空弧离子源引出的Ti离子对石英玻璃及镀Ti膜石英玻璃进行离子注入，剂量选择3×l0^16 ions/平方公方，5×10^16 ion/平方公分，模拟分析了注入离子能量的分布。

Calidonian granites are widely developed in the Yema Nanshan area in the western segment of the Qilian orogenic belt. The geochemical characteristics of most of the granites are similar to those of adakites: SiO2≥56%, Al2O3≥15.0%, low MgO (average 2.04%), high Sr (257-889μg/g, average 546.42μg/g), low Y (7.1-25.3μg/g,average 16.67μg/g), average Sr/Y=5.89, no pronounced Eu anomaly and Sr positive anomaly. Adakites in this area have five rock types, quartz diorite, quartz monzodiorite, quartz monzonite, monzogrannite and hornblende granite. These rocks commonly contain hornblende, belonging to I-type granites.

提要：祁连西段野马南山一带发育大量的加里东期花岗岩，其中大部分花岗岩具有与adakite岩相似的地球化学特征，SiO2≥56%， Al2O3≥15.0％，低MgO（平均2.04％），高Sr(257～889μg/g，平均值546.42μg/g)，低Y（7.1～25.3μg/g，平均16.67μg/g），Sr/Y平均为35.89μg/g，Eu无明显负异常，Sr正异常，Adakite岩石类型有石英闪长岩、石英二长闪长岩、石英二长岩、角闪花岗岩、二长花岗岩，岩石中普遍含有角闪石，属I型花岗岩，地球化学图解反映该花岗岩形成环境为板块碰撞前的岛弧型，锆石U-Pb同位素年龄为444+38/-33 Ma，处在祁连造山带板块俯冲收缩阶段，因此可以推断野马南山埃达克质Adakite花岗岩是俯冲板片部分融熔和壳幔岩浆混合形成的。

Firstly, the mechanism of the preparation of superfine quartz powder with ball mill is studied in this article, based on nature of quartz material, Griffiths strength theory and the crush theory of planetary ball mill. The problem of granulation during the process of the preparation of superfine quartz powder is studied minutely. And proposed increasing dispersant and disperser medium to restrain granulation, and dispersing use ultrasonic after milled.

首先，本文结合石英材料的基本物性，以格里菲斯强度理论和行星式球磨机的粉碎原理为基础，研究了球磨法制备超细石英粉体的机理，同时对粉石英制备过程中的团聚问题及其控制作了细致的研究，提出粉磨过程中增加分散剂和分散介质来抑制团聚，粉磨后采用超声法进行分散，并确定了最佳分散剂、分散介质的用量和最佳超声分散时间。

In this paper the dynamic characteristic of quartz lamp heater and silicon controlled rectifier installations was addressed through theoretic analysis and test, and the static characteristic of quartz lamp heater was investigated through system identification; In foundation of studying controlled object＇s characteristic a kind of design procedure on nonlinear PID controller was found, it is applicable to arbitrary quartz lamp heating system.

本文通过理论分析和试验测试研究了可控硅功率调节装置和石英灯加热器的动特性，提出了通过系统识别的方法研究石英灯加热器的静特性；在研究被控对象特性基础上找到了对任意一个石英灯加热器组成的被控对象进行非线性PID控制器的设计方法。

According to the birefringence dispersion character of a quartz crystal,the theoretical analysis and numerical simulation about the polarization interference spectrum are given,and then a systematic way of measuring the phase retardation and thickness of the quartz wave plate ,which is based on the principle of polarization interferometry,is put forward.

根据石英晶体双折射率的色散特性，对石英波片的偏光干涉谱进行了理论分析和数值模拟，提出了一种石英波片延迟量和厚度的偏光干涉标定法。

Based on different thickness hydroxylation content in quartz sample, the changes of Hydroxyl peak 3675cm^(-1 intensity is obvious of different thickness in quartz sample, and withe increase of Quartz plate thickness, the hydroxyl peak transmittance increases.

通过对石英样品中不同厚度羟基含量分析得出，对于不同厚度的石英样品，羟基峰（3675cm^(-1)左右）的强度变化十分明显，石英片厚度的增加，羟基峰的透射率增大。

In order to study the influence of UV pulse laser pre-treatment on surface image of fused silica and validate its upgrade effect on anti UV laser damage ability of fused silica,using 355nm YAG laser raster to scan fused silica optics by means of power increase by degrees periodically,the change of surface image was studied and its anti-laser damage threshold at 355nm was measured.

为了研究紫外脉冲激光预处理对熔石英表面形貌的影响，验证其对熔石英元件抗紫外激光损伤能力的提升效果，利用输出355nm 3倍频紫外脉冲激光的YAG激光器，采用光栅式扫描的方式对熔石英表面进行了全口径能量周期递增的激光预辐照处理，并在处理结束后研究了表面形貌的变化，考核了其在355nm脉冲激光作用下的损伤阈值。

According to piezoelectric equation and vibration theory of quartz crystal, we studied the elastic wave＇s transmission characteristic in a AT-cut thickness-shear-vibration quartz crystal, and the frequency conditions of which quartz crystal resonator formed stationary wave in electrode district.

根据石英晶体的压电方程和晶体振动理论，研究了AT-切石英晶体厚度切变振动模式下振动频率与结构参数间的关系，以及石英晶体谐振器在电极区形成稳衡驻波的频率条件及电极区外波的传播特性。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。