水和食物对生命是必不可少的。2、basic adj. 基本的，主要的 〔辨析〕指构成事物最重要、最根本部分的。〔例证〕He began to learn the basic principles of chemistry.他开始学习基本化学原理。3、fundamental adj. 基本的，根本的 〔辨析〕指反映事物本质的，强调重要性。〔例证〕In all cases, t...
A series of children's books designed to promote learning about the elements is taking a gambit to find out."C is for Carbon"is the first book in the planned"Adventures in Chemistry"series of"see-it-and-say-it"books,according to author Marilee Summers.The books have the simple goal of...
Essential and contaminant elements concentrations were determined in the muscle tissue of octopus ( Octopus vulgaris), squid ( Loligo vulgaris) and cuttlef... H.M. Lourenco,P Anacleto,C Afonso,... - 《Food Chemistry》 被引量: 78发表: 2009年 Sensory, microbiological, physical and nutritional ...
Serial entrepreneur and blogger James Caan made the case for four elements of leadership, and I completely agree with him. These elements often overlap, so there will be times when you see two are working together to address one problem. In chemistry, we have the Periodic Table of Elements, ...
The aim of this work was to determine the concentrations of some essential and toxic elements in the muscle of ten species of commercial fish consumed in P... ML Carvalho,S Santiago,ML Nunes - 《Analytical & Bioanalytical Chemistry》 被引量: 185发表: 2005年 Determination of essential and non...
Step-by-Step Solution:1. Definition of Essential Elements: - Essential elements are defined as elements that have a specific physiological or structural role in the plant body. These elements are crucial fo
M Bettinelli,U Baroni - 《International Journal of Environmental Analytical Chemistry》 被引量: 35发表: 1991年 The Determination of Chemical Elements in Food This book highlights the role played by atomic and mass spectrometry (with particular reference to atomic absorption spectrometry, inductively cou...
these interactions not only to share information and gather input but also to develop strong “professional chemistry” with each member of the board. • Communicates openly, proactively and transparently: The CEO maintains a strict “no surprises” policy with the ...
Journal of Radioanalytical & Nuclear ChemistryA. G. Gharib,S. G. Mohseni,M. Mohajer,M. Gharib.Bioavailability of essential trace elements in the presence of phytate, fiber and calcium[J].Journal of Radioanalytical and Nuclear Chemistry.2006(1)...
essential elements in the medicinal plant.The information obtained was used to collect and identify the common medicinal plants with the help of a Plant ... OS Adongo 被引量: 6发表: 2013年 Evaluation of essential and non-essential elemental composition of commonly used medicinal plants from distr...