chemical composition of lignocellulosic materials
Tài liệu Báo cáo " Chemical composition of essential oil of Machilus Japonica Siebold & Zucc. (Lauraceae) from Vietnam " pptx
Ngày tải lên :
12/02/2014, 17:20
... the chemical
composition of essential oil of Machilus
Japonica Siebold & Zucc. (Lauraceae) from
Vietnam will be discussed. The essential oil
composition of the different species of
Lauraceae ... varieties
are morphologically similar, but they show
different chemical compositions of essential oil.
Therefore, the chemical composition of
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∗
Corresponding author. Tel.: 84-4-8583905 ... VNU Journal of Science, Natural Sciences and Technology 25 (2009) 81-83
81
Chemical composition of essential oil of
Machilus Japonica Siebold & Zucc. (Lauraceae)...
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Chemical Composition of Vehicle-Related Volatile Organic Compound Emissions in Central California pdf
Ngày tải lên :
05/03/2014, 20:20
... that time due to
the phase-out of methyl tert-butyl ether (MTBE) and other ethers in gasoline.
2
4. Conclusions
The chemical composition of gasoline and of vehicle NMOC emissions changed ... only. Gasoline headspace vapor composition was calculated
using the measured composition of liquid fuel samples and vapor-liquid equilibrium theory. As
a result of California’s reformulated gasoline ...
apportionment by chemical mass balance. Atmospheric Environment 35, 1567-1584.
Zielinska, B., Fung, K.K. (1994). The composition and concentration of hydrocarbons in the
range of C
2
to C
18
...
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Báo cáo " Chemical composition of the leaf oil of Litsea glutinosa (Lour.) C. B. Rob. from Ha Tinh province " pptx
Ngày tải lên :
22/03/2014, 09:20
... twigs
of Litsea glutinosa were shown to exhibit
significant cytotoxic activity against human
Hela cell lines in vitro. Chemical examination
of the BuOH extract of the leaves and twigs of
Litsea ... of Spectral
Data of Sesquiterpene Hydrocarbons. E. B.
Verlag, Hamburg, 1998.
[17] Tran Dinh Thang, Hoang Van Luu, Nguyen
Xuan Dung, Chemical composition of the leaf
oil of Canarium bengalense ...
psychopharmacological actions of the essential
oil of Litsea glutinosa (Lour.) C.B. Rob., Indian
J. Physiol Pharmacol. 14(3) (1970) 92.
[5] A. Kar, M.K. Menon, C.S. Chauhan, Effect of
essential oil of Litsea...
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09 Physical and Chemical Characteristics of DDGS revisions.
Ngày tải lên :
08/08/2012, 10:03
...
08 - Physical & Chemical Characteristics of DDGS
1
Physical & Chemical Characteristics
of U.S. DDGS
Physical and chemical characteristics of distiller’s dried grains with ... effectiveness of including 2% calcium carbonate in DDGS as a
User Handbook
Physical & Chemical
Characteristics of DDGS
Physical & Chemical
Characteristics of DDGS
08 - Physical & Chemical ... (lightness of color) and b* (yellowness of color), with an increase in
a* (redness of color). Similar results were also reported by Ganesan et al. (2005).
Table 1. The Effect of the Rate of Solubles...
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Báo cáo y học: " A Dietary Supplement Containing Standardized Phaseolus vulgaris Extract Influences Body Composition of Overweight Men and Women"
Ngày tải lên :
31/10/2012, 15:12
... study of the effects of chro-
mium picolinate supplementation on body composition: a rep-
lication and extension of an earlier study. Curr Ther Res, 1998;
59: 379-388.
34. Evans GW. The effect of ... of the researchers
during the test period for any unexpected circum-
stances. Upon completion of the study, the envelope
was opened in the presence of a representative of the
sponsor and of ... randomized participants will be less repre-
sentative of the general population of patients. Be-
cause the purpose of this trial was to measure efficacy
of the agent under study, we chose to measure...
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Chemistry of nanostructured materials
Ngày tải lên :
23/04/2013, 14:23
... mesoporous materials [11-13]. A number of reviews dealing with
different types of periodic mesoporous materials such as aluminophosphates [14],
non-silica materials [15-17], inclusion materials ... exploration of AlPO
4
and MeAPO compositions,
many other compositions have been investigated including gallophosphates and
metal gallophosphates [13]. Of particular interest is the synthesis of a ... formation of these small
structural units may have a substantial effect on the creation of extra-large pore
materials.
Figure 12.
The three-dimensional framework of UCR-23 family of sulfides...
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The chemistry of nanostructured materials
Ngày tải lên :
23/04/2013, 20:25
... on the connectivity of tetrahedral
atoms and is independent of chemical compositions, types of extra-framework
species, crystal symmetry, unit cell dimensions, or any other chemical and physical ... of this book. A frequently used term in the field of
microporous materials is “molecular sieves” [5] that refers to a class of porous
materials that can distinguish molecules on the basis of ... synthesis of new crystalline microporous materials with novel compositional
and topological characteristics promises new and advanced applications. The development of
crystalline microporous materials...
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CHEMICAL ANALYSIS OF WATER AND WASTEWATER
Ngày tải lên :
23/07/2013, 20:57
... know-
ledge of the identities and quantities of pollutants and other chemical species in
water, air, soil, and biological systems. Therefore, proven, state -of- the-art techniques
of chemical analysis, ... calculated to show BOD as mg/L of O
2
. A BOD of 80 mg/L, for
example, means that biodegradation of the organic matter in a liter of the sample
would consume 80 mg of oxygen.
24.3. SPECTROPHOTOMETRIC ... capable of
producing a signal three times the standard deviation of the noise. The lower level of
detection (LLD) is the quantity of analyte that will produce a measurable signal 99
percent of the...
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Machining of Hard Materials
Ngày tải lên :
18/10/2013, 03:15
... possible to obtain a surface finish of
Ra about 0.3 àm.
Typical applications of HB include finishing of a variety of internal profiles
such as prismatic internal profiles, internal gear flanks, ... Hastelloy, Stellite and other exotic materials are clas-
sified as hard-turned materials.
Machining of Hard Materials 117
In the contact zone, the austenite temperature of the workpiece material is ...
speeds of up to 42,000 rpm and finishing laser machining can be very profitable
for hard part machining. The elimination of EDM operations and the use of laser
shaping result in shortening of the...
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Static properties of granular materials Philippe Claudin
Ngày tải lên :
01/11/2013, 08:20
... probably one of the issues that has been at the origin of the interest
of many physicists for granular materials [359]. The last point of this subsection
will be dedicated to the study of the stress ... horizontal position of the apex of the
pile – also, changing the sign of x changes that of the shear σ
xz
. More generally,
the stress state of the jammed grain packing is assumed to be of the form
xx
= ... properties of granular materials
Fig. 14.6 Polar representation of the contact orientation distribution obtained in
a numerical simulation of a granular layer prepared by a uniform ‘rain’ of grains
[455]....
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