本发明提供一种铋掺杂硅锌硼基光学玻璃及其制备方法。
The invention provides a bismuth doped silicate zinc boron based optical glass and a preparation method thereof.
1977年根岸博士使用锌的化合物以减轻钯碳原子间的粘连。两年之后,铃木教授发现硼化合物的效果更好。
In 1977, Dr. Negishi used zinc compounds to ease the mingling of carbon atoms on palladium, and two years later, Dr. Suzuki found that boron compounds worked even better.
它的成份含﹕有机腐殖质和氮、磷、钾、钙、镁、硫及铁、铜、锌、硼、钼等多种微量元素。
Its composition containing: organic humus and nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and iron, copper, zinc, boron, molybdenum and other trace elements.
一般选用结晶水较多的硼化物、锌化物及氢氧化铝、氢氧化镁。
Generally choose gesso more boron hydrates, zinc carbide and aluminum hydroxide, magnesium hydroxide.
微量营养元素植物所必需的微量元素包括钼、硼、锌、锰、铁,铜和氯。
Micronutrients. The micronutrients essential to plants include molybdenum, boron, zinc, manganese, iron, copper, and chlorine.
目的:观察微量元素锌、硼、钡、锰与氟共同作用时对脱涎鼠龋病形成过程的影响。
Objective: To study the effects of Zinc, Boron, Barium, Manganese and Fluorine on dental caries development in desalivated mice.
相比于二十年前,土壤缺硼和缺锌的状况虽然有所改变,但仍有2/3的土壤缺硼、1/2的土壤缺锌。
Although the status of soil available boron and zinc was improved somewhat, there are still 2/3 of tilth lack of boron and 1/3 lack of zinc.
采用ICP,XRD,EMPA,PAT等方法研究了加硼对铝黄铜脱锌行为的影响和机理。
The role of boron in inhibiting dezincification of aluminium brass was investigated by ICP, XRD, EMPA and PAT methods.
施钾、硼和锌肥能增进百合和白术的氮、磷、钾、硼和锌养分的吸收量。
Applying potassium, boron and zinc could increase nitrogen, phosphorus, potassium, boron and zinc uptake of lily and large-headed atractylodes rhizome.
利用鸡粪为主体原料配以N、P、K化学肥料和硼、锌、锰等微量元素制成便于贮藏、运输和使用的有机-无机颗粒肥。
Organic-inorganic granular fertilizer made of chicken manure powder plus N, P, K chemical fertilizers and microelements B, Zn, Mn, et al.
使用高温固相法合成了钐锰共激活的硼硅锌玻璃。
Samarium and manganese co-doped zinc borosilicate storage glasses were prepared by high temperature solid state method.
研究了加入稀土和硼细化处理对铸造铅黄铜组织和脱锌腐蚀性能的影响。
The paper presents some results obtained from a research about effects of rare-earth(RE)and boron(B)refining on the microstructure and dezincification corrosion properties of casting lead brass.
但是,有数种对骨骼健康甚为重要的微量元素包括硼、铜、锰和锌,它们的确实功用至今尚未被深入了解。
However, there are several trace minerals that also have an important role to play in developing optimal bone health, but their exact function is not so clearly understood.
一种植物生长调节剂,它由尿囊素和含有作物生长所需的镁、锌、硼、锰和钼元素的盐类组成,具有生长调节、营养素和杀菌等多种功能。
This plant growth regulator is composed of allantoin and salts containing Mg, Zn, B, Mn and Mo which are required for the growth of plant.
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用;施硼有利于小麦对磷、钾、锌和锰元素的吸收;
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用;施硼有利于小麦对磷、钾、锌和锰元素的吸收;
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
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