কোরিয়ানএর অভিধানে 붕소 এর সংজ্ঞা
ধাতব উপাদানবিশেষ এলিমেন্ট গ্রুপ B- এ 10.8 g / mol এর একটি পারমাণবিক ওজন থাকে, গলে যাওয়া বিন্দুটি 2076 ডিগ্রী সেন্টিগ্রেড এবং উঁচুমানের পয়েন্ট হল 39২7 ডিগ্রি সেন্টিগ্রেড। এটি ব্যাপকভাবে বোরিক এসিড বা বোরট হিসাবে প্রকৃতিতে বিতরণ করা হয়, এবং অ্যামোফাফ বাদামি গুঁড়ো এবং আইসোটোপ হিসাবে ক্রিস্টালিন কালো সলিড থাকে। 붕소
주기율표 13족에 2주기에 속하는 알루미늄족 원소로 원소기호는 B, 원자량은 10.8g/mol, 녹는점은 2076℃, 끓는점 3927℃이다. 자연계에 붕산 또는 붕산염으로서 널리 분포하며 동소체로 비결정성인 갈색 분말과 결정성인 흑색 고체가 존재한다.
কোরিয়ান এর অভিধানে «붕소» এর
আসল সংজ্ঞা দেখুন এ ক্লিক করুন।
বাংলাএ সংজ্ঞার
স্বয়ংক্রিয় অনুবাদ দেখুন এ ক্লিক করুন
«붕소» এর সঙ্গে সম্পর্কিত কোরিয়ান বই
নিম্নলিখিত গ্রন্থপঞ্জী নির্বাচনে
붕소 শব্দটির ব্যবহার খুঁজুন। কোরিয়ান সাহিত্যে
붕소 শব্দের ব্যবহারের প্রসঙ্গ সম্পর্কিত বই এবং তার থেকে সংক্ষিপ্তসার।
The updated 2nd edition of this accessible and in-depth resource firmly relates molecular and cellular biology to the study of human physiology and disease.
Walter F. Boron, Emile L. Boulpaep, 2008
2
Boron and Its Role in Crop Production - 144페이지
Barber, S.A., Boron deficiency in Indiana soils. Purdue Univ. Agric. Exp. Sm. Res. Bull. 652. Lafayette. Indiana, 1957. Bates, T.E., Factors affecting critical nutrient concentrations in plants and iheir evaluation: a Review, Sail Sci., 112, 116.1971.
This trilogy establishes a provenance for the Holy Grail and, through the figure of Merlin, links Joseph of Arimathea with mythical British history and with the knightly adventures of Perceval's Grail quest.
Robert de Boron, Nigel Bryant, 2003
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Boron Hydrides - 112페이지
William N. Lipscomb. Molecular-orbital ' _ * Three-center Molecule Atoms H "1 bond“ 58". 1.2 0.23 0.14 0 8.11" 1,3 0.04 0.14 0 2,4 0.15 0.03 0 Ba"; 1 —0.23 —0.36 —0.78 2.33.5 0.19 0.25 0.20 81H“ 2,5 009 —0.14 —0.06 3.4 0.19 0.24 0.33 1 ...
William N. Lipscomb, 2013
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Principles of heat treatment of steels - 189페이지
^INTRODUCTION Boron is added to steels primarily to increase their hardenability . Effect of boron on the hardenability of steels is unique in a number of respects: (i) very small additions of boron, approx. 5 to 30 ppm by weight, have a ...
6
Contemporary Boron Chemistry
Comprehensive and up to date, graduates and researchers in a wide range of fields will welcome this book.
Matthew Davidson, Royal Society of Chemistry (Great Britain), 2000
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Joseph of Arimathea: A Romance of the Grail
Written around 1200 A.D., probably in monastic circles, this is one of the earliest accounts of the Grail and its importance. It traces the cup from the Last Supper into the company formed by Joseph of Arimathea.
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Advances in Plant and Animal Boron Nutrition: Proceedings ...
Proceedings of the 3rd International Symposium on all Aspects of Plant and Animal Boron Nutrition Fangsen Xu. K has been demonstrated to inhibit B uptake by oil palm (Rajaratnam, 1973b) whereas N fertilization may increase palm growth ...
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Herb, Nutrient, and Drug Interactions: Clinical ... - 458페이지
Increased boron intake may contribute to elevated levels of estradiol (and testosterone). Coadministration of boron and estrogen enhancement therapies could provide synergistic benefit toward preventing bone demineralization, limiting bone ...
