Chemical examination

This work aims to investigate the mechanism of Pd nucleation and growth onto glassy carbon electrode from ChCl/urea/palladium mixture at room temperature using cyclic voltammetry (CV) and chronoamperometry (CA) techniques. Furthermore, X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy were used to examine the crystalline structure, morphology and compositions of deposited Pd samples.

14p viambani 18-06-2024 4 1   Download

Ebook "Fundamentals of soil science (8th edition)" revision of a bestselling text shows that soil is three-dimensional and dynamic. This concept is developed in the first two chapters and is built on throughout the book. Chapters 3 through 7 explore soil physical properties and water, with expanded coverage of tillage and traffic and an increased emphasis on water and wind erosion processes. Chapters 8 through 11 discuss the biological aspects of soils as well as their mineralogical and chemical properties.

382p giangdongdinh 28-05-2024 4 1   Download

The biological activities of E. ciliata essential oils (Ec EOs) in Vietnam have yet to be thoroughly studied and have received less attention than other species of genus Elsholtzia in the world. In this study, we evaluated the antioxidant, antimicrobial, and anticancer of Ec EOs and examined their chemical compositions. Fresh leaves of E. ciliata were hydro-distilled to yield essential oil of 0.82% dry weight, respectively.

12p dianmotminh02 03-05-2024 4 1   Download

Magnolia citrata Noot. & Chalermglin was collected in the Central Highlands of Vietnam and examined for its essential oils’ chemical compositions and antimicrobial activities. The essential oils were obtained from the leaves, twigs, and stem barks of M. citrata using hydrodistillation, then analyzed using Gas Chromatography-Mass Spectrometry (GC-MS) and evaluated for antimicrobial activities.

10p dianmotminh02 03-05-2024 1 1   Download

Three chalcones with a 2,3-dihydrobenzofuran linkage were analyzed by applying the density functional theory (DFT) and B3LYP approach with the 6-311G(d,p) basis set in this report. Spectroscopic and theoretical analyses were used to examine the structures of these three chalcones. The chalcone molecules' HOMO-LUMO energy was determined. Chemical reactivity parameters and molecular electrostatic surface potential (MESP) plots were obtained to gain useful insight into the distribution of charge density.

11p dianmotminh02 03-05-2024 3 2   Download

Ebook "Chemistry of polymeric metal chelates" deals with the chemistry of polymeric metal chelates. The main results and the production and chemical structure of polymers with chelate units as well as the specificity of metal complex binding of different structure are presented here. This book also reveals the transformations which components undergo in the course of chelation. Special attention is paid not only to synthetic but also to natural (including living) systems. The usage of polymeric metal chelates and their development are examined.

1036p tracanhphuonghoa1007 22-04-2024 5 3   Download

Ebook "Peanut processing characteristics and quality evaluation" systematically covers the sensory, physical, chemical nutrition, and processing characteristics of different peanut varieties, while also providing an in-depth review of research advances in peanut processing quality. The book goes on to examine the relationship between raw materials and the qualities of peanut protein, peanut oil and other main peanut processing products.

559p tracanhphuonghoa1007 22-04-2024 3 3   Download

Ebook "Environmental engineering: Review for the professional engineering examination" will help the reader expand further into chemical engineering and become a licensed professional engineer (PE), which can offer a tremendous boost to one’s career, as there are certain career opportunities available only to licensed engineers. Licensure demonstrates high standards of professionalism, knowledge, and ability.

275p coduathanh1122 27-03-2024 2 1   Download

Ebook "The chemical history of color" details the history of color from the chemical point of view. Beginning with the first recorded uses of color and ending in the development of our modern chemical industry, this rich, yet concise exposition shows us how color pervades every aspect of our lives. Our consciousness, our perceptions, our useful appliances and tools, our playthings, our entertainment, our health, and our diagnostic apparatus – all involve color and are based in no small part on chemistry.

164p coduathanh1122 27-03-2024 2 1   Download

Ebook "Total diet studies" introduces the TDS concept to a wider audience and presents the various steps in the planning and implementation of a TDS. It illustrates how TDSs are being used to protect public health from chemicals in the food supply in many developed and developing countries. The book also examines some of the applications of TDSs to specific chemicals, including contaminants and nutrients.

