?bromine

bromine發(fā)音

英：[?br??mi:n]　　美：[?bromin]

英：　　美：

bromine中文意思翻譯

n.溴(35號元素)

bromine詞形變化

簡寫符號: Br |

bromine常見例句

1 、The testing period of chemical titration was longer,and determined bromine content of BBR was lower.───化學(xué)滴定法測試周期較長,分析結(jié)果偏低。

2 、Adding too much chlorine and bromine to disinfect the water can result in creation of potentially harmful trihalomethanes.───但氯加多了，也有可能產(chǎn)生偏高的有害物質(zhì)－－總?cè)u甲烷。

3 、relating to or containing bromine (especially pentavalent bromine).───關(guān)于或包含溴（特別是五價(jià)溴）。

4 、Design on Teaching Mode of Study Lessons by Bromine Light-colored───使溴水褪色的研究性學(xué)習(xí)案例設(shè)計(jì)

5 、Bromine content of brominated butyl rubber(BBR)was determined by 1H-nuclearmagnetic resonance(1H-NMR),wavelength-dispersive X-ray fluorescence spectrometry(XRF)and chemical titration respectively.───分別用1H-核磁共振(1H-NMR)法、X射線-熒光光譜(XRF)法和化學(xué)滴定法測定了溴化丁基橡膠(BBR)的溴含量。

6 、In general, the activity of the halide component of the initiator increases with the number of chlorine or bromine atoms joined to a single carbon atom.───一般說來，引發(fā)劑的鹵化物組份的活性，是隨連在同一碳原子上的氯和溴原子的數(shù)目的增多而增長。

7 、It covers the composition of brine, the mineral reserves, as well as the current state of the production of bromine, its derivatives and magnesium chemicals.───包括死海鹵水組成，資源儲量，溴及其衍生物的鎂化學(xué)制品生產(chǎn)現(xiàn)狀。

8 、An ab intio study on the reaction of bromine atom with ethyleneWe examined this reaction at the CCSD(T)/aug-cc-pVDZ//MP2/6-311+G(d, p) level of theory.───我們利用CCSD(T)/aug-cc-pVDZ//MP2/6-311+G(d，p)方法，對該反應(yīng)進(jìn)行了理論研究。

9 、The paper presents a review on the development and comprehensive utilization of bromine and magnesium resources in Dead Sea at lsrael and Jordan.───摘要對以色列和約旦死海中溴鎂資源的開發(fā)綜合利用進(jìn)行?解述。

10 、The chemical products are industrial bromine, 2, 6dibromine -4- nitropherylamine, hexabromine dinaphthol etc.───主要產(chǎn)品設(shè)計(jì)生產(chǎn)能力，工業(yè)鹽105萬噸，食用鹽10萬噸，日曬鹽3萬噸，工業(yè)溴1500噸。

11 、The fires also produced debilitating gases such as pyrotoxins, chlorine and bromine, the latter two of which helped to destroy the ozone layer.───大火也制造出有害氣體，如熱毒素、氯與溴，后兩者會破壞臭氧層。

12 、The oxidizer is oxyacid of chlorine, bromine and iodine and salts thereof, and peroxide.───所述的氧化劑是指：氯、溴、碘的含氧酸及其鹽類與過氧化氫。

13 、Determination of the Total Number of Double Bond in PVC by Catalytic Bromine Addition───催化溴加成法測定聚氯乙烯中總不飽和雙鍵的含量

14 、A new method for determining the bromine content in brominated polystyrene was studied.───提出了測定溴化聚苯乙烯中溴含量的方法。

15 、Through a phase-seperation process, the Bromine(Br) doped foams with a typical density of 50 mg/cm3 were synthesized contaning 58.91% Br atom.───在理論密度為50mg/cm3時(shí)摻雜溴原子最大質(zhì)量分?jǐn)?shù)可達(dá)58.91%。

16 、Determining Free Bromine In Air And Industrial Waste gas With Congo Red Oxidation Fading Spectrophotometry───剛果紅氧化褪色光度法測定環(huán)境空氣及工業(yè)廢氣中游離溴

