... variable, the pressure is the vapor pressure The vapor pressure is a function only of temperature, and it is independent of the volume of the system or of the amounts of phases present If pressure ... vapor is the critical temperature Above this temperature liquid and vapor not exist as separate phases Thus, a substance does not have a vapor pressure (or boiling point) above its critical temperature ... Practical handling of any fluid requires knowledge of its vapor pressure, and vapor pressure (or boiling point) is invariably among the first properties measured for any substance Chemists and chemical...
Ngày tải lên: 01/04/2014, 10:11
... E1719 “Standard Test Method for Vapor Pressure of Liquids by Ebulliometry” ͓8͔, and ASTM D2879 “Standard Test Method for Vapor Pressure -Temperature Relationship and Initial Decomposition Temperature ... D2878—Estimating Apparent Vapor Pressures and Molecular Weights of Lubricating Oils ͓4͔ ASTM D2879 Vapor Pressure -Temperature Relationship and Initial Decomposition Temperature of Liquids ... ͑Vacuum Potstill Method͒” ͓5͔ Vapor Pressure Measurement The vapor pressure measurement test methods covered in this manual are: ASTM D323 “Standard Test Method for Vapor Pressure of Petroleum Products...
Ngày tải lên: 01/04/2014, 11:24
Báo cáo y học: "Effect of Acute Administration of an Herbal Preparation on Blood Pressure and Heart Rate in Humans"
... in heart rate, and systolic and diastolic blood pressures for up to five hours Of interest is the fact that Min et al [18] used this same product in a similarly designed study and saw no effect ... used in weight loss and weight management products in combination with caffeine, polyphenolics, and other constituents [4-7] These products are designed to promote thermogenesis and increase metabolism, ... thermogenesis and increase metabolism, suppress appetite, and/ or slow the absorption of fats and carbohydrates [5] In spite of their widespread use and the lack of credible reports regarding adverse...
Ngày tải lên: 25/10/2012, 11:10
English grammar and composition by wren&martin
... spoonfuls and handfuls, because spoonful and handful are regarded as one word Note that the Proper Nouns Brahman and Mussulman are not compounds of man; therefore their plurals are Brahmans and Mussulmans ... British and American English 471 Appendix - II General Review of Grammar 475 An authentic and useful solution of this book entitled "A Key to Wren and Martin's High School English Grammar and Composition ... placing a word before or after; as, Masculine Feminine Grandfather grandmother Greatuncle greataunt Manservant maidservant Landlord landlady milkman milkwoman peacock peahen salesman...
Ngày tải lên: 20/11/2013, 01:43
Tài liệu Báo cáo khoa học: "Deriving Verbal and Compositional Lexical Aspect for NLP Applications" pptx
... which our LCS composition draws, allows us to represent verbal and sentential lexical aspect as monotonic composition of the same type, and to identify the contribution of both verbs and other elements ... Cambridge and New York Weinberg, Amy, Joseph Garman Jeffery Martin and Paola Merlo 1995 Principle-Based Parser for Foreign Language Training in German and Arabic In Melissa Holland, Jonathan Kaplan and ... (Levin and Rappaport Hovav, To appear) and references therein) Examples are discussed below Following Grimshaw (1993) Pinker (1989) and others, we distinguish between semantic structure and semantic...
Ngày tải lên: 22/02/2014, 03:20
Báo cáo khoa học: Adenine, a hairpin ribozyme cofactor – high-pressure and competition studies potx
... for living cellular and viral species, encouraged us to focus on the activity and persistence of RNA under extreme conditions of hydrostatic pressure, osmotic pressure, and temperature [32,33] ... of osmotic pressure kP and kO are, respectively, the observed rate constants of the reaction under osmotic stress and standard conditions, K the Boltzmann constant, and T the absolute temperature ... adenine and application of pressure In the second, ADHR1 was preincubated with adenine for 10 before addition of MgCl2 and application of pressure The results obtained are shown in Figs and The...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: Pressure and heat inactivation of recombinant human acetylcholinesterase Importance of residue E202 for enzyme stability pdf
... of pressure and thermal stability High hydrostatic pressure and temperature are known to exert antagonistic effects on weak interactions It is accepted that formation of hydrophobic contacts and ... cell compartment of the temperaturecontrolled high -pressure vessel After pressure release, fluorescence emission spectra of free and bound ANS were recorded between 400 and 550 nm using an SFM ... buffer at each pressure No significant change in free ANS fluorescence was observed after pressure release For each pressure, at least two spectra were recorded and averaged Irreversible pressure- induced...
