查询词典 flint

They do this to achieve fast focal ratios without messy aspherization, or to keep the cost of fabrication down because flint glass makes for easy manufacturing and looser tolerances.

他们这样做是为了实现短焦并没有严重的球差，或保持成本，因为火石玻璃制造容易误差宽松。

CRYSTAL WHEEL SKELETON CLOCK—Horologists will recognize this clock as a close copy of the famous flint glass wheel clocks made by Edwards of Stourbridge.

水晶车轮骨架时钟horologists会认识到这一点的时钟作为一个密切的副本，著名的无色玻璃车轮钟表所作的爱德华兹的

Hudson River Spirits are sold by the barrel or in new 375ml and 750ml heavy-weight flint glass bottles supplied by O.BERK with larger neck openings and specially designed neck grooves for easy dispensing.

哈得逊河酒业销售的桶或750毫升的新三七五毫升和重量级的火石玻璃的澳伯克提供了更大的颈口及专为方便配药脖子沟槽瓶。

The anti-darkening abilities increase as following order: flint glass By using multiphoton absorption ionization and spectrum broadening theories and according to the experimental results, the mechanisms of 800nm femtosecond laser induced darkening in the glasses were demonstrated.

同时，测试了各种玻璃在1064nm的纳秒和皮秒激光照射下的光致暗化现象，结果表明，玻璃在这两种激光的作用下不产生光致暗化。

Zonal chromatic aberration of the objective is 0.13 mm at focal length 800 mm,and the triplet combination of the fluorite glasses and some heavy flint type glass is effective to correct color aberrations.

结果表明，采用氟化物玻璃与重火石玻璃的三片式组合在短波红外段具有较好的消色差能力。

Lead glass contains typically 18–35 mol % lead oxide, while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO.[2] Lead glass is desirable due to its decorative properties.

中国地质大学珠宝检测中心副主任杨明星："施华洛士奇主要是一个含铅的玻璃，因为让我们看上去五颜面六色，非常的漂亮，它主要就是含一定量的铅，所以它的色彩非常地强，那么它做成各种晶体之后，光线一折射过来，就五颜面六色地非常漂亮。"

Glass, Heaviest Flint 1.890

你能在折射方面控制玻璃表面的光滑度。

I have a feeling that they did Flint said .

我知道，他们会那样做的。

Our system provides all hotels, apartments, hostels and motels in Flint with hot deals and special offers.

我们免费提供柏林酒店、公寓、旅舍和汽车旅馆的预定，我们还以优惠的价格提供最豪华高档酒店的预定。

Flint: Hey, you come to see me, baby, or what?

嘿，你来看我么，亲爱的？

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。