17 、Use of especially hazardous reagents (bromine, chlorosulfonic acid, etc.) may require a rubber apron also.───使用尤其具有危險(xiǎn)性的試劑時(shí)（溴、氯磺酸等等）需要穿上橡膠制的防護(hù)圍裙。

18 、They doped polyacetylene by exposing it in various experiments to chlorine, bromine or iodine.───他們把聚乙炔放在各種實(shí)驗(yàn)環(huán)境里以摻雜氯、溴，或者碘。

19 、Rich bromine is contained in the haloid water of gas fields of Sichuan basin.Bromine is very important for the civil economy.───四川盆地氣田鹵水含有豐富的溴,溴在國民經(jīng)濟(jì)中有十分重要的用途。

20 、Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration.───在溴化反應(yīng)過程中存在分子結(jié)構(gòu)重排，即溴代仲位烯丙基構(gòu)型向溴代伯位烯丙基構(gòu)型發(fā)生轉(zhuǎn)化。

21 、Study on the addition reaction between acetylene and bromine solution───乙炔與溴水加成反應(yīng)的研究

22 、bromine ammonium four cube bases───四丁基溴化銨

23 、Control of bromine content in acetic acid solvent system on PTA unit───PTA裝置中醋酸溶劑系統(tǒng)溴的控制

24 、Sensitivity of ozone to bromine in the lower stratosphere───在平流層下部臭氧對溴的靈敏度

25 、Rubber and rubber products-Determination of bromine and chlorine content-Oxygen flask combustion technique───GB/T9872-1998氧瓶燃燒法測定橡膠和橡膠制品中溴和氯的含量

26 、Both collaborations have also studied the effects of low-energy electron attachment to halo-uracil molecules, in which a halogen atom such as bromine replaces a hydrogen atom.───前述兩項(xiàng)合作研究，也同時(shí)探討低能量電子與鹵化尿嘧啶分子（也就是尿嘧啶分子中的一個(gè)氫原子被溴之類的鹵素原子所取代）結(jié)合后的效應(yīng)。

27 、Industrial chemicals containing chlorine and bromine used in refrigerators and aerosols have been blamed for thinning the layer because they attack ozone molecules, causing them to break apart.───一般認(rèn)為,制造電冰箱冷媒和噴霧劑所使用的化學(xué)原料中所含的氯和溴,是造成臭氧層變薄的主因,因?yàn)樗鼈儠纸獬粞醯姆肿咏Y(jié)構(gòu)。

28 、Soil trace element geochemistry indicates that the area is an organic carbon and bromine negative anomaly area.───土壤微量元素地球化學(xué)表征為有機(jī)碳含量、元素負(fù)異常區(qū)。

29 、Water quality--Determination of volatile phenolic compounds--After distillation with bromine method───GB/T7491-1987水質(zhì)揮發(fā)酚的測定蒸餾后溴化容量法

30 、DEVIATION ANALYSIS FOR BROMINE TEST OF LOW-OLEFINE HYDROCARBON CONTENT OIL───低烯烴油料溴值測定誤差的分析

31 、Making use of a sectional and multi-function grating spectroscope, the bromine tungsten lamp and absorbing pond, an analysis of cosmetics for the property to defend the ultraviolet ray is accomplished.───摘要利用組合式多功能光柵光譜儀、溴鎢燈和吸收池，對遮陽品進(jìn)行光譜特性分析。

32 、Keywords Elementary bromine Absord Active Calcium oxide Calcium bromide;───初級溴;吸收;活性氧化鈣;溴化鈣;

33 、The product includes: 4- bromine biphenyl, 4.4 ' two bromines biphenyl, 2- bromine biphenyl, 3- bromine biphenyl, two acids two acid radical, adipic acid two acid radical and so on many varieties.───產(chǎn)品有：4-溴聯(lián)苯，4.4’二溴聯(lián)苯，2-溴聯(lián)苯，3-溴聯(lián)苯，葵二酸二酰肼，己二酸二酰肼等多個(gè)品種。

34 、Determination for the bromine number of benzole products───GB/T1815-1997苯類產(chǎn)品溴價(jià)的測定