Ngày tải lên: 08/03/2014, 10:20
WHOLE AND PROCESSED COTTONSEED WITH ADDED FIBER ON RUMEN VARIABLES, MILK PRODUCTION AND COMPOSITION pdf
... Page Composition of Diets—Exp 23 Nutrient Composition of Feed Ingredients—Exp 24 Composition of Diets—Exp 26 Nutrient Composition of Feed Ingredients—Exp 27 Composition of Seed Pellets 28 Milk and ... acetate concentrations (Mattos and Palmquist, 1974; Palmquist and Conrad, 1978; Seiner and Shultz, 1981) and increased propionate (Palmquist and Conrad, 1978; Seiner and Shultz, 1981) This does ... (1914) and McCandlish (1921) reported trends towards decreased milk yields and percent fat x e CSM replaced linseed meal >hn (LSM) and( or) wheat bran and an overall increase in percent and yield...
Ngày tải lên: 08/03/2014, 22:20
Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties
... with the pore surface and the atomic Si has absorbed and exchange energy and momentum with the atom, causing overcooling at the surface Because the precipitation, nucleation and growth of SiNWs ... on to the standard silicon supporter and the spectrum was obtained using a D/MAX-2400 X-ray diffractometer The field emission measurements were carried out in a vacuum chamber at a pressure of ... surface and the M Lu et al / Chemical Physics Letters 374 (2003) 542–547 change in diameter along its length is seldom observed The SiNWs are virtually defect-free and show no kink, dislocation and...
Ngày tải lên: 16/03/2014, 15:08
Diffusion controlled growth of semiconductor nanowires vapor pressure versus high vacuum deposition
... earlier works, for example, by Dittmar and Neumann [25], Ruth and Hirth [26] and Blakely and Jackson [27] While in a given growth experiment the wire lengths and diameters are anyway dictated by ... at fixed f(R) but at different temperatures T and fluxes V Some data and on the L(T) and L(V) dependencies of MBE grown Ga(Al)As nanowires have been recently obtained and modeled in Refs [24,18] ... surface temperature and decreases with the deposition flux and is limited pffiffiffiffiffiffiffiffiffiffiffiffiffi by the values of 1/(2phRiNW) or 1= 2pN W , both decreasing with the density of drops NW The temperature and...
Ngày tải lên: 16/03/2014, 15:32
Báo cáo " WATER VAPOR FEEDBACK AND GLOBAL WARMING " pot
... surface is ocean, and evaporation E from the ocean can be modeled as proportional to the difference between the saturation vapor pressure at the surface temperature T* and the vapor pressure in the ... SODEN and CO2, and dividing up the atmosphere in the vertical into a number of layers N, we can think of R as a function of the surface temperature and of the temperature and the water vapor pressure ... surface temperature, δ T is the temperature change ˜ normalized by δT*, and δ e is the vapor pressure change normalized by the vapor pressure change required to maintain fixed H The kernels Q k and...
Ngày tải lên: 17/03/2014, 19:20
Báo cáo Y học: Structural and compositional changes in very low density lipoprotein triacylglycerols during basal lipolysis potx
... the basis of the knowledge of the fatty acid composition of the sn-1, sn-2 and sn-3 positions of the acylglycerols, assuming 1-random, 2-random and 3-random distribution [27] The molecular associations ... rats there was less 16:0–16:1 and 16:1–16:1 in both sn-1,2- and sn-2,3diacylglycerols and less 18:0–18:1 and 18:1–18:2 in the sn-1,2-diacylglycerols and 16:0–18:2 and 16:1–18:2 in the sn-2,3-diacylglycerols ... Triton WR1339 on plasma and VLDL triacylglycerol levels Plasma and VLDL triacylglycerol concentrations were 4.8 ± 0.8 and 4.4 ± 0.9 mmolÆL)1 in Triton-treated and 1.4 ± 0.2 and 0.9 ± 0.2 mmolÆL)1...
