physical state of water at 100°c

Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx

Báo cáo hóa học: " Structural and physical properties of antibacterial Ag-doped nano-hydroxyapatite synthesized at 100°C" pptx

... by setting the atomic ratio of Ag/[Ag + Ca] at 20% and [Ca + Ag]/P as 1.67. The X-ray diffraction studies demonstrate that powders made by co-precipitation at 100°C exhibit the apatite characteristics ... hydroxyapatite doped with Ag at 100°C. Preparation of Ag-doped hydroxyapatite by co- precipitation method at 100°C has several advantages over other techniques. Specifically, it can generate highly crystalline ... sample. The chang es are attributed to the substitution of Ag + from Ca 2+ into the lattice of apatite. Bands’ characteristics of the phosphate and hydrogen phosphate groups in apatitic environment...

Ngày tải lên: 20/06/2014, 23:20

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MARCH 2009 FLORIDA COMMUNITY COLLEGE AT JACKSONVILLE A COMPONENT UNIT OF THE STATE OF FLORIDA NOTES pptx

MARCH 2009 FLORIDA COMMUNITY COLLEGE AT JACKSONVILLE A COMPONENT UNIT OF THE STATE OF FLORIDA NOTES pptx

... Federal Government, the State, or any other State or territory of the United States, that has a branch or principal place of business in this State, or by a national association organized and ... State Board of Education for the benefit of the College. The College’s investments consist of United States Treasury securities, with maturity dates of six months or less, and are reported at ... assets are capitalized and recorded at cost at the date of acquisition or at estimated fair value at the date received in the case of gifts and purchases of State surplus property. Additions, improvements,...

Ngày tải lên: 19/06/2014, 12:20

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Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with different growth rate at juvenile stage after outplanting at" pdf

Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with different growth rate at juvenile stage after outplanting at" pdf

... graphs. RESULTS Water losses during controlled desiccation Water losses were determined in the course of desiccation of severed spruce annual shoots im- bibed with water in laboratory conditions ... minutes when water losses were caused mainly by cuticular transpiration. When the evaluation of water losses terminated, samples were dried at 80°C to constant weight and their dry matter and ... 173 Fig. 1. Water losses (in % of the initial water content) after 15 and 180 min of desiccation.  e whiskers show the confi dence interval at a 5% signifi cance level Reaction of the assimilatory...

Ngày tải lên: 07/08/2014, 10:21

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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 0 pdf

PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 0 pdf

... topics of water and wastewater characterization, quantitation, and population projection, this book covers the unit operations and unit processes in the physical chemical treatment of water and ... Processes of Water and Wastewater Treatment Chapter 10 Water Softening 10.1 Hard Waters 10.2 Types of Hardness 10.3 Plant Types for Hardness Removal 10.4 The Equivalent CaCO 3 Concentration ... Control, Department of Health and Mental Hygiene; Water Resources Engi- neer in the Water Resources Administration, Department of Natural Resources; Water Resources Engineer in the Of ce of Environmental...

Ngày tải lên: 11/08/2014, 10:22

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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 2 pps

PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 2 pps

... reduced from an oxidation state of +6 to an oxidation state of +3. The oxidation products are carbon dioxide and water. The oxidation state is a measure of the degree of affinity of the atom to the electrons ... it shares with other atoms. A negative oxidation state of an atom indicates that the electrons spend more time with the atom, while a positive oxidation state indicates that the electrons spend ... EMPERATURE Most individuals find water at temperatures of 10–15 ° C most palatable. Groundwaters and waters from mountainous areas are normally within this range. Surface waters are, of course,...

Ngày tải lên: 11/08/2014, 10:22

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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 6 pps

PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 6 pps

... concrete batch mixer, the rotation of the mixer providing the agitation. Generally, three types of mixers are used in the physical chemical treatment of water and wastewater: rotational, pneumatic, ... bottom of the vessel. The tank is filled to a depth of 2.0 m and is mixing alum with raw water in a water treatment plant. The water is at a temperature of 25°C and the turbine is running at 100 ... alum coagulant in a water treatment plant was found to be 6.28 m 3 . Assume air is being provided at a rate of 1.12 m 3 per m 3 of water treated and that the detention time of the tank is 2.2...

Ngày tải lên: 11/08/2014, 10:22

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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 7 pdf

PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 7 pdf

... other examples of this unit operation of filtration used in practice include the filtration of water to produce drinking water in municipal and industrial water treatment plants, filtration of secondary treated ... (1985). Water Quality. Addison-Wesley, Reading, MA. Vera, L., et al. (1998). Can microfiltration of treated wastewater produce suitable water for irrigation? Water Science and Technology Wastewater: ... filtration β Shape factor ρ Mass density of water γ Specific weight of water γ p Specific weight of particle γ w Specific weight of water à Absolute viscosity of water Porosity PROBLEMS 7.1 A consultant...

Ngày tải lên: 11/08/2014, 10:22

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Báo cáo y học: "Effects of Losartan on expression of connexins at the early stage of atherosclerosis in rabbits"

Báo cáo y học: "Effects of Losartan on expression of connexins at the early stage of atherosclerosis in rabbits"

... dis- ease induced activation of vessel wall cells. It is indi- cated that the expression of Cx43 in the smooth mus- cle cells was markedly elevated at the early stage of coronary atherosclerosis (3). ... study aimed to detect the expression of Cx40 and Cx43 in the artery at early stage of high fat diet induced atherosclerosis and to investigate the effects of AT1 antagonist Losartan on the Cx43 ... (Cx43) cycles of amplification as follows: the sam- ples were initially heated to 94°C for 5 min to ensure complete denaturation of DNA (45 sec for subsequent cycles) followed by 45 sec at 57°C (Cx40)...

Ngày tải lên: 26/10/2012, 09:39

8 467 0
 Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"

Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"

... for the treatment of pathological frenulum, keratoses, angiomas and telangiectases. 2. PATIENTS AND METHODS The treatment with the 980nm Diode Laser was proposed to a group of 15 patients phototypes ... not allow photothermolysis owing to inappropri- ate pulsing for the treatment of smaller structures that don’t require pulse durations of hundreds of milli- seconds [4]. With Argon lasers, moreover, ... suggestions of scientific literature on the advantages of the compactness, reliability, ease of use and affordability of the 980 nm Diode Lasers, we evaluated the efficacy and safety of one such...

Ngày tải lên: 26/10/2012, 09:48

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