... Introduction to the Physical Chemistry of Foods Introduction to the Physical Chemistry of Foods provides an easy-to-understand text that encompasses the basic principles of physical chemistry and their ... foods and their processing Based on the author’s years of teaching and research experience in the physical chemistry of food, this book offers the necessary depth of information and mathematical ... as they represent points of the same temperature, enable the determination of the possible combinations of pressure and volume of an ideal gas at a given tempera- ture The gradient of the isotherms
Ngày tải lên: 26/01/2018, 08:56
... process and contact information of the ad-ministrator Then, the participants obtained a letter of consent from the interviewers in person After the inter-viewee fully understood their rights and ... year of education the mother completed For example, score 11 means the mother completed the second year of high school education but did not graduate from high school, and score 12 means the mother ... included the aforementioned first eight kinds of high-protein-and-high-fiber foods, and the score of this factor was constructed by averaging the frequencies of these eight food groups The second
Ngày tải lên: 29/05/2020, 19:29
Warren s warren the physical basis of chemistry, second edition (complementary science) (2000)
... large number of atoms.All other physical quantities have units that are combinations of the primary units Some of these secondary units have names of their own The most important of these for our ... (Figure 1.3, right) The angle θ is the angle be-tween the vector and the z-axis The angle φ is the angle that the projection of the vector down into the x y-plane makes with the x-axis. Every point ... is there in the Shroud than in a new piece of cloth? Use the midpoint of the age range (AD1325) and use 5730years for the half-life of carbon-14 (b) If the Shroud dated from the crucifixion of
Ngày tải lên: 23/01/2018, 13:32
Biochalcogen chemistry the biological chemistry of sulfur selenium and tellurium
... alter the number of thiol and thioether groups, change thesteric crowding at the sulfur atoms, modify the ligand “bite angle,” alter the S–Hacidity, and change the availability of thioether electron ... in the olfactory epithelium in the nasalcavity In insects the ORs are mainly located on the antennae An odorant willdissolve in the mucus of the olfactory epithelium and then bind to an OR Ratherthan ... MeS(CH2)2SH andMeS(CH2)3SH, where copper could form 5- and 6-membered ring chelates On the other hand, loss of OR activity is seen upon methylation of thethiol group of MTMT in CH2(SMe)2, loss of the
Ngày tải lên: 13/03/2018, 14:47
gender and sex gender sex and culture the importance of gender roles defining gender as already detailed sex is about the physical attributes of women and men gender is about the cultural attribute
... pottery, basketry, and others Both genders tend and milk cattle and other herd animals, plant the fields, tend them during the growing season, and harvest the crops They handle other sundry tasks, ... on the council themselves Trang 7The Question of Matriarchy: The Zapotec Women of Juchitán Another case study are the matrilineal Zapotec of Juchitán, a Mexican village on the Isthmus of Tehuantepec ... promiscuity The second stage was matriarchy; it was evident who the mothers were but not the fathers The third stage was patriarchy: by Roman times the father owned the wife and the children
Ngày tải lên: 10/04/2021, 09:45
The analytical chemistry of cannabis: quality assessment, assurance, and regulation of medicinal marijuana and cannabinoid preparations
... tinctures, and other formulations This overview highlights the importance of these active ingredients in understanding the therapeutic potential of cannabis.Phytocannabinoids are a diverse group of naturally ... enzyme in the flavonoid biosynthesis pathway, is part of the polyketide synthase superfamily and plays a significant role in the development of glandular trichomes in cannabis The activities of polyketide ... in the synthesis of terpenoids, facilitating the production of limonene and other monoterpenoids within secretory cell plastids Additionally, it can combine with isopentenyl pyrophosphate in the
Ngày tải lên: 10/05/2022, 14:57
Physical chemistry of solids basic principles of symmetry and stability of crystalline solids
... research and that of my students and colleagues An understanding of the material of undergraduate Physical Chemistry is assumed, and the avail-ability of more advanced texts in specialized areas of ... some of the basic physical chemistry upon which later chapters are based, i.e., the role of irreducible representations in group theory, the role of the phase rule and the Gibbsian equations in thermodynamics, ... Systems The laws of classical thermodynamics,2 i.e., the zeroth, first and second laws, establish the existence of the macroscopic properties, U ) the internal energy, 5, the entropy, and T, the
