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
Ngày tải lên :
20/06/2014, 23:20
... 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...
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MARCH 2009 FLORIDA COMMUNITY COLLEGE AT JACKSONVILLE A COMPONENT UNIT OF THE STATE OF FLORIDA NOTES pptx
Ngày tải lên :
19/06/2014, 12:20
... 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,...
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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
Ngày tải lên :
07/08/2014, 10:21
...
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...
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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 0 pdf
Ngày tải lên :
11/08/2014, 10:22
... 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...
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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 2 pps
Ngày tải lên :
11/08/2014, 10:22
... 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,...
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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 6 pps
Ngày tải lên :
11/08/2014, 10:22
... 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...
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PHYSICAL - CHEMICAL TREATMENT OF WATER AND WASTEWATER - CHAPTER 7 pdf
Ngày tải lên :
11/08/2014, 10:22
... 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...
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Báo cáo y học: "Effects of Losartan on expression of connexins at the early stage of atherosclerosis in rabbits"
Ngày tải lên :
26/10/2012, 09:39
... 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)...
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Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"
Ngày tải lên :
26/10/2012, 09:48
...
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...
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