trace of electromagnetic stress tensor
LOW FREQUENCY IGBT CONVERTER FOR CONTROL EXCITING FORCE OF ELECTROMAGNETIC VIBRATORY CONVEYORS
Ngày tải lên :
03/01/2014, 19:15
... amplitude
displacement value of i.e. vibratory width
value of in which the amplitude of EVA
current was .In the moment of time is
setting sudden increase of reference value of current
half-wave ... Republic of Serbia
, zeljko@robot.imp.bg.ac.rs
Abstract: The resonant electromagnetic vibratory
conveying drives (EVCD) are often used to control of the
gravimetric flow and dosing of particulate ... are often used mechanisms based on
the vibratory conveyors with electromagnetic drive.
Vibratory conveying drives with electromagnetic
vibratory actuator (EVA) are a very popular because of...
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Tài liệu The Effects of Childhood Stress on Health Across the Lifespan pptx
Ngày tải lên :
12/02/2014, 19:20
... Effects of Childhood Stress on
Health across the Lifespan
Stress is an inevitable part of life. Human beings experience stress early,
even before they are born. A certain amount of stress is ... work.
Types of Stress
Following are descriptions of the three types of stress that The National
Scientific Council on the Developing Child has identified based on avail-
able research:
1
Positive stress ... (2%).
2
4
The Effects of Childhood Stress on Health Across the Lifespan
Toxic stress results
from adverse experiences
that may be sustained
for a long period of
time. This type of stress
can disrupt...
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Tài liệu Báo cáo khoa học: Enhancement of oxidative stress-induced apoptosis by Hsp105a in mouse embryonal F9 cells pptx
Ngày tải lên :
21/02/2014, 03:20
... apoptosis at or
upstream of cytochrome c release from mitochondria.
Furthermore, the transmission of signals from external
stresses is accompanied by the activation of a family of
stress- activated protein ... over-expression of Hsp105a seemed to
enhance the release of cytochrome c from mitochondria in
F9 cells by hydrogen peroxide.
Fig. 3. Enhancement of oxidative stress- induced apoptosis by over-expression of ... rate and differentiation
of F9 cells were not affected by the over-expression of
Hsp105a, the sensitivity of cells to oxidative stress was
enhanced by the over-expression of Hsp105a,andthese
findings...
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The effects of oxidative stress on female reproduction: a review ppt
Ngày tải lên :
05/03/2014, 16:20
... couples often turn to
assisted reproductive techniques (ART) to improve their
chances of conception. The role of supplementation of
ART culture media with antioxidants continues to be of
interest ... in-
flammation and growth of endometriotic tissue [99].
Another inducible form of HSP70 known as HSP70b′
has recently become of great interest as it presents only
during conditions of cellular stress [100]. ... months of unprotected intercourse in cou-
ples where known causes of infertility have been ruled out.
It is thus considered a diagnosis of exclusion. Unexplained
infertility affects 15% of couples...
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Đề tài " Prescribing symmetric functions of the eigenvalues of the Ricci tensor " pdf
Ngày tải lên :
15/03/2014, 09:20
... that
M
n
v
−2p
dvol
g
≤ C.(3.14)
Proof. This is Lemma 4.3 of [CGY02b] (see also Lemma 4.1 of [Gur93]).
This completes the proof of Proposition 3.3.
Remark.Ifu ∈ C
2
is a Γ-admissible solution of (1.13), then by ... bound:
max
M
n
w
i
≤ C.
The next result summarizes the properties of the limit w = lim
i
w
i
.
Recall from the proof of Theorem 3.5 the definition of the tensor: S
g
=
Ric − 2δσ
1
(A
g
)g. We let S
w
denote ... ω
n
is the volume ratio of Euclidean
space.
Proof. The proof is based on a construction of the geometric tangent cone
corresponding to the end N
1
, as follows. Take any sequence of numbers r
i
such
that...
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Scattering of electromagnetic waves theories and applications , tsang , ding , kong
Ngày tải lên :
17/03/2014, 13:40
... SCAnERING OF ELECTROMAGNETIC WAVES:
THEORIES AND APPLICATIONS
Tsang, Kong, Ding, and Ao 0 SCA~ERING OF ELECTROMAGN~I~
WAVES: NUMERICAL SIMU~TIONS
Tsang and Kong
l
SCATTERING OF ELECTROMAGNETIC ... Remote Sensing of a Three-Dimensional Scattering
Medium with Inhomogeneous Profiles
Passive Remote Sensing of a Three-Dimensional Random
Medium
Thermal Emission of Layers of Spherical Scatterers ...