35 、1 - (azobenzene) - 3 - (5 - bromine - 2 - pyridyl) - triazene───1-（對偶氮苯）-3-（5-溴-2-吡啶）-三氮烯

36 、Determination of bromine index for industrial alkylbenzene--Electrometric titration method───GB/T5177.4-1985工業(yè)烷基苯溴指數(shù)的測定電位滴定法

37 、Keywords tetrabromophthalic anhydride;phthalic anhydride;bromine;oleum method;───四溴苯酐;苯酐;溴;發(fā)煙硫酸法;

38 、The brominating agent were used instead of luquid bromine in bromination.───在溴代反應(yīng)中以溴化試劑代替液溴;

39 、a chemical compound containing two bromine atoms bound to another element or radical───二溴化物；含有兩個(gè)溴原子與某元素原子或莖相結(jié)合所形成的二元化合物

40 、Acute toxicity of Strong Chlorine and Bromine Chlorine Hydantotin to fries of Ctenopharyngodon idllus───強(qiáng)氯精和溴氯海因?qū)Σ蒴~魚苗的急性毒性研究

41 、Test Method for Total Bromine Number of Unsaturated Aliphatic Chemicals───不飽和脂化合物總溴值的試驗(yàn)方法

42 、It was said that strengthing supply clean-up effects, especially for liquor flash cleanse tower was a effective method to reduce bromine content in solvent system.───增強(qiáng)捕集洗滌效果，尤其是母液閃蒸洗滌塔的捕集效果是降低溶劑系統(tǒng)溴含量的有效手段。

43 、METHOD:Bromine and sulfonylurea functional groups were introduced into the structure of coumarin,and the hypoglycemic activity of the target compounds was investigated.───方法:運(yùn)用拼合原理,以具有降血糖活性的香豆素為母環(huán),在其結(jié)構(gòu)中引入溴和磺酰脲基團(tuán)并測定目標(biāo)化合物對小鼠的降血糖活性。

44 、extractable organic bromine (EOBr)───可萃取有機(jī)溴污染物（EOBr）

45 、To analyze the market demand of bromine retardant.───分析溴系阻燃劑市場需求。

46 、Via the reaction between the hydroxyl on the surface of activated silica nanoparticles and2-bromoisobutyryl bromine(BSB), the silica nanoparticles which contain initial radical on thesurface(BSB-SiO_2) were obtained.───利用活化納米SiO_2粒子上的羥基與2-溴基異丁酰溴(2-bromoisobutyryl bromide,BSB)反應(yīng),制得了表面帶有引發(fā)基團(tuán)的SiO_2粒子(BSB-SiO_2)。

47 、A chemical compound containing two bromine atoms bound to another element or radical.───二溴化物含有兩個(gè)溴原子與某元素原子或莖相結(jié)合所形成的二元化合物

48 、"QL" the use of trademark products are mainly used in automobile and motorcycle lamp lights as well as bromine tungsten lights, special light source on.───商標(biāo)其使用產(chǎn)品主要用在汽車燈和摩托車燈以及溴鎢燈、特種光源上。

49 、methods for determination of bromine in exhaust gas───廢氣中溴含量分析法

50 、bromine for chemical purposes───化學(xué)用溴

51 、Simultaneous determination of iodine and bromine by ICP-MS with semi-fusion or pressurized dilute ammonia digestion.───半熔或稀氨水封閉溶樣ICP-MS測定碘溴等非金屬元素。

52 、In the wet lab, phenol is tested for pH, solidification point, solubility in water, bromine index, color, and distillation ranges.───在濕的實(shí)驗(yàn)室中，酚為酸堿值，團(tuán)結(jié)點(diǎn)被測試,水，溴指標(biāo)，顏色和蒸餾范圍的溶解度。

53 、Comprehensive utilization of bromine resources according to the specific characters of various brines can provide us a brighter prospect.───充分發(fā)揮各類鹵水溴資源特點(diǎn)，提高鹵水溴資源綜合利用水平，其開發(fā)前景廣闊。

