查询词典 quartz

The main content consists of the following aspects: The essential techniques of rate control are introduced, such as the principle of rate detection by quartz crystal﹑the relationship between filament emission current and filament temperature﹑the temperature dependence of material evaporation characteristic﹑the electron beam focalizing characteristic and the theory of rate closed-loop control.

主要内容包括以下几个方面：围绕电子束蒸发速率控制综合了速率控制的相关技术，比如蒸发速率石英晶振探测的原理﹑灯丝发射电流与灯丝温度的关系﹑膜料蒸发特性与蒸发温度的关系﹑电子束焦斑聚焦特性及速率闭环控制的原理。

The second phase quartz veins contain only twophase aqueous and single phase aqueous fluid inclusions; fluids came from meteoric water which interfused with magmatic water.

中期石英脉中主要发育气液两相包裹体和少量单液相包裹体，流体主要来源于大气降水，并且有少量岩浆热液混入。

In the 1950' s, USA lapidaries voted Chrysocolla Chalcedony Quartz the "most popular American gemstone".

上世纪六十年代，硅孔雀石玉髓石英被美国宝石商评为&最受美国人民欢迎的宝石&。

You will need a quartz rod to hold the object in place until it levitates, or while it is heating.

你得有个石英棒来在工件未悬浮之前托住它。

The main mineralized types are quartz vein type and alteration pattern with fracture zone.

主要矿化类型有石英脉型和破碎带蚀变岩型。

Wangjiacha quartz diorite, outcropped in the junction area between Qinling and Qilian orogenic belts, was intruded into the metamorphic complex of the Longshan Group.

出露于秦岭、祁连造山带结合部位的王家岔石英闪长岩体，侵入于变质基底陇山岩群之中。

Case-study from Silurian sandstones in the Central Tarim show that quartz has kept overgrowing secondarily when oil saturation was decreased by meteoric water flushing subsequently to hydrocarbon emplacement.

塔中地区志留系实例研究显示：烃类侵位后，因淡水影响可降低含油饱和度，这使得石英的次生加大可持续发生，而未能阻滞。

Case-study from Silurian sandstones in the Central Tarim show that quartz has kept overgrowing secondarily when oil saturation was decreased by meteoric water flushing subsequently to hydrocarbon emplacement.

同时，油气侵位是否有利于次生孔隙的发育，也值得研究。塔中地区志留系实例研究显示，烃类侵位后可因淡水注入而被氧化和生物降解，所产生的酸性环境有利于矿物的溶解。

The dark dikes associated with mineralization in the Jinchanggouliang mine area,are mostly fine diorite-quartz diorites and diorite porphyrite-dacite porphyries.

金厂沟梁金矿区中与成矿伴生的暗色脉岩主要是细晶闪长岩石英闪长岩、闪长玢岩英安斑岩类。

The early magmatic rocks include quartz syenite porphyries , syenite porphyries , striking in near SN direction; the latter ones include biotite syenite porphyries , lamprophyres, striking in near EW direction.

详细讨论了北衙矿区的地质特征，通过对勘探资料的深入研究和野外观察，初步确定，北衙矿区存在两期岩浆活动，早期的石英正长斑岩、正长斑岩等近南北向分布，晚期的黑云正长斑岩、煌斑岩脉等呈近东西向展布。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。