their origin and niche factors
green plants their origin and diversity - peter r. bell, alan r. hemsley
... 0521641098 - Green Plants: Their Origin and Diversity, Second Edition - Peter R Bell and Alan R Hemsley Frontmatter/Prelims More information Green Plants Their Origin and Diversity The central ... pollen and spore morphology and vascular plant evolution www.cambridge.org Cambridge University Press 0521641098 - Green Plants: Their Origin and Diversity, Second Edition - Peter R Bell and Alan ... P R Bell and C L F Woodcock (3rd edition, London, 1983) The continuing demand for a concise account of the algae and land plants from the point of view of their natural relationships and biology...
Ngày tải lên: 08/04/2014, 12:50
cambridge university press green plants their origin and diversity 2nd ed
... strands of contractile protein These strands are termed rhizoplasts and the constituent protein centrin The contraction and relaxation of this protein depend upon the balance of Ca2ϩ and ATP, and ... the green algae (Chlorophyta) The Chlorophyta and the land plants (a term which means plants adapted to life on land and not merely plants growing on land) have the same photosynthetic pigments, ... the land plants, however, tended to remain small and with limited control over their degree of hydration (poikilohydry) Nevertheless, some mosses (p 121) and the prothalli of some lower land plants...
Ngày tải lên: 24/04/2014, 13:48
báo cáo sinh học:" Mid-level providers in emergency obstetric and newborn health care: factors affecting their performance and retention within the Malawian health system" pot
... Aid We are grateful to the mid-level providers and key informants in Malawi who generously gave their time and shared their thoughts and concerns, and to the health Page of (page number not for ... of these factors This study set out to explore the perceptions of mid-level providers regarding the factors affecting their performance and retention within the Malawian health system and addressed ... What factors affect the quality of their working environment? • What structures and systems exist for MLP support and supervision? • What possibilities MLPs feel are available for training and...
Ngày tải lên: 18/06/2014, 17:20
Species and Varieties, Their Origin by Mutation, by Hugo DeVries docx
... "Mutationstheorie," but partly abridged and partly elaborated, in order to give a clear conception of their extent and scope New experiments and observations have been added, and a wider choice of the material ... adaptations and anomalous middle races Polygonum amphibium Alpine plants Othonna crassifolia Leaves in sunshine and shadow Giants and dwarfs Figs and ivy Leaves of seedlings E MUTATIONS XVI Origin ... Corrected and Revised CHICAGO The Open Court Publishing Company LONDON Kegan Paul, Trench, Trubner and Co., Ltd 1906 COPYRIGHT 1904 BY The Open Court Pub Co CHICAGO - THE ORIGIN OF SPECIES The origin...
Ngày tải lên: 28/06/2014, 19:20
Prevalence and risk factors for refractive errors and their associations with major age related eye diseases in adult singapore indians
... Cheung and Ms Lin Xiao-Yu In addition, the current and past clinical and administrative staffs of the Singapore Indian Eye Study is greatly appreciated for their hard work in recruitment and collection ... Prevalence and Risk Factors for Refractive Errors………………………………50 4.3 Axial Length and Other Ocular Biometric Parameters………………………… 54 4.4 Myopia Prevalence and Axial Length in the First and Second ... prevalence and patterns of myopia and other refractive errors and theirs associations with major age-related eye diseases in adult Singapore Indians The aims include: i) To determine the prevalence and...
Ngày tải lên: 09/09/2015, 10:21
Báo cáo y học: "Prevalence of Overactive Bladder, its Under-Diagnosis, and Risk Factors in a Male Urologic Veterans Population"
... Xu B and Song J Prevalence and risk factors of overactive bladder syndrome in Fuzhou Chinese women Neurourol Urodyn 2006; 25:717 Teleman PM, Lidfeldt J, Nerbrand C, Samsioe G, Mattiasson A and ... 20:327 Dallosso HM, Matthews RJ, McGrother CW, Donaldson MM, Shaw C and Leicestershire MRC The association of diet and other lifestyle factors with the onset of overactive bladder: a longitudinal study ... benefit from better detection and treat- 393 ment initiation The OAB-V8 questionnaire is a possible effective and fast screening tool Our study also examined the risk factors for OAB in men We found...
