the evolution of cell phones in society
The evolution of credence goods in customer markets: exchanging `pigs in pokes'''' docx
Ngày tải lên :
23/03/2014, 10:20
... media. In those days the sale of free-range pig meat was limited
and the main reason for the survival of the ISC was the “free advertising”
through interviews in the mass media—and thus a limited investment ... because of the alternative
costs of verifying “each sack of purchased flour” and of employing “persons in
devising methods of detecting the new modes of adulteration which might be
5
2.3 Supply of ... return
on the investment of acquiring new customers. There might also be benefits
from the change in the long-term behaviour (e.g. increased loyalty) of existing
customers.
The problem of asymmetric information...
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Tài liệu Báo cáo khoa học: The central role of CDE/CHR promoter elements in the regulation of cell cycle-dependent gene transcription pdf
Ngày tải lên :
16/02/2014, 09:20
... In another
report, depletion of Lin-9, Lin-37, Lin-52 or Lin-54 by
RNAi also led to a repression of genes, such as cyclin
A and cyclin B1, in dividing cells [92]. Furthermore,
depletion of Lin-9 ... upregulation would indicate a function of Lin-9 in
repression. This indicates that Lin-9 is involved in the
activation of these genes in cycling cells.
In summary, it has been shown that the DREAM
complex ... However, as in most other CDE ⁄ CHR
promoters, mutation of the CHR results in a smaller
remaining cell cycle-regulation than alteration of the
CDE [37]. Interestingly, the core of the human Tome-1
promoter...
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Tài liệu Combat Pair - The Evolution of Air Force-Navy Integration in Strike Warfare ppt
Ngày tải lên :
17/02/2014, 23:20
... blending Marine
F/A-18A and C squadrons into Navy carrier air wings as a matter of
standard practice.
6
Finally, in the realm of doctrine, there was an emergent Navy
acceptance of the value of ... wisely, in
the right mix, and in the right joint-minded spirit. Indeed, it can now
be said to have evolved to a point where it offers an object lesson in the
kinds of integration that, with the ... during the years since Desert Storm by way of a
gradual convergence of Navy and Air Force thinking with respect to
the integrated use of their air assets. Much energy was wasted during
the...
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Tài liệu Báo cáo khoa học: An intermediate step in the evolution of ATPases – a hybrid F0–V0 rotor in a bacterial Na+ F1F0 ATP synthase pdf
Ngày tải lên :
18/02/2014, 17:20
... the densities correspond to the N- and
C-terminal helices of the c ring, respectively. The
C-terminal helices show a clear handedness, and two
of the rings face in the opposite direction in the
membrane ... view from
the cytoplasm (open rings in AFM) and the red ones
the view from the extracellular side (smaller, closed
rings in Fig. 3). The inner and outer diameters of the
rings, measured at the density ... to the other two, forming the same pattern
as in the AFM surface representation of Fig. 2A. By
comparison with the 3D structure of the I. tartaricus
c ring [24], the black rings represent the...
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Tài liệu Báo cáo khoa học: cN-crystallin and the evolution of the bc-crystallin superfamily in vertebrates pdf
Ngày tải lên :
19/02/2014, 17:20
... lost the intron dividing the exons
encoding the first domain. The next step in the evolu-
tion of the c-crystallins was cS-crystallin, in which a
second, symmetrical intron loss occurred to give the
‘modern’ ... conserved intron positions
delineating protein domains; however, in the c-crystal-
lins the introns that divide the sequences encoding the
two motifs of each domain are missing. Thus a c-crys-
tallin ... pro-
tein (XAP-1) expressed in the retina and associated
with photoreceptor disc shedding [48]. In evolution,
functional retinas preceded the evolution of a focusing
lens [3,49]. The proteins of the...
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The evolution of host use and unusual reproductive strategies in Achrysocharoides parasitoid wasps pot
Ngày tải lên :
14/03/2014, 16:20
... testing evolutionary theory. All
Achrysocharoides species attack leaf-mining Lepidoptera,
that is micromoths whose larvae develop in ‘mines’
within the leaf lamina (the majority of hosts are in the
genus ... SOCIETY FOR EVOLUTIONARY BIOLOGY
include these in a future study to investigate the number
of colonisations of herbs by these wasps. Interestingly,
the only upper surface leaf miner parasitoid ... ancestral host of Achryso-
chroides. Regarding the effect of taxa sampling on the
reconstruction of reproductive strategies, although the
biology of most species in other parts of the world is...
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Báo cáo khoa học: An intermediate step in the evolution of ATPases ) the F1F0-ATPase from Acetobacterium woodii contains F-type and V-type rotor subunits and is capable of ATP synthesis Michael Fritz and Volker Muller ¨ docx
Ngày tải lên :
23/03/2014, 09:20
... important, the ion-binding site is
not conserved in hairpin 1. If one assumes the same
number of hairpins in V
0
and F
0
, the rotor of V
1
V
0
-
ATPases has only half the number of ion-binding
sites. ... Uặmg
)1
protein, depending on
the batch. This is in the same range as the one deter-
mined previously with the incomplete enzyme [25].
Next, we compared the enzymatic properties of the
complete ... await the deter-
mination of the rotor subunit stoichiometry.
