查询词典 quartz

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。

Heating by warm air is of large thermal capacity, and can blow away the excessive impregnant on the lower surface of PCB and in the plated through holes. Heating by infrared quartz tube, despite its small thermal capacity, preheats the parts evenly, steadily and rapidly.

热风加热具有大的热容量，能够迅速吹走涂布在 PCB 下表面和全属化孔中的过量溶剂；红外石英管加热具有热容量小，升温快速，元器件预热均匀稳定等优点。

PRESSURIZING THE VENT SIDE OF ANALYZER COULD CAUSE THE QUARTZ CELL TO CRACK AND ALSO DAMAGE THE FLOW MODULE.

分析仪的超压放空能避免石英检测器出现裂纹和损伤流量模块。

ZnO polycrystalline films, with a preferred orientation in c-axis, were grown by RF magnetron sputtering at reran temperature on quartz substrate.

用射频磁控溅射方法在未进行人为加热的石英玻璃衬底上，生长了良好c轴择优取向的ZnO多晶薄膜。

The surface of quartz stone is solid. It can reach scale 7 of Mohs hardness, which is higher than the tools we daily used. So it can't be scotched or worn by scraper knife or other iron wares.

坚硬的表面该产品的表面极其坚硬，莫氏硬度高达7级，远远高于日常使用工具的硬度，使用铲刀和壁纸刀等铁器均无法将其划伤、磨损。

Using the neutron activation analysis method, the author studied the trace element characteristics of silicified and limonitized quartz sandstones, diabases, limestones and pyrite in the Laozhaiwan gold deposit, and analyzed the relationships between the elements. The results show that the accompanying elements of Au in the study area can be used to guide the ore-prospecting work.

采用中子活化分析方法测试了老寨湾金矿区内的硅化褐铁矿化石英砂岩类、辉绿岩类、灰岩类和黄铁矿样品的微量元素特征，并利用元素地球化学研究方法对元素间的相关关系进行了分析，结果表明，在该地区可以利用金的伴生元素来指导找矿。

A high-resolution video camera, along with an infrared camera for navigation, was placed in the front of the craft along with three light-emitting-diode arrays for fill lighting and two quartz halogen lamps for spotlighting.

一台高解析度摄影机放置在小船的前方，另外还有一台导航用红外线摄影机、三排发光二极体负责提供充足的照明，以及两个石英卤素灯用于聚光。

The Laojunmiao metamorphic complex, exposed on the northeastern margin of the Junggar basin,consists mainly of quartz schists of greenschist facies, with some marbles bearing pre Devonian tabulates and crinoids resting on it.

出露在准噶尔盆地东北缘的老君庙变质岩，主要由绿片岩相的石英片岩构成，其上残存含前泥盆纪床板珊瑚和海百合茎化石的大理岩。

In this paper we give an improved method flow of chemical separation of quartz from marine sediments.

提供了改进了的化学分离海洋沉积物中石英单矿物的方法流程。

Our company is the specialized production CNC engraving machine's high salary enterprise, which is mainly engaged in the stone material engraving machine's research and development, manufacture and sale. In the base of Shandong University, we are devoted to research and produce of CNC. Stone engraving machine can carve hardwood surfaces of marble, blue stone, jade quartz, agate, glass, plastic cement, ceramics, stainless steel, titanium alloy, copper, iron, aluminum, bamboo willfully. According to the different materials, there are many kinds of different carving methods, achieves the artistic effects with different styles.

我公司是专业生产数控雕刻机的高新企业，主要从事石材雕刻机的研发、制造、销售，并以山东大学为依托致力于CNC的研发与生产，石材雕刻机能在大理石、青石、玉石水晶、玛瑙、玻璃、塑料水泥、陶瓷、不锈钢、钛合金、铜、铁、铝、竹木等硬材表面做任意雕刻，且可根据不同的材质，有多种不同的雕刻方法，可供选择，足以达到风格各异的艺术效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。