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After mixing glass with tin oxide to render it opaque, European craftspeople tried combining clay and ground glass.

混合后玻璃氧化物使其不透明,欧洲手工艺试图结合粘土和毛玻璃。

In 70 BC, an ambitious minor politician and extremely wealthy man, Marcus Licineus Crassus, wanted to rule Rome.

公元前70年,马库斯李尼克拉苏,一个小小的但是极之富有的政客,想要统治

The phenomenon of the bluish spots formed during production on the surface of phosphor bronze strip is described and the influence of the formation of inverse segregation and the crystallizer discussed.

论述了磷青铜板带材生产过程中出现的蓝斑现象,探讨了形成反偏析的机理及结晶器表面状况对蓝斑现象的影响。

The Company's foreign trade wholesale brand Products Mini folding bicycle A-BIKE, leisure sports car brand fitness equipment, foreign trade, household ladder folding, HEENOOR Sinoe insulation Cup, foreign trade Opener Product Suite family of products (can opener, garlic press device , shrimp clamp, walnut folder, ribs axes, meat hammer, etc.), pure tin canisters, folding bicycles, electric scooters, all kinds of high-end gift, portable instrument package and so on Welcome!

本公司批发品牌外贸产品迷你型折叠式A-BIKE自行车、休闲运动车、品牌健身器材、外贸折叠家用梯、HEENOOR希诺保温杯、外贸产品开瓶器套件系列产品(开罐器、压蒜器、虾钳、核桃夹、排骨斧头、肉锤等)、纯茶叶罐、、折叠自行车、电动滑板车、各类高档精美礼品,可携式工具套件等等欢迎惠顾!

Relevant keyword: Information of stannum of zinc of cupreous aluminous lead complains reach cooperative hot line:

相关关键词:铜铝铅锌信息投诉及合作热线:

Relevant keyword: Stannum of zinc of cupreous aluminous lead Information complains reach cooperative hot line:

相关关键词:铜铝铅锌信息投诉及合作热线:

Corrosion layer of bronze relics consisted of red cuprite sub-layer, green carbonate mineral sub-layer and yellow stannolite sub-layer.

腐蚀层细分为红色赤铜矿层、绿色碳酸盐矿物层和黄色石层组成,其厚度小于1mm。

Scenic resource features: There are tropical montane rain forest manhao; there gibbon keeping the country's largest base - Bao Hua Shan Zoo; there Yunnan that is the highest temperature 95 ° C-103 ° C at the end of the Ah sprinkling hot springs; domestic latest discovery of new multi-superoxide Cycas landscape; are renowned at home and abroad have tin culture; there is domestic only chicken months 600 mm wide rail.

风景资源特征:有曼耗热带山地雨林;有全国最大的长臂猿饲养基地--宝华山动物园;有云南境内温度最高即95°C-103°C的丫洒底热泉;有国内最新发现的新种多歧苏铁景观;有驰名中外的都文化;有国内仅存鸡个600毫米宽的铁路。

In the result, we can promotion electrochemical activity and enhance stability of catalyst by cyclic voltammetry method.

藉由循环伏安法分析的结果显示,添加适当的钌、和钯金属触媒能有效提高电化学活性与增加触媒稳定性。

3 Recently, we reported an efficient tin-free version of this reaction involving thiophenol for the preparation of cyclopentane derivatives through a 1,5-hydrogen transfer/cyclization sequence [Eq.(1); AIBN=azobisisobutyronitrile].

最近,我们报道了高效的、不使用试剂而使用苯硫酚的反应,这个反应是通过1,5-氢转移/环化步骤制备环戊烷衍生物的[化学反应式(1);AIBN=偶氮二异丁腈][4]。

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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