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Qing-ray telescope Monopoly to provide you with a variety of telescopes, astronomy telescopes, military binoculars, compass, table above sea level, military compass, infra-red telescope, high-power binoculars, night vision binoculars, telescopes digital, high-quality, and other single-telescope Optical products.

光擎望远镜专卖为您提供各种望远最流行的圣诞礼物镜,天文望远镜,军用望远镜,指南针,海拔表,军用指北针,红外线望远镜,高倍望远镜,夜视望远镜,数码望远镜,单筒望远镜等优质光学产品。

The phosphorous acid industry in China is now facing the problems of shortage of energy sources and run-up of power price,and the market competition ability of phosphorous chemicals which use phosphorous acid from furnace process as the material is going down gradually.

采用正交实验,研究了高倍半氧化物含量的中低品位磷矿在磷酸与硝酸混酸中的酸解行为,并确定了实验室最佳工艺条件:反应温度65℃,液固比14∶1,磷酸浓度(P2O5)20%,硝酸浓度9.50g/L,添加物KDD浓度5.50g/L,反应时1h。

Methods: Paraffin (7 μm in thickness) and methacrylate resin (25 μm) embedded renal sections were observed using 40× objective lens and 100× oil lens, respectively, and the volume fractions and diameters of the renal tubules and the tubule nuclei were estimated with stereological methods.

分别用高倍镜(40×物镜)和油镜(10 0×)观察石蜡(7μm厚)和甲基丙烯酸树脂(2 5 μm厚)包埋的肾脏切片,利用体视学方法测量肾小管的体积分数和直径以及肾小管细胞核的体积分数和直径。

A small magnifying glass usually set in an eyepiece and used chiefly by watchmakers and jeweler s.

高倍放大镜通常放在目镜中的放大镜,形状小主要供珠宝商和钟表商使用

"Crude microscope s date to the mid-15th century, but not until 1674 were the powerful microscope s of A. van Leeuwenhoek able to detect phenomena as small as protozoa."

原始的显微镜可追溯到15世纪中期,但直到1674年列文虎克才发明高倍的显微镜,能观察到小如原生动物的现象。

"Crude microscopes date to the mid-15th century, but not until 1674 were the powerful microscopes of A. van Leeuwenhoek able to detect phenomena as small as protozoa."

原始的显微镜可追溯到15世纪中期,但直到1674年列文虎克才发明高倍的显微镜,能观察到小如原生动物的现象。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力