wear conformity and contact stress
Báo cáo y học: "NITRIC OXIDE (NO), CITRULLINE – NO CYCLE ENZYMES, GLUTAMINE SYNTHETASE AND OXIDATIVE STRESS IN ANOXIA (HYPOBARIC HYPOXIA) AND REPERFUSION IN RAT BRAIN"
... TBARS and decreased concentration of TAS supports the oxidative stress in anoxia and reperfusion and suggests a possible role for anti oxidants in preventing neuro- 153 degeneration in anoxia and ... incidents involving anesthesia To understand the role of citrulline-NO cycle enzymes, GS and the oxidative status in anoxia and reperfusion, NOS, AS, AL, GS and arginase activities along with the ... were removed and killed by decapitation The brains were quickly removed and the different regions (CC, CB and BS) were separated according to the procedure described by Sadasivudu and Lajtha (22)...
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Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... BR-treated plants Oxidative stress- related genes encoding monodehydroascorbate reductase and thioredoxin, the cold and drought stress response genes COR47 and COR78, and the heat stress- related genes ... subgroup S, C, and G, respectively, were also involved in salt and freezing stresses These proteins bind to ABRE and couple of other cis-acting elements with differential affinity and improve stress tolerance ... reactions and adversely affect growth and development at cellular and whole plant level Under abiotic stress, plants integrate multiple external stress cues to bring about a coordinated response and...
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Báo cáo khoa học: Transcript profiling reveals diverse roles of auxin-responsive genes during reproductive development and abiotic stress in rice pdf
... control; DS, desiccation stress; SS, salt stress; CS, cold stress The fold change value, P-value and regulation (up ⁄ down) are given in Table S6 stress condition, only 51 and three genes, respectively, ... development and abiotic stress responses Twenty (17 upregulated and three downregulated) genes were commonly regulated during various stages of panicle development and abiotic stress conditions, and ... upregulated and downregulated (in parentheses) under different stress conditions The numbers of genes upregulated under one or more stress condition(s) and downregulated under other stress condition(s)...
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Báo cáo khoa học: Calcium, mitochondria and oxidative stress in neuronal pathology Novel aspects of an enduring theme pdf
... Mitochondrial calcium and oxidative stress as mediators of ischemic brain injury Cell Calcium 36, 257–264 441 Ca2+, mitochondria, ROS in neuronal disease C Chinopoulos and V Adam-Vizi 17 Andreyev AY, ... mechanisms and implications in human pathology IUBMB Life 52, 159–164 30 Barja G (1999) Mitochondrial oxygen radical generation and leak: sites of production in states and 3, organ specificity, and relation ... described by Manev and colleagues [149], further characterized by the groups of Thayer [150] and Tymianski [146] However, credit should also be given to an earlier work by Connor and colleagues,...
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Báo cáo khoa học: Cotton GhMPK2 is involved in multiple signaling pathways and mediates defense responses to pathogen infection and oxidative stress doc
... hormone signaling, biotic and abiotic stress responses, and development [15,16], whereas high concentrations of ROS can result in oxidative stress and cause irreversible damage and hypersensitive response-like ... processes and have unique biological functions Cotton (Gossypium hirsutum) is one of the oldest and most important fiber and oil crops Its growth and yield are severely inhibited under various biotic and ... genes and ET biosynthesis genes in transgenic and wild-type plants (A) The mRNA levels of defense-related genes and ET biosynthesis genes in transgenic and wild-type tobacco plants without any stress, ...
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Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response potx
... the protein and is anchored there by van der Waals contacts (Leu9-Trp85) and by several hydrogen bonds (CO10-His45, CO227-NH8, CO315-Thr8) In particular, the contact between CO10 and the iminium ... reduced forms and a methionine residue The cluster is likely to be involved in redox reactions and might constitute the molecular basis of oxidative stress response by annexins Materials and methods ... domains III and IV is a U-shaped, positively charged patch The patch is formed by five lysine and three arginine residues (Lys223, Lys226, Arg238, Lys242, Lys249, Lys253, Arg256, and Arg291) and, in...
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Báo cáo khoa học: The molecular chaperone a-crystallin incorporated into red cell ghosts protects membrane Na/K-ATPase against glycation and oxidative stress ppt
... was the same at t ¼ and h This indicates that the 14 C sucrose was trapped by loading and resealing and did not leak out of the ghost cells The ghost cells were incubated with and without modifiers ... were prepared as described in the methods section and incubated at 37 °C, 10 lL samples taken at t ¼ and t ¼ h and assayed Error bars represent standard deviation 2610 B K Derham et al (Eur J Biochem ... heart disease, hypertension and cataract Altered Na+ and K+ concentrations are observed in many forms of human cataract and correlate with increasing lens colour and with cortical opacification...
