Sentences with phrase «understanding of chemical reactions»

Such images could give a deeper understanding of chemical reactions, and may help researchers size up molecules for use as electrical components in tiny circuits.

Not exact matches

When you understand the vast number of possible chemical reactions per liter per second and the truly large number of attempts (coin flips) that really entails — you will find that the «Law of Averages» and statistics are not on your side.

I think if you love being a Mum and love your child so much like you say, you will love a second child, i can understand not loving all children of course, but it is built in you to love your own, its a chemical reaction.

(Reuters)- Government scientists have not been able to replicate a chemical reaction suspected of causing a radiation leak at a U.S. nuclear waste dump in New Mexico, complicating efforts to understand what went wrong, a U.S. Energy Department official said Friday.

Toward High School Biology — Developed with support from the U.S. Department of Education's Institute of Education Sciences and in partnership with BSCS, AAAS Project 2061 has developed and tested an innovative eight - week curriculum unit designed to integrate physical and life science concepts to help middle school students understand chemical reactions and their role in the growth and repair of living organisms.

To help make ideas about energy more concrete, for example, the new unit will use a variety of analogies from more familiar physical systems (e.g., combustion and charging a cellphone battery) to help students understand those same energy - releasing and energy - requiring chemical reactions and energy transfer when they occur in living organisms (e.g., cellular respiration, creating a charge across a membrane in mitochondria and nerve cells) where the reactions are more complex and difficult to observe.

Consistent with recommendations in the Next Generation Science Standards, the new THSB unit is designed to help students understand and use scientific practices of reading scientific texts, analyzing and interpreting data, building and using models, and constructing explanations along with a coherent set of core ideas about chemical reactions to make sense of interesting physical and life science phenomena.

Learning about chemical reactions is essential for advanced chemistry studies and, increasingly, to understand the chemistry of life itself.

They were part of an effort to understand chemical reactions that must have unfolded over millennia on early Earth.

We thus have to lean over our saucepans, and a bit further still, over the microscopic and molecular scales, to understand the numerous physical and chemical reactions and processes that lead to a meat cooked but tender, a puffed - up sponge cake, a soufflé full of air, a dish of crunchy vegetables.

If researchers can capture and understand these molecular exchanges, they might be able to produce a kind of phrase book of chemical reactions.

RNA, widely known as a cellular messenger that makes proteins and carries out DNA's instructions to other parts of the cell, is now understood to perform sophisticated chemical reactions and is believed to perform an extraordinary number of other functions, at least some of which are unknown.

«With LCLS - II, we'll be able to bring the motions of atoms much more into focus, which will help us better understand the dynamics of crucial chemical reactions.»

«We can say with a high degree of certainty that we now understand the role of each of the components and what they do during this catalytic reaction,» said Lars Grabow, assistant professor of chemical and biomolecular engineering at the University of Houston.

And their detailed understanding of the underlying reaction mechanism should enable the LMU researchers to apply this relatively simple way of controlling molecular motions to other types of chemical switches.

The results are of fundamental relevance to understanding the interactions between light and matter and will make it possible to control electron movements and chemical reactions to an extent that was previously not feasible.

In a recent study appearing in Nature Publishing Group's Scientific Reports, the researchers focused on the properties of schreibersite and conducted experiments with the mineral to better understand how — in a chemical reaction with the corrosive effects of water called «phosphorylation» — schreibersite could have provided the phosphate important to the emergence of early biological life.

Measuring temperature distributions within a reactor is crucial to understanding the energetics of a chemical reaction as reacting gases flow over a catalyst and to optimizing reactor design.

In the high school unit, Roseman noted, similar atomic and molecular models are also used but in conjunction with bar graphs and energy transfer diagrams to help students understand that the energy changes they observe during chemical reactions are associated with changes in the arrangement of atoms.

Research studies on effective learning show that students lack ways to conceptualize chemical reactions, and NGSS calls for students to develop an understanding of energy principles that they can apply consistently across life and physical science.

Fischer notes that high - resolution AFM imaging was first performed by Gerhard Meyer's group at IBM Zurich, «but here we are using it to understand the results of a fundamental chemical reaction.»

Herrmann Abell, C. F., Flanagan, J. C., & Roseman, J. E. (2014, March) Evaluating the promise of an intervention that helps students understand chemical reactions in living systems, Paper presented at the Annual International Conference of the National Association for Research in Science Teaching, Pittsburgh, PA..

