查询词典 electric charge

In 1932, Chadwick made a fundamental discovery in the domain of nuclear science: he discovered the particle in the nucleus of an atom that became known as the neutron because it has no electric charge.

查德威克立刻着手研究约里奥·居里夫妇做过的实验，用云室测定这种粒子的质量，结果发现，这种粒子的质量和质子一样，而且不带电荷。

Among them, the antioxidant compounds can effectively remove free radicals and esters peroxygen compounds inside the body, and interdict the powerful cancerogenic substance N-ammonium nilrite compounds. It can not only greatly enhance the body's immunity, but also with effective functions in moisturizing the skin, anti-fatigue and anti-aging; the bamboo fiber contains the amino acid necessary for human body, having distinctive health-care functions on the skin; the bamboo cellulose, bamboo honey and pectin have the effects of moisturizing the skin and fighting fatigue. They can increase the body's microcirculating blood, activate the histiocyte, enable the body to produce heating effects, effectively regulate the nervous system and unclog the meridian; the bamboo fiber has no free electric charge, antistatic and relieves itching.

其中，抗氧-化合物能有效清除体内的自由基和酯-过氧化合物，阻断强致癌物质N一亚-酸氨化合物，不仅能显著提高机体免-能力，而且具有滋润皮肤和抗疲劳、-抗衰老的生物功效；竹纤维含有多种-体必需的氨基酸，对皮肤具有独特的-健功能；竹纤维素、竹密、果胶具有-滋润皮肤和抗疲劳的功效，能增加人-的微循环血流，激活组织细胞，使人-产生温热效应，能有效调节神经系统-，疏通经络；竹纤维不带自由电荷，-静电，止瘙痒。

An elementary particle in the lepton family, having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2?

介子轻子族中的一种基本微粒，其质量为电子的209倍，是一种负电荷，平均寿命为2.2？

The diameter and electric charge of surface were determined by granularity mensuration instrument.

用显微镜法观察其形态，粒度测定仪测量粒径和表面电荷。

A quantum ''.'number'.'' equal to twice the average electric charge of a particle multiplet or, equivalently, to the sum of the ''.

超荷一个量子量，等于一个粒子多重线谱的平均电极；或者相当于量子''。

Of positive and negative electric charge in a nuclear, atomic, molecular, or chemical ''.

极化在一个原子核、原子、分子或化学''。

In this case, the photon is polarized as positive and negative electric charge.

这时，光子具有正、负电荷的极性。

Electrons are very much smaller still, but they carry a negative electric charge large for their size.

电子更要小得多，但它们所载的负电荷与其体积相比较，却可以说很大。

Of a particle or body or system; having a net amount of positive or negative electric charge.

指粒子、物体或者系统；有正电荷或者负电荷的净值。

This is, in principle, the same experiment as Oersted's, the only difference being that instead of an ordinary current we have a mechanically effected motion of the electric charge.

在原则上这个实验和奥斯特的是一样的，惟一不同的是他不用通常的电流，而用一种带电体使它发生机械运动。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