Ngày tải lên: 25/10/2012, 11:35
Báo cáo y học: "A review of anatomical and mechanical factors affecting vertebral body integrit
... pathophysiology of osteoporosis and the local and global environment in which the bone operates The local environment includes muscle and connective tissue attachments and the adjacent intervertebral ... lowest BMD, lowest trabecular number and greatest trabecular separation Generally vertebrae are less dense anteriorly and superiorly and more dense posteriorly and inferiorly with heterogeneity ... of longissimus and iliocostalis, thus reducing their capacity to resist shear force and Int J Med Sci 2004 1: 170-180 174 increasing the compression vector [57] Spinal posture and geometry may...
Ngày tải lên: 03/11/2012, 09:49
The Treatments of Social Phobia - Their Nature and Effects
... becoming less anxious and less handicapped and being more and better socially active remains uncertain Similarly, no studies to date have systematically observed the relapse rate on and after stopping ... phobia is in demand; a market in various services and products has sprung up to satisfy it Naturally, providers attempt to draw attention to their wares and to drum up more demand (e.g Gilbody, ... dealing with their real-life social/interpersonal circumstances and to use them in situations very much a part of their daily lives Admitting to being keen or red-faced, volunteering, and speaking...
Ngày tải lên: 01/11/2013, 08:20
Tài liệu Global Burden of Disease and Risk Factors ppt
... risk factors and their role in the current and future disease burden globally and in specific countries and regions His research on risk factors focuses on environmental risks, smoking, and nutritional ... Neoplasms and Their Long-Term Sequelae Disability Weights for Injuries Deaths by Cause, Sex, and Age in Low- and Middle-Income Countries, 2001 Deaths by Cause, Sex, and Age in the East Asia and Pacific ... Age and Sex Joint Contributions (PAFs) of the Leading Risk Factors to Mortality and Burden of Disease, by Region Individual and Joint Contributions of Risk Factors to 10 Leading Diseases and...
Ngày tải lên: 12/02/2014, 12:20
Tài liệu Materials, Their Properties and Uses doc
... sandpaper The chief types of abrasive sand include sandblast sand, glass-grinding sand, and stone-cutting sand Sand for stone sawing and for marble and glass grinding is usually ungraded, with no ... ABRASIVE SAND Any sand used for abrasive and grinding purposes, but the term does not include the sharp grains obtained by crushing quartz and used for sandpaper The chief types of abrasive sand include ... have tough, uniform grains Chats are sand tailings from the Missouri lead ores, used for sawing stone Banding sand is used for the band grinding of tool handles and for the grinding of plate glass,...
Ngày tải lên: 13/02/2014, 09:20
Tài liệu FUNGI: THEIR NATURE AND USES ppt
... parasitic, distorting, and in many cases ultimately destroying, their host, burrowing within the tissues, and causing rust and smut in corn and grasses, or even more destructive and injurious in such ... closer observation, and more and more education of the eye to see, and the mind to appreciate, relationships and distinctions We have already assumed that fungi are duly and universally admitted, ... and the foliage, it is to some extent possible to understand the connection between parasitic plants like fungi, which not derive their support from the constructive energy of their fronds, and...
Ngày tải lên: 13/02/2014, 12:20
Tài liệu Development Banks: Their role and importance for development ppt
... savings and time deposits, acquire liabilities that are individually small and protected from income and capital risk, are of short maturity and are substantially liquid in nature On the other hand, ... is expected to autonomously evolve and is left unregulated, market signals would determine the allocation of investible resources and therefore the demand for and the allocation of savings intermediated ... investments involve long gestation lags and take long to go into commercial production and return a profit Most savers, on the other hand, would not like to lock up their capital for long periods especially...
Ngày tải lên: 16/02/2014, 11:20
Tài liệu UNITS AND CONVERSION FACTORS E.J. ROSCHKE PROPULSION DIVISION JET PROPULSION LABORATORY doc
... mksq System Dimensions of esu and emu Electric and Magnetic Quantities Dimensions and Units for Physical Quantities — mksq System A Mechanical B Thermal C Electric and Magnetic Conversion of mksq ... Institute of Technology October 2001 UNITS AND CONVERSION FACTORS Table of Contents Section I II III IV V VI VII Page References Decimal Multiples and Submultiples Description of Units Mechanical, ... and Equations B Values of Universal Gas Constant, Boltzmann’s Constant and Avogadro’s Number in Different Units 22 22 23 23 24 24 25 26 27,28 27 28 References used in compiling these charts and...
