该词条未找到_海词词典

您要查找的是不是：

californium trifluoride 三氟化锎
Acetylacetone was synthesized by using boron trifluoride etherate as catalyst. 采用三氟化硼-乙醚络合物为催化剂,由丙酮和乙酸酐一步法反应合成乙酰丙酮。
The emissions will escalate as nitrogen trifluoride's use increases. 随着使用量增加，三氟化氮的排放量也将升级。
No more will the creators of a new element be able to name it after a famous scientist (lawrencium), city (berkelium), or sate (californium). 新元素的发现者不能再将该元素以某位著名科学家的名字(如，铹)、城市的名称(如，锫)或州的名称(如，锎)命名。
To create a mere three atoms of element 118, the scientists spent two months bombarding the californium target with 30 billion billion calcium ions. 为了创造这微不足道的3个原子，科学家花费了2个月时间，用30万亿亿个钙离子来轰击锎离子。
Nitrogen trifluoride (NF3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas. 三氟化氮（NF3）是有毒、无色、无嗅、不可燃的氧化性压缩气体。
Plutonium was first discovered in a Berkeley lab (as were the aptly-named berkelium and californium). 铂就是首先在巴克利实验室发现的（确切的名字该叫巴克利姆或加利福利姆）。
Prather says we should now be following nitrogen trifluoride concentrations in the atmosphere closely. 普莱瑟说我们现在应当密切关注大气中的三氟化氮含量。
Some companies are solving the problem by adopting alternatives to nitrogen trifluoride. 一些公司选择了接受三氟化氮的替代品来解决这个问题。
He found that about 563 metric tons of nitrogen trifluoride was emitted in 2006. 他发现2006年中有大约563公吨的三氟化氮被排放。
No more will the creators of a new element be able to name it after a famous scientist( lawrencium), city( berkelium), or sate( californium). 新元素的发现者不能再将该元素以某位著名科学家的名字(，铹)城市的名称(，锫)州的名称(，锎)名。
Air Products claims that worldwide production of nitrogen trifluoride has reached 7,300 metric tons. 空气化工产品公司宣称全球的三氟化氮产量已经达到7300公吨。
Shoe plays be bored with, go taking small chair to ride when the horse again, cry by the side of Bian Qi: ? of eight Californium lap seeks mother. 鞋子玩腻了,又去拿小椅子当马骑,边骑边叫:“骑大马,找妈妈。”
The method employs deriva-tization of the acids to their esters using boron trifluoride -methanol,seperated by 5%DEGS +1%H 3 PO 4 column. 样品采用三氟化硼-甲醇溶液酯化;用质量分数为5%25DEGS+质量分数为1%25H3PO4高效色谱柱分离。结果:EPA、DHA的回收率分别为96.;2%25±3%25和95
One chemical substance which the boron trifluoride nitrogen is produces liquid crystal monitor, semiconductor and when solar cell board uses. 三氟化氮是生产液晶电视显示器、半导体和太阳能电池板时所使用的一种化学物质。
Phylogenetic reconstruction with the Neighbor-joining (NJ) method using sequences of variable regions (V1+V2+V3) of SSU rDNA indicated that GYN-15, S. californium and G. 以 SSU r DNA序列中的 3个可变区 (V1 +V2 +V3)和邻接法构建的系统树表明 ;GYN- 1 5与 S.;californium和 G
Hydroxyalkyal lignin was epoxidized by epichlorohydrin catalyzed via boron trifluoride etherate to form lignin-based epoxy resin. 以三氟化硼乙醚为催化剂,丙氧基化改性的麦草碱木质素与环氧氯丙烷反应合成木质素基环氧树脂。
The researchers fired a beam of calcium ions, each containing 20 protons, into a target of californium, a highly radioactive synthetic substance with 98 protons. 他们轰击了一束每个原子中含有20个质子的钙离子，得到了锎，一种原子核中含有98个质子的更高级人造放射性元素。
The semiconductor industry started to use nitrogen trifluoride as a greener alternative for cleaning chipmaking equipment in the late 1980s. 1980年代晚期，半导体工业开始使用三氟化氮作为更环保的代替物来清洁制造芯片的机器。
The boron trifluoride (BF3) is supplied with excellent quality in a long term steadily, both through imported product and domestic one. 本公司长期提供高质量的国产和进口三氟化硼（BF3）气体，价格有竞争力，售后服务完备。