[化] 溴值

bromine number的用法和样例：

例句

The average molecular weight and bromine number were used to calculate weightpercent of olefine in petroleum products.本文提出了由油品平均分子量和溴值计算油品的烯烃百分含量的方法。

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(240) / 评论(0)

优美儿童英语歌曲

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

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人教版小学英语四年级

The number of our class is 25.

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自考英语（一）78讲

Numbers 民数记01

1The Lord spoke to Moses in the Tent of Meeting in the Desert of Sinai on the first day of the second month of the second year after the Israelites came out of Egypt. He said: 2Take a census of the whole Israelite community by their clans and familie

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民数记

Numbers 民数记03

3This is the account of the family of Aaron and Moses at the time the Lord talked with Moses on Mount Sinai. 2The names of the sons of Aaron were Nadab the firstborn and Abihu, Eleazar and Ithamar. 3Those were the names of Aaron's sons, the anointed

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民数记

Numbers 民数记02

2The Lord said to Moses and Aaron: 2The Israelites are to camp around the Tent of Meeting some distance from it, each man under his standard with the banners of his family. 3On the east, toward the sunrise, the divisions of the camp of Judah are to e

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民数记

英语儿歌274首第144期:Number one

歌词如下： Number One,Touch Your Tongue Number two,Touch Your shoe Number three,Touch Your knee Number four,Touch Your floor Number five,learn to jive Number six,pick up sticks Number seven,go to Your heaven Number eight,over a gate Number nine,

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英语儿歌274首

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

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Dialled the wrong number 打错电话

If you dial the wrong number it can be confusing and embarrassing. But how do you find out that you've made a mistake? And how can you check to be sure? imagine you've dialled the wrong number. What might the person who answers your call say? What

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VOA慢速英语2013 AS IT IS - A drop in the number of women touring India

AS IT IS - A drop in the number of women touring India From VOA LEARNING ENGLISH, welcome to AS IT IS! Hello, Im Steve Ember. Today on our program, the increasing number of Nigerian child brides and its effect on womens education...efforts by the Uni

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2007年VOA标准英语-UN to Reduce Number of Peacekeepers in Liberia

By Kari Barber Dakar 22 August 2007 A United Nations plan to reduce the number of peacekeepers in war-scarred Liberia has some Liberians concerned about the security of the country. But others are welcoming the plan for the gradual withdrawal of peac

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2007年VOA标准英语（八月）

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

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灯具专业英语词汇

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

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实用英语

amount和number的区别

amount，number 这一对词都能用作名词和动词，又都表示数目、总数之意，故很易混淆。它们之间的区别是，amount用于不可数名词，表示量； number用于可数名词，表示数。例： He has contributed a

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英文语法词汇

(1)Springtime Ozone Loss

25 大气层中臭氧正日渐稀薄 DATE=3-21-01 TITLE=SCIENCE REPORT - (1)Springtime Ozone Loss BYLINE=George Grow (Start at 1'00

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实用的number短语

实用的number短语大家都知道number的意思是数字，但是number短语的意思可没有这么简单。它们可以表示气数已尽、受欢迎的人或事、人多力量大等多种意思，很不可思议吧！我们一起来学习一下

发表于:2019-02-01 / 阅读(134) / 评论(0)

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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

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听歌学英语

Do a number 造成伤害如何表达

李华在问Larry去野营的事。 LH: Hi, Larry! 你们去野营，开心吗？ LL: Sure, I guess so... but look at this sunburn I got! The sun really did a number on my face! LH: 哟，看你的脸给晒的！你说太阳怎么啦？Did a number，

发表于:2019-02-18 / 阅读(164) / 评论(0)

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英语歌曲:N-Dubz - Number 1

饶舌:N-Dubz - Number 1 相关介绍：N-Dubz是一支来自伦敦的嘻哈一族。他们首张专辑08年发行一举爬到UK Albums Chart第十一名位置，并且有已拥有3首进入UK Singles ChartTop 40单曲，实力不容小视。09年11月

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