Ngày tải lên: 23/03/2014, 21:20
Báo cáo khoa học: "TOWARDS AN INTEGRATED ENVIRONMENT FOR SPANISH DOCUMENT VERIFICATION AND COMPOSITION" pptx
... verbs and ciitic pronouns are also marked There are additional marks for hyphenation points (for later use by a formatter performing automatic syllable partition), and several other for foreign and ... there are others unmarked (e.g amable), and their gender is defined according to the noun they modify Among them, some work in fixed and restricted contexts, and are defined because they only modify ... elements must agree in gender and number), between the subject and the verb of a sentence, errors in the use of pronouns (typical misuses are the so-called "lelsmo" and "laismo'), errors in the...
Ngày tải lên: 24/03/2014, 05:21
Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc
... time on HRY at drying temperature of 800C and 900C for 2.5 and 3.0 Reference HRYs of A10 and OM2717 were 54.5% and 43.26%, respectively (triangular dot) 84 Table Main effects and interaction effects ... design, consisting of two levels of drying temperature (80 and 900C), two levels of drying time (2.5 and 3.0 min) and four levels of tempering time (0, 30, 40, and 60 min), was chosen in this experiment ... University of Queensland, Australia) attached to Universal Texture Analyser (Micro Stable Systems, UK) 50 rice grains of each lot were randomly selected and dehulled by hand Chalky and fissured kernels...
Ngày tải lên: 21/06/2014, 06:20
báo cáo hóa học:" Copper Selenide Nanosnakes: Bovine Serum Albumin-Assisted Room Temperature Controllable Synthesis and Characterization" docx
... BSA, BSA–Cu2?, and BSA–CuSe powders The FT-IR spectra and the data of the main peaks are shown in Fig 6a and supplementary Table The IR peaks of pure BSA at 3,430, 3,062, 1,652, and 1,531 cm-1 ... stretching vibrations), and amide II (the coupling of bending vibrate of N–H and stretching vibrate of C–N) bands, respectively The difference between the IR spectrum of pure BSA and Nanoscale Res ... conditions for 96 h, and then was separated by centrifugation at 15,000 rpm The collected black solid-state products were washed with double distilled water and ethanol for three times and dried in a...
Ngày tải lên: 21/06/2014, 18:20
Báo cáo hóa học: "NORM EQUIVALENCE AND COMPOSITION OPERATORS BETWEEN BLOCH/LIPSCHITZ SPACES OF THE BALL" potx
... (1.9) and we denote ∇U by ∇ when U is the typically ordered standard basis for Cn Let x and y be two positive variable quantities We write x y (and say that x and y are comparable) if and only ... Theorem 2.1 and that is proven using different testing functions Unlike [11], however, the present paper addresses composition operators between ᏸ p (Bn ) and ᏸq (Bn ) and the coincidence and norm ... equivalence and composition operators Δn was handled in a joint paper by the present authors with Zhou [3], in which a full characterization of the holomorphic self-maps φ of Δn that induce bounded composition...
Ngày tải lên: 22/06/2014, 22:20
eRPortal whitepaper EPA pressure and fiscal responsibility
... necessary, and that is not an easy undertaking for any organization with staff that have been on board for a long time And if the process-change does not work, there could be pressure and finger ... schedules, dates, and responsiveness o Parts -and- materials management features that allow for the tracking of which parts should be on-hand, at what location, at what time, and for what machine ... it would require neatness, clarity, safe storage, logical organization, and complete notes of system log-ins EPA Pressure and Fiscal Responsibility Driving The Need For Computerized Asset Management...
Ngày tải lên: 04/07/2014, 06:12
Báo cáo toán học: "Shift-Induced Dynamical Systems on Partitions and Compositions Brian Hopkins" pps
... Indegree Number of Compositions 94 (= 27 − F9 = 128 − 34) from from from from from from from 10 from 15 from 1 , 3 and and and , 2 , 4 and 18 14 (= + + + + 1) (= + 4) (= + 3) (= + 3) and (= + 1) Table ... partial permutation if and only if DC (θ) = DC (κ) Proof If θ and κ are related by a partial permutation, then the application of DC removes any and all ones from θ and κ and puts an initial row ... length for a GE -composition of n is For smaller n, there are no GE-compositions for n = 1, 2, and (13 ) is the only GE -composition for n = 3, which is distance from the cycle composition (2,...
Ngày tải lên: 07/08/2014, 13:21