549p coduathanh1122 27-03-2024 3 1   Download

Ebook "Histories of the electron: The birth of microphysics" is organized in four parts. The first part, Corpuscles and Electrons, considers the varying accounts of Thomson's role in the experimental production of the electron. The second part, What Was the Newborn Electron Good For, examines how scientists used the new entity in physical and chemical investigations. The third part, Electrons Applied and Appropriated, explores the accommodation, or lack thereof, of the electron in nuclear physics, chemistry, and electrical science....

529p coduathanh1122 27-03-2024 7 1   Download

Ebook "From the molecular World: A nineteenth-century science fantasy" provided an examination of the chemistry and physics of his day that was always light-hearted on the surface, but often surprisingly profound. Properly interpreted, the book provides a revealing tour of nineteenth-century debates concerning chemical theory. It is here translated into English, richly annotated, and equipped with an illuminating preface by a leading historian of chemistry. It provides entertaining reading to practicing chemists, as well as new insights to historians of science.

111p manmanthanhla0201 26-02-2024 5 1   Download

Ebook "Hands-on chemical ecology: Simple field and laboratory exercises" is a premiere collection of practical exercises in chemical ecology, offers tools and strategies for understanding this young science. The exercises included use general principles and follow a simple structure. Topics examined include birds, fish, insects, mammals, and plant chemistry among others.

153p tachieuhoa 28-01-2024 8 2   Download

Ebook "Polymer chemistry: The basic concepts" provides a well-rounded and articulate examination of polymer properties at the molecular level. It focuses on fundamental principles based on underlying chemical structures, polymer synthesis, characterization, and properties.

736p loivantrinh 29-10-2023 5 2   Download

Ebook "Polymer chemistry (Second edition)" provides a well-rounded and articulate examination of polymer properties at the molecular level. It focuses on fundamental principles based on underlying chemical structures, polymer synthesis, characterization, and properties. Consistent with the previous edition, the authors emphasize the logical progression of concepts, rather than presenting just a catalog of facts.

597p loivantrinh 29-10-2023 7 2   Download

Part 1 book "Basics of wildlife health care and management" includes content: Indian wildlife, taxonomical classification of wildlife, biological features of wildlife, population and habitat management, ethology animal behaviour, health monitoring and evaluation in free living wild animals, physical and chemical restrains, transportation; health examination and recording of vital signs,... and other contents.

162p oursky07 24-10-2023 7 4   Download

This research has been initiated to examine the effectiveness of DCBRN-01VN lotion in degrading some readily available organic phosphorous (OP). UPLC-MS/MS technique was used to measures the amount of residual pesticide via selected ion monitoring. The results showed that lotion effectively degrades OP expediently.

12p viengels 25-08-2023 8 3   Download

Part 2 book "Textbook of forensic medicine and toxicology" includes content: Medicolegal examination of the living, medical education vis-à-vis medical practice, medical negligence, consent to and refusal of treatment, impotence, sterility, sterilisation and artificial insemination, basic considerations in drugs/chemicals, nonmetallic and metallic irritants, corrosive poisons, somniferous group.

290p oursky03 21-08-2023 3 2   Download

A nitrogen dioxide (NO2) gas sensor based on the blend of copper phthalocyanine-tetrasulfonic acid tetrasodium/tris-(8-hydroxyquinoline)aluminum (CuPcTs/Alq3) thin films was fabricated. The effect of chemical surface treatment with toluene on the structural, surface morphology and device sensitivity has been examined.

8p viberbers 09-08-2023 3 3   Download

Ebook "Practical problems in soil mechanics and foundation engineering - Volume 2" discusses the problems of weed control in sugarcane against the background of world-wide cultivation, with emphasis on Taiwan's intensive pattern of crop farming. After a brief botanical description of sugarcane and its cultivation in relation to weed control, the weeds themselves are studied. Chemical control of weeds, problems of crop tolerance and responses of weed species to chemicals are examined.

262p dieptieuung 19-07-2023 5 3   Download