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Báo cáo khoa học: Rice cytosine DNA methyltransferases – gene expression profiling during reproductive development and abiotic stress pptx
... activation of OsCMT2 in seedlings subjected to cold and salt stress and the downregulation of OsCMT3 expression under salt and drought stress is interesting and provides the foundation for further in ... actively dividing tissues of roots and during the formation of inflorescence and floral meristems and the initiation of floral organs (P1-I and P1-II in rice and F1 and F2 in Arabidopsis) AtCMT3 is ... panicle initiation (P1-I and P1-II) and the early seed development stages (Tables S2 and S4) In comparison with leaf tissues (mature leaf and Y leaf), there was an 87-, 7 7and 81-fold increase (P...
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Báo cáo khoa học: Expression profile of PIN, AUX ⁄ LAX and PGP auxin transporter gene families in Sorghum bicolor under phytohormone and abiotic stress pot
... contains AtAUX1, AtLAX1 and two members in sorghum and rice (SbLAX1, -2, -4 and OsLAX2, -4, -5) and the other clade contains AtLAX2 and AtLAX3, and three members of SbLAX and OsLAX family Phylogenetic ... AtPGP1, AtPGP4 and AtPGP19 are well characterized in Arabidopsis and can be placed into groups and (Fig 2C, and Tables S3 and S4) SbPGP21 is close to AtPGP1, and two SbPGPs (SbPGP16 and SbPGP18) ... distinct tandem duplicate gene clusters represented 10 SbPGP genes: two clusters with two tandem genes (SbPGP19–20 and SbPGP23–24), and another two clusters containing three tandem genes (SbPGP5–7 and...
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carbon dioxide and environmental stress
... area and display and in plant spacing affect the energy supply for the two processes in a nearly identical manner Thus, "A and T on a per unit land area basis are closely linked and go hand in hand, ... and act like • xiv Preface Chapters in this book are organized into three parts: (I) C O and stress interactions (Chapters 1-10); (II) evolutionary, scaling, and modeling studies of CO2 and stress ... Carbon Dioxide and Environmental Stress on Plants and Ecosystems: A Synthesis Yiqi Luo, Josep Canadell, and Harold A Mooney I Introduction 393 II Interactive Effects of Carbon Dioxide and Stresses...
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COMBINED BENDING AND DIRECT STRESS
... the separate effects of P and M The stresses due to P and M acting separately are shown in Figure 12.l(iii) and (iv) On combining the two stress systems, the resultant stress in any fibre is (r ... 37.5 cm and 75 cm and the material is 2.5 cm thick all round, and the longer dimension is in the direction AB Calculate the maximum tensile and compressive stresses set up in the section, and locate ... maximum bending stresses due to the couple of 250 Nm are equal to 288 Bending stresses and direct stresses combined (250)(0*0125) (13.02 x 10-9) = 240 m m l Hence the maximum tensile stress on the...
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fontanills - the options course - high profit and low stress trading methods, 2nd ed
... Australia, and Asia, Wiley is globally committed to developing and marketing print and electronic products and services for our customers’ professional and personal knowledge and understanding The ... parameters and by applying strategies that combine stocks and options on stocks, or futures and options on futures Develop a Flexible Investment Plan The second step in reducing risk and stress is ... including assets, expected future earnings, and the supply of and demand for the shares of the company Accurately determining the supply of and demand for a company’s stock is very important...
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surface effects and contact mechanics ix
... Effects and Contact Mechanics IX 15 evaluate the size and shape distortion, the microstructure and the surface residual stresses produced by different heat treatment parameters [12] Residual stresses ... MatLab to process the 3D images and to calculate the wear rate of the films The wear rates were calculated as 5×10-8 and 3×10-8 mm3/(N lap m) for the films grown with 200 and 350 kHz respectively Conclusions ... decrease further and therefore starts to fluctuate It can be inferred that since the transfer film covers the ball surface in contact, the wear rate of the film decreases and leads to less wear debris...
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báo cáo hóa học: " Quality of life among adolescents with sickle cell disease: mediation of pain by internalizing symptoms and parenting stress" pdf
... index, and disease severity) with parent- and teen-reported PPQ pain frequency, primary caregiver- and teen-reported BASC anxiety and BASC depression, PIP difficulty, and primary caregiver- and ... teacher-, and parent-report measure of adaptive and clinical functioning for children and adolescents ages 1/2 to 18 years of age The questions address emotions, behaviors, and self-perceptions and ... http://www.hqlo.com/content/6/1/60 daily pain diaries, Gil and colleagues demonstrated that pain predicted decrements in positive mood and higher levels of stress An association of negative mood and stress with same day pain...