Mitchell Bebel Stargrove, Jonathan Treasure, Dwight L. McKee, 2008
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Boron in Plant and Animal Nutrition - 41페이지
In experiment one, they cultured the embryos in media containing 10 ug B/L, in experiment two the media contained ~0.05 pig B/L. In experiment one, when compared to embryos from the boron-supplemented mice, embryos from the ...
Heiner Goldbach, Benjavan Rerkasem, Monika A. Wimmer, 2012
10 «붕소» শব্দটি আছে এমন সব সংবাদ
জাতীয় ও আন্তর্জাতিক সংবাদের ক্ষেত্রে
붕소 শব্দটি নিয়ে কি বলা হয়েছে এবং নিম্নলিখিত সংবাদে কোন প্রসঙ্গে
붕소 শব্দটি ব্যবহার করা হয়েছে।
호주 연구팀, 기름유출사고 방제용 신물질 개발
호주 멜버른의 디킨대학교 연구팀은 이 신물질이 '백색 흑연'으로 널리 알려진 질화붕소(boron nitride)의 새로운 형태라며 '질화붕소 나노시트(nanosheet)'라고 소개 ... «연합뉴스, নভেম্বর 15»
길병원-다원메닥스, 붕소중성자 방사선암치료기 공동 개발
가천대 길병원과 가천대 뇌과학연구원, (주)BRC, (주)다원메닥스, (주)다원시스는 지난 4일 오후 안산에 위치한 다원메닥스에서 '의료용 가속기-붕소중성자 ... «메디포뉴스, নভেম্বর 15»
정읍 투자결정 다원시스 '꿈의 암치료기' 개발 착수
이곳에 가속기를 통해 중성자를 조사하면 암세포 안의 붕소에서 핵반응이 일어나 엄청난 에너지가 발생하고 이 에너지는 8~9㎛(마이크로미터) 안에서만 작용을 ... «뉴시스, নভেম্বর 15»
길병원 붕소중성자 방사선암치료기 개발 나선다
가천대 길병원과 가천대 뇌과학연구원, (주)BRC, (주)다원메닥스, (주)다원시스는 4일 오후 안산에 위치한 다원메닥스에서 '의료용 가속기-붕소중성자 ... «디지틀보사, নভেম্বর 15»
신소재 전자기판으로 반도체 동작속도 150배 높인다
연구진은 이 연구에서 6각형 벌집구조 질화붕소(h-BN)로 전자소재나 소자를 성능 손실 없이 구현할 수 있는 대면적 2차원 절연체 기판 만드는 데 성공했다. «데일리한국, অক্টোবর 15»
김포시, 배추 붕소결핍증 관리 및 배추순나방 방제 철저히!
[한인협 = 조희선 기자] 김포시농업기술센터(소장 국순자)는 최근 배추 결구기를 맞아 관내 배추 생육상태를 점검한 결과, 고촌읍, 통진읍 등에서 붕소결핍증과 배추순 ... «한국인터넷언론인협동조합, সেপ্টেম্বর 15»
국내연구진, 이차원 재료 결함 형성 원리 규명
울산과학기술대학교(UNIST·총장 조무제) 이종훈 교수 연구팀은 세종대학교 홍석륜 교수 연구팀과 공동으로 질화붕소에 전자빔을 쏘아 삼각형으로 결함이 생기는 ... «뉴시스, জুন 15»
0.25나노미터…원자 하나 두께만 한 반도체 개발
연구팀은 전도체인 그래핀에 절연체의 특성이 있는 질화붕소를 2차원 합금 형태(두 소재를 포갠 형태)로 만들어 실리콘카바이드 기판에 0.25나노미터의 단결정 ... «데일리한국, জুন 15»
이렇게 얇을 수가! 원자 5개 두께 반도체 소자 개발
전자가 빠져나가는 현상을 막아주는 질화붕소 절연층(하늘색), 전기를 흘려보내는 도체 역할을 하는 그래핀(주황색), 그리고 전자 이동을 조절하는 반도체인 이황화 ... «동아사이언스, এপ্রিল 15»
방사선으로 분장한 다이아몬드, 정체를 밝히라
순수한 탄소로 구성돼 있는 다이아몬드에는 미량의 질소, 붕소, 수소 등이 들어 있기도 하다. 보석학계에서는 질소가 있고 없고에 따라 다이아몬드 타입을 크게 둘로 ... «한겨레, ডিসেম্বর 14»