Understanding how particles mix in fluids has a number of important applications — among them modeling chemical reactions and cloud dynamics.

The research, published in the 24 April issue of Nature, might lead to advances in understanding chemical reactions behind metabolism, biological clocks, and development.

The chemical mechanism, discovered by scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley, could also broaden our understanding of basic chemical reaction processes involving common helpers, called catalysts, like copper and gold.

In order to fully understand the dynamics during a chemical reaction, scientists must be able to study all movements of atoms and molecules on their basic time scale.

These processes are the key to understanding chemical and biochemical reactions, as it is the «redistribution» of electrons that is involved in the formation of new chemical bonds.

We have the scientific expertise to understand the challenges of our customers» chemical reactions and processes, alongside the commercial proficiency to advise on the right way forward for every project.

To understand weathering, water quality, and soil formation on Earth and Mars, look no further than associate professor of geoscience Elisabeth «Libby» Hausrath, who investigates chemical interactions between water and rocks as well as the plant and microbial influences on those reactions.

But optimizing energy production depends on understanding and perfecting the use of catalysts, which cause chemical reactions that break down the molecules of raw materials like oil to create fuel such as gasoline.

Such detailed understanding constitutes a fundamental milestone in the analysis of chemical reactions that was achieved through the synergy between single - molecule visualization of chemical reactions and state - of - the - art high - performance computer modeling.

Their eventual aim is to gain a better understanding of the sites that most effectively bring about chemical reactions important for industrial uses.

Solvent exchanges on solid surfaces and dissolved ions are a fundamental property important for understanding chemical reactions, but the rates of fast exchanges are poorly constrained.

A greater understanding of the dynamics of chemical reactions is leading to better models of atmospheric chemistry.

By understanding the details of this motion, one can determine the amount of energy needed to transform reactants into products in a chemical reaction, or the color of light absorbed by a molecule, and ultimately accelerate the design of new drugs and materials, better catalysts and more efficient energy sources.

At the 246th National Meeting & Exposition of the American Chemical Society (ACS), numerous teams from Pacific Northwest National Laboratory shared their progress in understanding the fundamental reactions needed to ease our reliance on fossil fuels.

Understanding the chemical reactions that can create tiny molecular cages that hold other «guest» molecules — structures called clathrates — is key to creating a new generation of electronic devices and possible energy materials.

His assembly of a multidisciplinary team in 2008 to integrate computational, analytical and experimental approaches to understand chemical reaction and transport phenomena resulted in the establishment of the Fluid Interface Reactions, Structures and Transport, or FIRST, Center, a DOE Energy Frontier Research Center.

The concept was born out of a thorough study and understanding of each digestive enzyme's particular properties, role and action, and the chemical reactions that occur when enzymes mix with the foods we ingest.

Yet, for a different learning objective — for instance, understanding the cause and effect of a specific chemical reaction — involving that same student in collaborative problem solving might be the most effective learning approach.»

The unit was «student - centered, hands - on, and phenomenon - based in which students explored four chemical reactions with increasing sophistication with the aim of helping them acquire a deep understanding of the target [science] standard / benchmark» (p. 921).

No prior understanding of chemistry or chemical reactions is needed — in fact, the game bends the truth when it comes to molecule bonding every now and again — and you will no doubt come away from each session with a few more brain cells than you had before play.

If the theory isn't correct then it undermines our understanding of the science of atoms, the electromagnetic spectrum, isotopes, fluid dynamics and chemical reactions.

VOCs are almost unheard of in Manufactured gasoline and is usuallythe result of additives added to gasoline (such as lead in oldervehicles) or a malfunction where parts could allow mixing of fluids Repeat: The Combustion process is a Exothermic reaction that turnsgasoline mist into Heat and Force as understood by modern Chemistryand Mechanical Engineering, not «Carbon Dioxide and water» as 18thcentury Chemical Theory still lectured on in the field of Physicsclaims

Some of the key qualifications that the Resume Format should highlight include acquaintance with statistical tools, knowledge of computer programs required for maintaining lab database, command on chemical reactions, and understanding of lab safety protocols, lab maintenance, and other such skills.

The skills, potentials and credentials of a process engineer are finely polished to work with any kind of chemical, biochemical, physical and biological processes and carry out laboratory works to understand the reactions.