Isotope 1: mass = 35 amu, abundance = 75.77%。 Isotope 2: mass = 37 amu, abundance = 24.23%。 Ar(Cl) = ((35 amu × 0.7577) + (37 amu × 0.2423)) / 12 = 35.45 amu. 中文回答: 碳原子相对质量计算公式。 碳12的相对原子质量定义为精确的12。这意味着一个碳12原子的质量正好为12个原...
Raychaudhuri, P.: The sun C12/C13 abundance ratio and neutrino emis- sion. Astrophys. Space Sci. 13, 231 (1971)Raychaudhuri, P.: Astrophys. Space Sci. 13 , 231 (1971) ADSRaychaudhuri, P.: Astrophys. Space Sci. 13 , 231 (1971)...
These Internet services are【C16】___on the remarkable abundance of sounds and images 【C17】___from video cameras【C18】___on Baghdad and journalists traveling with troops. And they have found a【C19】___audience of American office workers【C20】___their computers during the early combat...
【根】ab离开,surd聋,合理的-不合理的-荒谬的 abundancen.充裕,多量Carpets are available in abundance.可供地毯货源充足。abundance of the heart热情洋溢;感情充沛 【记】参考abound(v.丰富),und-波浪 【类】cornucopia:abundance=mac...
Collared lemmings (Dicrostonyx groenlandicus) fluctuate cyclically in abundance on the Kent Peninsula, Northwest Territories, Canada. We tested whether pre... DJ Wilson,KT Sinclair - 《Oikos》 被引量: 274发表: 1999年 Variation of sex ratio within very large sibships (letter; comment) Collared ...
Natural abundance values of plant delta(15)N give an indication as to the source of nitrogen. In particular, carnivorous plants are expected to be relatively enriched due to trophic enrichment of their prey. Values of delta(15)N for adult Roridula gorgonias (mean + 3.02 parts per thousand,...
Part 01 1.abnormally adv.不正常地 2.abundance n.大量,盛产 3.absolutely adv.绝对地 高考原句: The absolute most important skill that you learn when you play chess is how to make good decisions. (2018·新课标卷I) 4.accidentally adv...
Infrared absorption has been reported in relevance to the abundance of hexatriyne, C6H2, and octatetrayne, C8H2, in the atmosphere of Titan [11,12]. In this case, vibrational modes associated with heteronuclear, dipolar CH bonding are detectable, i.e., the asymmet- ric CH stretching σ...
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ABUNDANCE AND SEASONALITY OF THE SAVANNA AVIFAUNA AT PORT MORESBY, PAPUA NEW GUINEA 来自 Wiley 喜欢 0 阅读量: 17 作者: H.,L.,BELL 摘要: SummaryThe results of 156 transect counts carried out over 30 months in savanna of the Coastal Hill Zone, Port Moresby, Papua New Guinea, are analysed...