查询词典 alpha ray

When surface alpha ray flux of granite are higher than 0.0052Bqcm〓, radionuclides gamma ray analyses must be done to determine if their internal and external indexes are in the range of'A'limits of national criteria of China.

3.1 花岗石的表面α筛选值本论文得到的花岗石的表面α水平与外照射指数的拟合关系为： I〓=0.2802+181.3α-1614α〓从拟和曲线可得：当花岗石的表面α水平低于0.0052 Bqcm〓时，内外照因子都在国家标准GB 6566-2001对A类饰材的的限制以内。

The drug is referred to as a central alpha agonist because it stimulates alpha-receptors in the brain.

这种药物一般作为中枢的α促效药来使用，因为它会激发α受体来达到效果。

Alpha brass es contain less than 40% zinc; beta brass es (40-45% zinc) are less ductile than alpha brass es but stronger.

黄铜的含锌量低于40%，β黄铜含锌较多(40～45%)可锻性较α黄铜差，但强度大。

Pandora's scientific name isCentaur Alpha B-4,it is a planet in the Alpha Centauri galaxy, whose size is similar with the Earth.

潘多拉学名"半人马阿尔法B-4"，是半人马阿尔法星系中的一颗星球，大小和地球差不多。潘多拉并不是一个行星，它其实是一个巨型气体行星的卫星。

Pandora's scientific name is"Centaur Alpha B-4",it is a planet in the Alpha Centauri galaxy, whose size is similar with the Earth.

潘多拉学名"半人马阿尔法B-4"，是半人马阿尔法星系中的一颗星球，大小和地球差不多。潘多拉并不是一个行星，它其实是一个巨型气体行星的卫星。

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundred s of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

The isotope 232Th has a half-life of 14 billion years and decays to 228Ra by emitting an alpha particle, which is called the alpha decay (the blue arrows show the "direction" of decay).

同位素中232Th的半衰期为14亿年和衰变40.2，82.7，32.4，28.9，94.2，69.3，57.1，71.6，64.0，71.4，692发光的一个粒子，即所谓的衰变(蓝色箭头显示的"方向"的衰变)。

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundreds of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

Suddenly there's an alpha particle coming out of it, except the alpha particle is another universe.

突然有一个阿尔法粒子从原子核里出来，而从中间的多元宇宙里出来的是具有时间之箭的小宇宙。

Radioisotope per second to launch tens of thousands of alpha particles, each alpha particle in its within a very short trip can produce thousands of positively charged ions, that is, with the oxygen ions and a layer of intensive electronic clouds.

放射性同位素每秒钟要发射上万个α粒子，每个α粒子在其很短的行程内可产生上千个离子，即带正电的氧离子及一层密集的电子云层。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。