54 、Any of the five nonmetallic elements with similar chemical properties: fluorine, chlorine, bromine, iodine (I), and astatine (At).───周期表VIIa族元素，包括五種化學(xué)性質(zhì)類似的非金屬元素:氟（F）、氯（Cl）、溴（Br）、碘（I）和（At）。

55 、Bromine extraction experiment was carried out through membrane Absorption method with novel polyvinylidene fluoride(PVDF) hydrophobic hollow fiber membrane,using sodium formate as Absorbent.───利用新型疏水性聚偏氟乙烯(PVDF)中空纖維膜及組件,開展膜吸收濃海水提溴過程研究。

56 、The major sanitizers (chlorine, bromine, iodine, trisodium phosphate, quaternary ammonium compounds, acids, ozone) used for vegetable decontamination were summarized. The advantages and disadvantages were also disoussed.───摘要綜述了凈菜常用的消毒殺菌劑如鹵素及鹵素化合物、離子化合物質(zhì)、有機(jī)酸、活性氧化合物等各自的優(yōu)缺點(diǎn)。

57 、The properties of the product was evaluated by efficiency of scale inhibition, bromine value and calcium tolerance.───以防垢率、溴值、鈣容忍度為指標(biāo)對產(chǎn)品進(jìn)行了評價(jià)。

58 、Adding available bromine 25 mg/L to the hospital sewage and allowing it to dwell for 1 h could reduce fecal coli-group in the sewage from >23 800 MPN/L before disinfection to less than 900 MPN.───在醫(yī)院污水中加入有效溴25 mg/L作用1 h,可使污水中糞大腸菌群由消毒前的>23800 MPN/L下降至900 MPN/L以下。

59 、Thiophene reacted with bromine and zinc to produce 3-bromothiophene via substitution and reduction reaction.───噻吩與溴、鋅粉依次發(fā)生取代,還原反應(yīng)生成3-溴噻吩。

60 、In this paper, the extraction of bromine from seawater and brine was studied with new type macromolecule polyvinylidene fluoride (PVDF) hollow fiber gas membrane.───文章以新型高分子材料聚偏氟乙烯(PVDF)為膜,采用中空纖維氣態(tài)膜分離方法對海水及增濃后海水(鹵水)提溴進(jìn)行了探討。

61 、Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine.───鹵素包括氟、氯、溴、磺、砹有化學(xué)聯(lián)系的五個(gè)非金屬元素一族中的任何一個(gè)

62 、Petroleum hydrocarbons-Determination of bromine index -Electrometric titration───GB/T11136-1989石油烴類溴指數(shù)測定法(電位滴定法)

63 、Keywords bromine extracting;vapor distillation method;haloid water;───提溴;蒸汽蒸餾法;鹵水;

64 、Dibromo neopentyl glycol, useful as a reacting fire retardent, is suitable to make unsaturated polyester resin, bromine - containing epoxy resin,etc.───二溴新戊二醇作為一種反應(yīng)型阻燃劑，適用于制造不飽和聚酯樹脂、含溴環(huán)氧樹脂等。

65 、Dynamics and chemistry of tropospheric bromine explosion events in the Antarctic coastal region───在南極沿海岸地區(qū)域?qū)α鲗愉逖跫ぴ鍪录膭?dòng)力學(xué)和化學(xué)狀況

66 、Objective: To summarize clinical efficacy on bromine burns wound treated with MEBO.───摘要目的：總結(jié)美寶濕潤燒傷膏(MEBO)治療溴燒傷創(chuàng)面的臨床效果。

67 、In addition, the brines is often accompanied with several valuable elements such as bromine, iodine, boron, lithium, strontium ,etc.So it has very high economic value.───鹵水除富含鉀組分外,常伴生溴、碘、硼、鋰、鍶等多種有用組分,具極高的經(jīng)濟(jì)價(jià)值。

68 、The flame retardants containing bromine or chlorine also decompose when the polymer decomposes to form volatile combustibles. The halogen escapes with the volatile combustibles and acts in the vapor phase to inhibit flaming combustion.───在聚合物分解時(shí),含有溴或氯的阻燃劑也會分解成可燃性氣體,鹵素也與可燃性氣體一起釋放出,它在氣態(tài)時(shí)會阻止燃燒。

69 、Smith rs solution of bromine───史密斯氏溴溶液

70 、Our main products are: dibromo propane, allene, methanol, ethanol, benzene, acetylene, potassium bromide, bromine, etc..───我公司主要生產(chǎn)產(chǎn)品為:二溴丙烷,丙二烯,甲醇,乙醇,苯乙炔,溴化鉀,溴素等.

