石英玻璃

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The principles and a description of the main parts of the new instruments are as follows :(1)By means of a fused quartz mirror system and mercury horizon(shown in fig.4),a telescope with a fixed glass grid,three photomultipliers with respective a.c.amplifiers and a time recorder,the astrolabe can determine the time of almu- cantar transit of a star ...

新仪器的特点如下：(1)借助熔石英角镜组和汞地平、一架望远镜和固定的玻璃记录栅、三个光电倍增管及其交流放大器和一架计时仪，此仪器能无人差地测定星过等高圈时刻。

But make no mistake, Aventurine is certainly not glass, it is actually a much sought after member of the Chalcedony Quartz family.

但可以肯定地说，沙金石并非玻璃，她实际上是玉髓石英家族中的极品。

The results of the experiments indicate that the examiners of glass-ceramic which manufactured with P2O5 as nuclear of crystallization in the Li2O-ZnO-SiO2 system included cristobalite, Li2O.

实验结果表明：在Li_2O-ZnO-SiO_2系统中，以P_2O_5为晶核剂，研制出的微晶玻璃中的主晶相有方石英，此外还有Li_2O。

The crystal structure of cristobalite is helpful to optical reflection, and the cristobalite can institute the tiny glass ball to be used as the filler of the reflective paint to reinforce the non-skid property and improve the reflection of paint.

高反射率。方石英的晶体结构有助于光反射，可取代玻璃微珠作反光油漆的填料，既可增强防滑性，又可提高油漆的反光性。

A cat's eye with its holder construction has been designed and applied to the system. Through defining the acceptance angle and the entrance angle of the cat's eye, its reflective characteristic has been analyzed under the condition of practical application.

偏振分光镜、猫眼、波片及调整误差是引起光能损失、导致干涉光强下降的重要原因，通过选用高精度石英λ/4波片、光信号采样用平板玻璃分光镜及镀增透膜等措施，使光能损失大大减小。

To this class of substance belong mica, porcelain, quartz , glass , wood, etc.

属于这类物质的有云母、瓷器、石英、玻璃、木材等等。

Typical materials are cement, quartz, feldspar, calcite, gypsum, limestone, dolomite, graphite, fluorite, aedelforsite, phosphate ore, fused calcium-magnesium phosphate, car amide, electrolytic manganese metal, ferromanganese, coal, gangue, slag, zirconium, steatite, granite, orthoclase, marble, barites, ceramics, glass, etc.

典型材料是水泥，石英，长石，方解石，石膏，石灰石，白云石，石墨，萤石， aedelforsite ，磷矿石，电熔钙镁磷肥，汽车酰胺，电解金属锰，锰，煤，煤矸石，炉渣，锆，滑石，花岗岩，钾长石，大理石，重晶石，陶瓷，玻璃等。

The fused quartz brick is used as hot repair materials of glass furnace because of its low thermal expansion coefficient.

由于熔融石英砖的热膨胀系数小，它在玻璃熔窑上被作为热修补材料使用，从而也存在和其它耐火材料一样被侵蚀，引起蚀变，并在玻璃液中产生疵点的现象。

We sell and distribute light stabilizers, anti-oxidants and anti-static agents from POTTERS, phosphite from CROMPTON, flatting agents and anti-block agents from TOSOH SILICA, Polyvinyl Alcohol from JVP, silicon sol from Nissan Chemical, quartz powder from TATSUMORI, fumed silica (white carbon black, silicon powder and light powder) from Wacker, ThermoPlastic Rubber from SHELL/KRATON and special high-performance fine chemical products from a number of other world leading companies.

我们代理和经销的产品有美国POTTERS公司的空心玻璃微珠和实心玻璃微珠；日本TOSOH SILICA公司的消光粉、开口剂；日本JVP公司的聚乙烯醇；日产化学的硅溶胶；龙森公司的石英粉等国际知名公司的高性能特殊精细化学品。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。