In summary, we have solved a longstanding problem,
the purification of the Na
+
F
1
F
0
-ATP synthase from
A. woodii, including the...
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blackjacking - security threats to blackberry devices, pdas, & cell phones in the enterprise
Ngày tải lên :
25/03/2014, 11:07
... 176
PDA Authentication Spoofing and Interception 177
Sniffing Email Authentication 177
Stealing Credentials with Access Point (AP) Phishing 180
Intercepting Authentication via SSL Man -in -the- Middle ... a few drinks — then to have a few more. By the next morn-
ing there were stories that certainly wouldn’t be appropriate for printing in
this book (think of the movie Bachelor Party). There was ... to
trick users into connecting to it. Users may think they are connecting and
entering authentication or credit card information into a valid hotspot, but
they are actually doing so into the hacker’s...
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HOMINOID EVOLUTION AND CLIMATIC CHANGE IN EUROPE VOLUME 1 The Evolution of Neogene Terrestrial Ecosystems in Europe ppt
Ngày tải lên :
29/03/2014, 17:20
... exchanges. The regression of the sea from the
Greek mainland and the Aegean landmass at the end of the Burdigalian
prevented marine connections with the Paratethys in the area of the Dar-
danelles. The ... 1995).
Since the Sarmatian the open ocean connections of the Paratethys were
interrupted. The gigantic inland sea of the Paratethys turned into continu-
ously shrinking basins. A reduced salinity ... bipedal hominids. DiVering from the
Pliocene hominid evolution in Africa, the changing environments did not
result in Eurasia in the emergence of bipedal apes, but in the extinction of
generalised...
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Báo cáo hóa học: " Impairment of the CD8+ T cell response in lungs following infection with human respiratory syncytial virus is specific to the anatomical site rather than the virus, antigen, or route of infection" pdf
Ngày tải lên :
20/06/2014, 01:20
... disseminated
infection following IN inoculation [6,11,12].
In the present study, we first compared pulmonary repli-
cation of the VV-M2 virus after infection by either the IN
or ID route. Groups of ... explain the
ability of RSV to re-infect throughout life.
Results: To determine whether this effect is dependent on the virus, the route of infection, or the
type of infection (respiratory, disseminated, ... route. IN inoculation of mice with the WR strain
of VV has been shown to cause respiratory tract infection
followed by dissemination of the virus to various visceral
organs and the brain [6,7]. In...
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Báo cáo hóa học: " Evolution of sedentary pastoralism in south India: case study of the Kangayam grassland" ppt
Ngày tải lên :
21/06/2014, 03:20
... brings
life to the grassland and the dormant, grazed tussocks begin sprouting, giving the first
flush of the grass c rop. The bulk of the rain in the grassland is received during the
retreating ... strata of the society. They
earn their living by doing manual work in the fields of other farmers and/or by rearing
a few livestock and grazing them on CPRs.
The livestock population in the grassland ... females) irre-
spective of the sex of the child. This is in contrast with the scenario in most parts of
India, or the male dominated society elsewhere in the world, where there is a marked
preference...
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The chart shows the number of mobile phones and landlines per 100 people in selected countries ppsx
Ngày tải lên :
07/07/2014, 12:20
... In conclusion, it seems that mobile phone use is higher in Europe than in North America
...
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ĐỀ CƯƠNG MÔN HỌC NGUYỄN TRÃI VÀ NGUYỄN DU TRONG TIẾN TRÌNH VĂN HỌC TRUNG ĐẠI (NGUYEN TRAI AND NGUYEN DU IN THE EVOLUTION OF THE MEDIEVAL LITERATURE) pdf
Ngày tải lên :
08/07/2014, 02:21
... TRONG TIẾN TRÌNH VĂN HỌC TRUNG ĐẠI”
(NGUYỄN TRÃI AND NGUYỄN DU IN THE EVOLUTION OF
THE MEDIEVAL LITERATURE)
_____________
1. Thông tin về giảng viên:
Họ và tên: Trần Nho Thìn
Chức danh: PGS. TS. ... NGUYEN DU IN THE
EVOLUTION OF THE MEDIEVAL LITERATURE)
Chương trình đào tạo: Cử nhân văn học
HÀ NỘI - 2007
Hình
thức
Thời
gian,
địa điểm
Nội dung
chính
Mục tiêu cần
đạt được
Sinh viên
... cần
đạt được
Sinh viên
chuẩn bị
Bài
tập
1 giờ,
trên lớp
Sinh viên đề xuất
các vấn đề để giáo
viên giải đáp. Giáo
viên có thể hướng
dẫn để sinh viên giải
đáp cho nhau.
Sinh viên có một...
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The Evolution of Bridges in the United States pptx
Ngày tải lên :
08/07/2014, 12:20
... from a tunnel in the south wall of the canyon splitting rail
traffic over the river; one leg heads north to meet with the Burlington Northern Railroad and the other is the main
line heading east toward ... structures, during the
1960s, the steel and welding industry struggled to maintain its share of the bridge market. Many
innovations were introduced for the use of steel through this campaign, by the development ... designed in 1912 by John Waddell, the “Dean” of American bridge
engineering. The bridge served the famed Route 66 for many years. Seismic retrofitting was a challenge in trying to
maintain the bridge’s...
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