(1.4.15a)
(1.4.15b)
(1.4.16a)
(1.4.16b)
(1.4.17a)
(1.4.17b)
SCATTERING OF
ELECTROMAGNETIC WAVES
Scattering of Electromagnetic Waves: Theories and Applications
Leung Tsang, Jin Au Kong,...
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The role of sentence stress in enhancing english speaking competence of HPU english majors
Ngày tải lên :
17/03/2014, 16:12
... 1997:190).
27
The pattern of stress in this sentence is stressed – unstressed – stressed –
unstressed – stressed – unstressed, with equal number of alternating stressed
and unstressed syllables. ... frequency usage of English sentence stress
The chart below shows 13 of them (32.5%) indicate that they never use
sentence stress while speaking. Some of them about 12.5% often use sentence
stress in ... Misunderstanding of meaning caused by wrong placement of stress 49
2.2. Misunderstanding of meaning caused by changes in sentence stress. 50
2.3. Communication breakdown caused by wrong use of stress...
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Báo cáo khoa học: Effect of oxidative stress and involvement of poly(ADP-ribose) polymerase (PARP) in Dictyostelium discoideum development doc
Ngày tải lên :
23/03/2014, 07:20
... acti-
vation of poly(ADP-ribose) polymerase (PARP). We have earlier reported
the high resistance of the unicellular stage of D. discoideum to oxidative
stress, and we now show the response of this ... oxidative stress
and the role of PARP during development. We used hydroxylamine (HA)
to induce in situ generation of H
2
O
2
and monitored the effect of
benzamide, a PARP inhibitor, on oxidative stress- induced ... during oxidative stress
is further confirmed by the use of low concentrations
of benzamide. Preincubation of cells with benzamide
prevented the peak activity observed during oxidative
stress (Fig....
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Báo cáo khoa học: The calcium-binding domain of the stress protein SEP53 is required for survival in response to deoxycholic acid-mediated injury pdf
Ngày tải lên :
23/03/2014, 10:21
... sample
A
Classes of SEP53 MAB
B
C
D
E
F
Fig. 1. Development of a panel of monoclonal antibodies (MAbs) to the major squamous-cell specific stress protein SEP53. (A) Characteriz-
ation of SEP53 MAb. ... the classic stressed-induced protein HSP70 after
stress, suggesting a novel type of stress response in this
cell type [16]. Further ex vivo organ culture in conjunc-
tion with specific stresses, ... compared with the
peak area of the internal standard. (B) Sum-
mary of the range of the total bile acid con-
centrations found in gastric fluid samples.
(C) Percentage of patients with bile acid
concentrations...
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assessment of the stress and strain levels at geometrical discontinuities under elastoplastic conditions a case study
Ngày tải lên :
24/05/2014, 20:32
... strain approach
where the stress and strain at the root of the stress concentrator are estimated as a function of the theoretical stress
concentration factor and of a constitutive equation ... the stress range applied at the discontinuity section in fixed steps of 50 MPa up to the yield stress of each
material, the actual stresses and strains were determined using the models of Neuber ... was loaded from zero to the yield stress in steps of 50
MPa and observed the levels of stress and strain in the root of the notch as well as the correspondent stress and strain
concentration...
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analysis and determination of the stress intensity factor of load-carrying cruciform fillet welded joints
Ngày tải lên :
24/05/2014, 20:40
...
analyzed models values of stress intensity factor (K
I
)
increased with the increase in crack size. The path of
crack propagation in case of root crack is longer than
that in cases of toe and cold-lab ... size.
The path of crack propagation in case of root
crack is longer than that in cases of toe and cold-lab
cracks.
Journal of American Science 2014;10(1) http://www.jofamericanscience.org ... Science 2014;10(1) http://www.jofamericanscience.org
36
Values of stress intensity factor (K
I
) in cases
of toe and cold-lab cracks are higher than that in case
of root crack for the same...
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Báo cáo hóa học: " Predictors of quality of life: A quantitative investigation of the stress-coping model in children with asthma" pptx
Ngày tải lên :
18/06/2014, 22:20
... prediction of HRQoL remained unclear.
The aim of our study is to further explore predictors of
HRQoL with the stress- coping model resulting towards a
better understanding of HRQoL of children ... Central
Page 1 of 9
(page number not for citation purposes)
Health and Quality of Life Outcomes
Open Access
Research
Predictors of quality of life: A quantitative investigation of the
stress- coping ... the axis
of the stress- coping model. Disease characteristics,
appraisal of the disease, coping, and quality of life are all
significantly related to each other. This part of the
extended stress- coping...
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