原子序数

proton number的用法和样例：

例句

Each atom normally has the same number of electrons revolving about the nucleus as it has protons in the nucleus.通常每个原子内绕原子核旋转的电子数和原子核内的质子数相同。
Proton transport is controlled by both segmental motion of the polymer chains and hoping of protons.通过构造新模型，研究了质子数等因素对质子在质子交换膜中输送过程的影响。

英语歌曲:number song

number song 1, 2, 3, 4, 5, 6, 7 that's the way to start 8, 9, 10, 11, 12 you'll learn them all by heart 13, 14, 15, 16 they're the next along 17, 18, 19, 20 that's the number song 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

发表于:2018-11-29 / 阅读(253) / 评论(0)

优美儿童英语歌曲

用Mp3背六级单词066

transverse boycott overestimate romantic pants olive wisdom proton bully vital bump competitor portable psychology overturn jog sensor moderately thorn option plateau appraisal enthusiastic discrepancy serpent

发表于:2018-12-01 / 阅读(164) / 评论(0)

用Mp3背六级单词

人教版小学英语四年级上--Unit 2 What's your number?

Unit 2 What's your number? [00:02.30]单元二你的号码是什么？ [00:04.60]Lesson 7 [00:06.22]第七课 [00:07.84]1.Just speak [00:09.67]1.请讲话 [00:11.49]Hi,Kate.This is my new friend,Sue. [00:13.78]喂，凯特。这是我的新朋友，苏

发表于:2018-12-12 / 阅读(269) / 评论(0)

人教版小学英语四年级

VOA标准英语2012--Children's Asthma Not Eased by Anti-Reflux Drug

Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the

发表于:2018-12-16 / 阅读(152) / 评论(0)

VOA标准英语2012年(一月)

标准美语发音的13个秘诀 CD 4 Track 9

Review Exercise 10: Ignorance on Parade Explanations. CD 4 Track 9 Here, go over each topic, point by point. 1. Two-word phrases, intonation and phrasing a proton from a crouton? (contrast) Well, you're not the only one. (contrast) Arecent nationwide

发表于:2018-12-16 / 阅读(119) / 评论(0)

标准美语发音的13个秘诀 CD4

The number of our class is 25.

发表于:2018-12-30 / 阅读(155) / 评论(0)

自考英语（一）78讲

万物简史第9期:如何营造一个宇宙(1)

Part I Lost in the cosmos 第一章如何营造一个宇宙 They're all in the same plane.They're all going around in the same direction. . . . 它们都处于同一平面。它们都在沿同一方向转动...... It's perfect,you know. It's gorgeo

发表于:2019-01-01 / 阅读(133) / 评论(0)

万物简史

英伦广角英国第一家质子治疗诊所开业

At 13 years old, Rashard has already had two courses of radiant therapy. At first, he went into remission. But the cancer came back. And the treatments have had serious impacts on his health. He was very shaky. Could barely walk really. He lost the f

发表于:2019-01-02 / 阅读(132) / 评论(0)

英伦广角

wrong number

Male: Hello, this is the press office. Michelle: Rachel Allsop please. Male: Im sorry, You must have the wrong number . Theres no-one of that name here. Michelle: Oh. Can I check the number Ive got. is that not 5568790? Male: No, its 5558790. Michel

发表于:2019-01-07 / 阅读(266) / 评论(0)

商务英语

2007年VOA标准英语-Japanese Satellite Lost in Russian Rocket Explo

By Peter Fedynsky Moscov 06 September 2007 Kazakhstan has suspended launches of the Russian Proton rocket at the Baikonur Space Center following a failed liftoff and loss of the payload, a Japanese communications satellite. VOA Moscow Correspondent P

发表于:2019-01-11 / 阅读(173) / 评论(0)

2007年VOA标准英语（九月）

美国习惯用语:351 His number is up

今天我们要讲的几个习惯用语里面都有number这个词。大家一定知道number是数字。我们要学的第一个习惯用语是: his number is up。这个习惯用语起源于一次大战期间军队里的行话，说His number is up

发表于:2019-01-16 / 阅读(193) / 评论(0)

美国习惯用语

中国计划建最大超级对撞机

China's proposed supercollider will be twice the size of the Large Hadron Collider or CERN in Switzerland that helped discover the Higgs Boson or the God Particle in 2012. It will also serve as a symbol of the country's rise as a global superpower by

发表于:2019-02-07 / 阅读(131) / 评论(0)

英语新闻

Russia resumes launch of Proton-M carrier rocket

MOSCOW, Sept. 21 (Xinhua) -- A Russian Proton-M carrier rocket carrying a military spacecraft blasted off early Wednesday from the Baikonur space center in Kazakhstan, the first launch since a series setbacks of Russian rocket launch in August. Colon

发表于:2019-02-09 / 阅读(160) / 评论(0)

英语新闻

Russia determines cause of failed satellite launch

MOSCOW, Aug. 30 (Xinhua) -- Russia's space agency said Tuesday that a Proton-M rocket launch failed earlier this month because of a malfunction in the upper stage. The conclusion was reached by an independent investigation commission following a seri

发表于:2019-02-11 / 阅读(141) / 评论(0)

英语新闻

万物简史第229期:马斯特-马克的夸克(1)

11 Muster Mark's Quarks 第十一章马斯特马克的夸克 IN 1911, A British scientist named C. T. R. Wilson was studying cloud formations by tramping regularly to the summit of Ben Nevis, 1911年，一位名叫C.T.R.威尔逊的英国科学家经常

发表于:2019-02-17 / 阅读(136) / 评论(0)

万物简史

Russia launches rocket with Chinese satellite

MOSCOW, Nov. 25 (Xinhua) -- Russia's Proton-M carrier rocket was launched on Friday from the Baikonur space center in Kazakhstan with a Chinese communications satellite AsiaSat-7, according to Russia's Federal Space Agency Roscosmos. Roscosmos' live

发表于:2019-02-18 / 阅读(174) / 评论(0)

英语新闻

听歌学英语:你是我的唯一 Number One For Me

听歌学英语:你是我的唯一 Number One For Me Maher Zain（马赫-仔）瑞典黎巴嫩裔音乐才子，歌声清透而深沉，曲风流行而不张扬，与AKON、ladyGaGa、Brandy等著名国际音乐人进行过合作，后厌恶了极致商

发表于:2019-02-18 / 阅读(152) / 评论(0)

听歌学英语

万物简史第198期:威力巨大的原子(12)

Let us pause for a moment and consider the structure of the atom as we know it now. Every atom is made from three kinds of elementary particles: protons, which have a positive electrical charge; electrons, which have a negative electrical charge; and

发表于:2019-02-25 / 阅读(214) / 评论(0)

万物简史

英语听力文摘 English Digest 227、对抗癌症-质子疗法

Proton Therapy 质子疗法也叫质子刀，是放射治疗的一种，比普通的放射疗法更有针对性。质子作为带正电荷的粒子，以极高的速度进入人体，由于其速度快，在体内与正常组织或细胞发生作用的

发表于:2019-03-09 / 阅读(272) / 评论(0)

英语听力文摘 English Digest

生活大爆炸第六季:第22集:质子教授(上)

The interface is pretty simple. 操作界面很简单 You put your horizontal X coordinate here, vertical Y coordinate here. 你把横坐标X值输在这里纵坐标Y值输入这里 When you're happy with those, you press this button. Got it. 等数值

发表于:2019-03-16 / 阅读(346) / 评论(0)

生活大爆炸第六季

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

absolute minimum fatal temperature

actors

adumar

all is not gold that glitters

Amery

ammonium calcium arsenate

anonymous file transfer protocols