Ngày tải lên: 22/05/2022, 14:39
RESEARCH ON THE LIPID CHEMISTRY OF TWO HYDROCORAL SPECIES, Millepora dichotoma AND Millepora platyphylla, IN VIETNAM
... ecosystems in the oceans In tropical seas, they contribute to the formation and protection of thousands of islands, safeguard coastlines, and help maintain the ecological balance of the marine environment ... M.dichotoma and 0.44% dr.w with M.platyphylla The total lipid content of the two species tends to increase in the first months of the year and summer; and decreases in the winter months There was ... From the results of Table 3.2 and Table 3.3, it can be seen that in the total lipid of the two species of hydrocoral, there are 5 main classes: the structural lipid classes are PoL and ST, the
Ngày tải lên: 15/04/2025, 10:09
Tài liệu Male Reproductive Health Disorders and the Potential Role of Exposure to Environmental Chemicals pdf
... the edge of the glans or to the top of the penile shaft In moderate cases the meatus is located lower down the shaft and in severe cases lower still and perhaps even in the perineal region, the ... evaluation of the fetus and of the fetal testis, even if study of the mother (her Trang 20EC exposure, for example) is a possibility Nevertheless, there are several lines of evidence that support the ... must know the full range of such ECs, the level of human exposure to each EC and their dose-response anti-androgenic effect; in the context of TDS the latter has to involve in vivo studies These
Ngày tải lên: 13/02/2014, 10:20
Tài liệu Cancer Pain Management: A perspective from the British Pain Society, supported by the Association for Palliative Medicine and the Royal College of General Practitioners docx
... ablation of the thyroid gland 4.2.1.4 Chemotherapy and hormone therapy Sections 4.1.3 and 4.1.4 describe the palliative role of chemotherapy and hormone therapy This section draws attention to their ... investigation of the neuro-mechanisms of pain, although these can only give insight into part of the overall complexity Nevertheless, they do allow the development and trial of novel therapies Unfortunately, ... description of the pain • the severity/intensity of the pain • the duration of the pain • any aggravating factors • any relieving factors • the effect of pain on function and activities of daily
Ngày tải lên: 14/02/2014, 21:20
Tài liệu Báo cáo khoa học: Basis of recognition between the NarJ chaperone and the N-terminus of the NarG subunit from Escherichia coli nitrate reductase pdf
... enthalpy is the sum of two terms: the reaction enthalpy, independent of the buffer used in the experiment, and another term representing the contribution of the proton ionization of the buffer, which ... NarG(1–15) (Table 2, Fig 5B) The pKa value of the protonable A B Fig 3 Ensemble of the backbone traces of the 20 lowest energy conformers of the solution structure of (A) NarG(1–15) and (B) NarG(1–28). ... common feature of this new family of chaperones It is worth mentioning that the function of these proteins is not restricted to the recog-nition and binding of the N-terminus of the nascent metalloprotein,
Ngày tải lên: 16/02/2014, 14:20
Tài liệu THE PANAMA CANAL CONFLICT BETWEEN GREAT BRITAIN AND THE UNITED STATES OF AMERICA pdf
... Treaty, p 23—The motive for, and the condition of, the substitution of the Hay Bulwer Treaty, p 24—The rules of the Suez Canal Treaty which serve as the basis of the neutralisation of the Panama ... as the basis of the neutralisation of the Canal certain rules, substantially the same as those embodied in the Suez Canal Convention of 1888, and amongst these a rule concerning the use of the ... justified in considering the Canal a part of the region of war and could, therefore, make it the theatre of war The mere fact that Article III of the Hay-Pauncefote Treaty refers to the rules in existence
Ngày tải lên: 17/02/2014, 02:20
Báo cáo khoa hoc:" Influence of an outpatient multidisciplinary pain management program on the health-related quality of life and the physical fitness of chronic pain patients" pps
... months after the beginning of the study in the performance of the step test (p = 0.028 fup2 vs pre) and of the arm holding Page of 10 (page number not for citation purposes) Journal of Negative ... results even though the duration of their therapy program was only weeks This raises the question whether the duration of the IOPP could be decreased Costs are an important factor of pain intervention ... consisted of a theoretical section, painting therapy, medical training therapy (MTT), group psychotherapy, relaxation therapy, medical motion therapy, and physiotherapeutic, psychotherapeutic and/ or...