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báo cáo hóa học: " Brain inflammation and oxidative stress in a transgenic mouse model of Alzheimer-like brain amyloidosis" pptx
... 450 nm Oxidized protein standards, internal controls and blanks were always assayed at the same time and in the same way All samples were always determined in triplicate and in a blind fashion Immunoblot ... Biological) Brain Aβ1-40 and Aβ1-42 levels Sequential extraction of brain samples was performed with high-salt buffer and formic acid, respectively to measure soluble and insoluble Aβ1-40 and Aβ1-42 levels, ... inflammation and oxidative stress [16,17] Our results confirm previous observation where low-dose curcumin, a drug with reported both anti-oxidant and anti-inflammatory activities, reduced total Aβ and...
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Báo cáo lâm nghiệp:"Predicting of oak wood properties using X-ray inspection: representation, homogenisation and localisation. Part II: Computation of macroscopic properties and microscopic stress fields" pdf
... 248 P Perré and É Badel of Barkas, Boutelje and Kelsey for example, are several decades old [6, 8, 19] These works present careful observations, measurements and statistical analysis and remain ... This is why free macroscopic shrinkage induces radial compressive stress within ray cells and radial tensile stress in fibre and parenchyma zones The second example of localisation has been chosen ... Figures 10a and 10b depict the local stress field determined from these macroscopic loading configurations respectively As expected, due 256 P Perré and É Badel to shrinkage, all stress values...
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Báo cáo lâm nghiệp: "Influence of exogenous L-proline on embryogenic cultures of larch (Larix leptoeuropaea Dengler), sitka spruce (Picea sitchensis (Bong.) Carr.) and oak (Quercus robur L.) subjected to cold and salt stress" pdf
... L.G., Stress metabolism VI temperature stress and the accumulation of proline in barley and radish, Aust J Plant Physiol (1974) 87–97 [5] Delauney A.J., Verma D.P.S., Proline biosynthesis and osmoregulation ... leakage from larch, sitka spruce and oak 128 D Gleeson et al Thus exogenous proline protected the cells from the effects of the salt, cold and freezing stresses applied and in a similar manner to ... with 50 mL aliquots of distilled water by resuspension and filtration Samples (500 mg) were cooled to (24, 0, –5, –10, –20 and –30 °C) and potassium release into distilled water measured by atomic...
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Báo cáo toán học: "The effect of temperature and water stress on laboratory germination of Eucalyptus globulus Labill. seeds of different sizes" pot
... capacities for sizes and occurred between 13 and 33 ºC; for seed sizes and the maximum occurred between 18º and 24 ºC While a significant interaction was found between temperature and seed size (table ... water potential and seed size in E globulus might be exploited to improve germination efficiency and seedling uniformity MATERIALS AND METHODS E globulus seeds of Flinders Island (Australia) ... factors and their interactions in Eucalyptus occidentalis germination was described by Zohar and co-workers [28] Likewise, Battaglia [2] demonstrated that sub- and supra-optimal temperatures and...
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Báo cáo khoa học: "Tension wood and growth stress induced by artificial inclination in Liriodendron tulipifera Linn. and Prunus spachiana Kitamura f. ascendens Kitamura" pot
... made and the released strain induced by growth stress and the mean microfibrillar angle, which contributes to growth stress [8], were measured 2.1 Released strain of growth stress MATERIALS AND ... largest at the point of fixation and was almost zero below this point If tension wood Tension wood and growth stress induced by artificial inclination and larger growth stresses were formed to counter ... the growth stress The distance from the edge of the gauge to the groove was mm The strain measured is the strain released from the growth stress and is proportional to the growth stress Compressive...
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Báo cáo lâm nghiệp: "The effects of elevated CO 2 and water stress on whole plant CO 2 exchange, carbon allocation and osmoregulation in oak seedlings" docx
... (Conroy et al, 1988; Chaves and Pereira, 1992; Tschaplinski et al, 1993; Tyree and Alexander, 1993) Under drought conditions, osmotic adjustment on the one hand and growth and Quercus robur In the ... Pereira JS (1992) Water stress, climate change J Exp Bot 43, 1131-1139 CO and Coleman JS, Bazzaz FA (1992) Effects of CO and tem2 growth and resource use of co-occurring C and C annuals Ecology ... where subscripts SL and SC refer to samples from labelled and from nonlabelled plants, respectively; subscripts AL and AC refer to air samples taken in the exposure chamber and in the CO tunnels,...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25