1) Barium tungstate
钨酸钡晶体
2) Barium Titanate Crystal
钛酸钡晶体
1.
The materials used for optical novelty filter are classified as inorganic crystal, such as barium titanate crystal and doped barium titanate crystal, and organic polymers, such as various photorefractive polymers and bacteriorhodopsin.
新事物滤波器所用的材料目前有两大类:一类是无机晶体,主要是钛酸钡晶体以及掺杂的钛酸钡晶体;另外一类是有机光学材料,包括各种光折变聚合物和生物光子学材料细菌视紫红质等。
3) Barium nitrate crystal
硝酸钡晶体
1.
Barium nitrate crystal was proposed as one of the perspective Raman materials due to its intense symmetrical vibrations with the frequency of 1 047 cm~(-1) and comparative high Raman gain.
由于硝酸钡晶体具有很强的对称振动(频率1 047 cm-1)和较高的拉曼增益,可以用来产生受激拉曼激光。
4) PbWO_4 crystal
钨酸铅晶体
1.
Simulations on the electronic structure and optical properties for the perfect raspite-structured PbWO_4 crystal;
斜钨矿结构钨酸铅晶体电子结构和光学性质的模拟计算
2.
2)MeVγ-ray of the PbWO_4 crystals is about 1∶2,the ratio of n/γ of the PbWO_4 crystals is about 1∶6 and the decay time of the PbWO_4 crystals is about 6ns.
2MeV)、DPF中子源和直线拟合方法,通过实验测定和理论计算,得到了钨酸铅晶体对ST-401闪烁体的γ相对灵敏度(约为1∶2),晶体的中子与γ灵敏度之比(约为1∶6)和晶体的衰减时间(约为6ns)。
3.
But the application of PbWO_4 crystal is limited to high-energy physics because of its low light yield.
因此,提高钨酸铅晶体的光产额以使其在PET装置等低能领域获得应用已成为近年来钨酸铅晶体的研究热点。
5) PWO crystal
钨酸铅晶体
1.
The performances of PWO crystals obtained are as follows: optical transmittance more than 60% at 420nm and more than 25% at 360nm, light yield more than 9 p.
用改进的垂直坩埚下降法成功地生长了高质量的钨酸铅晶体，晶体毛坯的尺寸为２８ｍｉｎ×２８ｍｍ×３６０ｍｍ；晶体的生长工艺参数为：籽晶取向［００１］；下降速度 ０。
2.
This paper describes the scintillating properties of lead Tungstate Crystal (PWO), including excitation spectrum, fluorescent spectrum, transmission, light yield, decay time, radiation damages and recovery , light collection un-uniformity, timing resolution and energy resolution of PWO crystal matriex for high energy photons and electrons.
叙述了国产钨酸铅晶体(PWO)的主要性能,包括激发光谱和发射光谱,透过率,光产额,发光衰减时间,辐照损伤及其恢复,收光均匀性,以及时间分辨率和PWO晶体阵列对高能光子的能量分辨。
6) lead tungstate crystal
钨酸铅晶体
1.
Lead tungstate crystal (PWO), a key component of the electromagnetic calorimeter of CMS, must meet high quality requirements in order to attain the claimed energy resolution.
钨酸铅晶体是新一代对撞机谱仪ＣＭＳ的电磁量能器的主体。
2.
results for several full size (23 cm length) lead tungstate crystals under Co 60 γ ray side irradiating, investgating the light yie.
大型强子对撞机 (LHC)运行时具有很高的辐射背景 ,为达到所要求的电磁量能器的测量精度对研制中的钨酸铅晶体的抗辐照性能提出了很高的要求 。
补充资料：钨酸钡
分子式：BaWO4
CAS号：
性质：白色粉末。微毒!相对密度5.04(15℃)。微溶于水。溶于煮沸的草酸水溶液。在酸中被分解。在空气中稳定。由氧化钡或碳酸钡和三氧化钨反应制得。亦可用碳酸钡溶解于钨酸反应制得。还可用可溶性钡盐和钨酸钠溶液加热进行复分解反应制得。用于电子工业和光学玻璃，陶瓷，颜料，缓蚀剂，作X射线照相上的增强剂和荧光屏。
CAS号：
性质：白色粉末。微毒!相对密度5.04(15℃)。微溶于水。溶于煮沸的草酸水溶液。在酸中被分解。在空气中稳定。由氧化钡或碳酸钡和三氧化钨反应制得。亦可用碳酸钡溶解于钨酸反应制得。还可用可溶性钡盐和钨酸钠溶液加热进行复分解反应制得。用于电子工业和光学玻璃，陶瓷，颜料，缓蚀剂，作X射线照相上的增强剂和荧光屏。
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参考词条