Ngày tải lên: 11/08/2014, 08:20
research on fabrication and the physical properties of the multi-component ceramics based on pzt and the relaxor ferroelectric materials
... the range from 758 to 1319 and dependence of Zr/Ti ratio When the ratio of Zr/Ti increases the values of increase and reaches a maximum ( = 1319) at Zr/Ti = 48/52, and then decreases While the ... dielectric loss of the material Therefore, the dielectric loss increases, the size of the hysteresis loops increases, the remanent polarization Pr and the coercive field Ec increases[81] When the temperature ... The thesis is a fundamental research have oriented applications The systematic research of the dielectric, piezoelectric and ferroelectric properties contribute further understanding of the physical...
Ngày tải lên: 04/12/2014, 02:54
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 1 docx
... interdisciplinary nature of polymer science and to break the traditional barriers between polymer chemistry and the physical chemistry and physics of polymers Through the description of the structures ... polymers and the reactions used to synthesize them, through the account of their dynamics and their energetics, are conveyed the basic concepts and the fundamental principles that lay the foundations ... the total mass of each family of species (i), their sum i Ni Mi represents the total mass of the sample Thus Mn is equal to the total mass of the sample divided by the total number of moles of...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 2 ppt
... on the one hand, the measurement of the average molar mass of macromolecules and, on the other, the determination of their size and their specific shape The average molar mass of a sample and ... definition, the square of the radius of gyration is the second moment around the center of mass and is defined as the square of the distances between the various entities (i ) and the center of mass ... concentration of the species and of the interaction parameter Figure 4.2 shows the variation of the free energy of mixing ( Gmix ) as a function of the volume fraction of component for various values of the...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 3 ppsx
... denote the mass of the amorphous and crystalline phases and the total mass phases, respectively If V c , V , ρc , and ρ are the bulk volumes and the densities of the crystalline phase and of the ... type of polymer chosen as the backbone and the length of the spacer play a vital role in the formation of mesophases The more flexible the main chain, the broader the range of thermal stability of ... V2 are the volumes occupied by the solvent and the solute, N1 and N2 are the number of molecules of solvent and solute, and M2 is the molar mass of the solute One thus obtains the Van’t Hoff law,...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 4 pptx
... equilibrium occurs in spite of the flow of the mobile phase because of the fast diffusion of the solute molecules in and out of the stationary phase Under standard conditions, the equilibrium constant ... is the angle of transmission of either the diffracted or the scattered beam and λ the wavelength of incident radiation The applicability of the above relation strictly implies the following: The ... the mass of the particle and z represents the number of charges carried Because of their thermal instability and their lack of volatility, polymers cannot be characterized by this technique The...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 5 potx
... substituents determine the rigidity of the polymer chain and, in turn, the value of the entropy term However, the relative variations of the entropy term with the nature of the polymer are less ... , and Eat represent the energies of activation of the overall polymerization, the propagation, the dissociation (first part of initiation), and the termination, respectively The values of Eap and ... The latter occurs nevertheless and determines the kinetic behavior of the systems and in absence of transfer reactions the average molar mass of the sample From a mechanistic point of view, the...
Ngày tải lên: 14/08/2014, 10:20
ORGANIC AND PHYSICAL CHEMISTRY OF POLYMERS phần 6 doc
... possible to calculate the propagation rate constant of free ions (kp− ) The stereochemistry of the propagation step closely depends on the polarity of the solvent and on the nature of the counterion ... under these conditions is thus limited, and most of the reactions involving polymers require the presence of a solvent The lack of solubility of some of the polymers restricts the possibilities of ... effect It is the case for dioxane, which is particularly suitable for the study of the influence of the ionic radius of the cation on the reactivity of the corresponding ion pairs Because of its structure,...
Ngày tải lên: 14/08/2014, 10:20