71 、The Analysis of the Admixture of Bromine and Hydrobromic Acid───HBr和Br_2混合物的分析

72 、Determination of Total Bromine in Bread Improver by ICP-AES with Microwave Digestion───微波消解-全譜直讀等離子體發(fā)射光譜法測定面包改良劑中總溴的研究

73 、Petroluem distillates and commercial aliphatic olefins-Determination of bromine number-Electrometric titration───GB/T11135-1989石油餾分和工業(yè)脂肪族烯烴溴值測定法(電位滴定法)

74 、Pharmaceutical and Photographic Grade Potassium Bromide、 Ammonium Bromide、Hydrobromic Acid、 Lithium Bromide as well as organic bromine flame retardants including Tetrabromobisphenol A and so on.───醫(yī)藥及照相用溴化鉀、溴化銨、氫溴酸、溴化鋰及有機(jī)溴系阻燃劑四溴雙酚A等。

75 、Among fluorine, chlorine and bromine, bromine has the highest boiling point.───在氟、氯、溴三者中，溴的沸點(diǎn)最高。

76 、A new nonlinear optical crystal-Tri-allylthiourea cadmium bromine (ATCB)[J].───引用該論文 袁多榮,張囡,于文濤,許東,陶緒堂,蔣民華.

77 、Determination of Trace Amounts of Bromine in Rocks and Soils by XRF───XRF法測定巖石、土壤中微量溴

78 、can turn bromine water from brown to colorless.───亞硫酸根離子可把溴由棕色變成無色。

79 、waste liquid from bromine extraction───提溴廢液

80 、Company's main products are phloroglucinol, bromine between anisole, silane and pyridine derivatives, and other six series.───公司主要產(chǎn)品有間苯三酚，間溴苯甲醚，硅烷及吡啶衍生物等六個(gè)系列產(chǎn)品。

溴和四氯化碳互溶嗎

溴和四氯化碳互溶。四氯化碳（carbontetrachloride），有機(jī)化合物，化學(xué)式CCl4。是一種無色有毒液體，能溶解脂肪、油漆等多種物質(zhì)，易揮發(fā)液體，具氯仿的微甜氣味。分子量153.84，在常溫常壓下密度1.595g/cm3(20℃)，沸點(diǎn)76.8℃，蒸氣壓15.26kPa(25℃)，蒸氣密度5.3g/L，標(biāo)準(zhǔn)狀況下是液態(tài)。

溴（英文名：Bromine）是一種化學(xué)元素，元素符號Br，原子序數(shù)35，在化學(xué)元素周期表中位于第4周期、第ⅦA族，是鹵族元素之一。溴分子在標(biāo)準(zhǔn)溫度和壓力下是有揮發(fā)性的紅黑色液體，活性介于氯與碘之間。純溴也稱溴素。溴蒸氣具有腐蝕性，并且有毒。

溴是什么

溴（Bromine）是一種化學(xué)元素，元素符號Br，原子序數(shù)35，在化學(xué)元素周期表中位于第4周期、第ⅦA族，是鹵族元素之一。溴分子在標(biāo)準(zhǔn)溫度和壓力下是有揮發(fā)性的紅黑色液體，活性介于氯與碘之間。純溴也稱溴素。溴蒸氣具有腐蝕性，并且有毒。溴及其化合物可被用來作為阻燃劑、凈水劑、殺蟲劑、染料等等。曾是常用消毒藥劑的紅藥水中含有溴和**。在照相術(shù)中，溴和碘與銀的化合物擔(dān)任感光劑的角色。

中文名

溴

外文名

Bromine

化學(xué)式

Br2

分子量

159.81

CAS登錄號

7726-95-6