Ngày tải lên: 22/02/2014, 09:20
Effect of raw material and processing factors
... root was higher than that in the leaf and flower (Table 2) and the total ratio of stalk and root at TN1 and TN2 was at 2.5 while it was only at 2.0 at TN3 and TN4, especially the ratio of root ... H, and Lo, R (2004) “Phenolic compounds from the leaf extract of Artichoke (Cynara scolymus L.) and their antimicrobial activities” J Agric Food Chem., 52 (24), 7272-8 Zhu, XF, Zhang, HX, and ... stalk and root Four tests were carried out, each with 30 g of leaf, flower, stalk and root in the following mass ratios: TN1: 1.0/0.5/1.5/1.0, TN2: 1.0/0.5/1.0/1.5, TN3: 1.5/0.5/0.5/1.5, and TN4:...
Ngày tải lên: 27/02/2014, 22:28
Nutritional Status and Associated Factors in Institutionalized Elderly docx
... important factors in understanding their nutritional status This demonstrates the importance of promoting care practices through health promotion with the elderly and families to improve their nutrition ... consisted of descriptive analysis and chi-square test, Fisher’s exact test and ANOVA to determine the factors associated with nutritional status, assessed by BMI and MAN In addition, we used multinomial ... vitamins and minerals, was not associated with nutritional status, or with socioeconomic data On the other hand, the mobility of the elderly, their financial contribution to the ILPI and frequency...
Ngày tải lên: 05/03/2014, 21:20
European Large Lakes – Ecosystem changes and their ecological and socioeconomic impacts doc
... nitrite nitrogen and nitrate nitrogen and the sum of both by ow analysis and spectrometric detection Gulati, R D & E van Donk, 2002 Lakes in the Netherlands, their origin, eutrophication and restoration: ... Ecosystem changes and their ecological and socioeconomic impacts Developments in Hydrobiology 199 Series editor K Martens European Large Lakes Ecosystem changes and their ecological and socioeconomic ... large lakes and their ecological and socioeconomic impacts The ELLS grew out of the International Lake Ladoga Symposia organized in 1993, 1996, 1999, and 2002, which improved our understanding of...
Ngày tải lên: 06/03/2014, 18:21
Báo cáo khoa học: Evolutionary origin and divergence of PQRFamide peptides and LPXRFamide peptides in the RFamide peptide family pdf
... Education, Science and Culture, Japan (13210101, 15207007 and 16086206 to KT; 15770040 to KU) It was also supported by NSF (0421923) to SAS and Foundation for Promotion of Material Science and Technology ... peptide ligand of a G-protein-coupled receptor Nature 411, 613–617 Kotani M, Detheux M, Vandenbogaerde A, Communi ´ D, Vanderwinden JM, Le Poul E, Brezillon S, Tyldesley R, Suarez-Huerta N, Vandeput ... groups may have diverged from a common ancestral gene To clarify the evolutionary origin and divergence of PQRFamide and LPXRFamide peptides, we sought to identify novel RFamide peptides from the...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khoa học: Origin and properties of cytoplasmic and mitochondrial isoforms of taurocyamine kinase pptx
... polychaete Neanthes and Nereis, the MiCKs from the polychaete Chaetopterus and Neanthes, LKs from the oligochaete Eisenia and the echiuroid Urechis, and the cytoplasmic muscle CKs from human and the electric ... Enzymes and Biochemical Evolution (van Thoai N & Roche J, eds), pp 199–229 Gordon and Breach, NY Watts DC (1968) The origin and evolution of phosphagen phosphotransferases Homologous Enzymes and ... 1239 bp and 5¢ and 3¢ untranslated regions of 68 bp and 373 bp, respectively The ORF codes for a protein containing 412 amino acid residues (Fig 1) with a calculated mass of 46 201.38 Da and estimated...
Ngày tải lên: 07/03/2014, 21:20
Mekong giant fish species on their management and biology
... process, gaps in data and knowledge will be identified and prioritised, and sufficient resources assigned to fill the high priority gaps ? The major sub-populations and their breeding grounds ... riverine species found in Thailand, Cambodia and Malaysia It prefers deep, clear water with sand or gravel substrate and abundant mollusc populations In Thailand, the fish is reported from the ... Fisheries Station Inland Fisheries Division, Department of Fisheries, Ministry of Agriculture and Cooperatives, Thailand 27 Mekong giant fish species – on their management and biology Meewan,...
Ngày tải lên: 14/03/2014, 08:47
STAINLESS STEELS their properties and their suitability for welding
... properties and are therefore used in furnaces and heat exchangers Their good impact strength at low temperatures is often exploited in apparatus such as vessels for cryogenic liquids Their properties and ... seawater handling within offshore, desalination, and coastal located process industries Some crevice corrosion has still been reported and for more severe situations, i.e severe crevice geometries and ... welded with preheating and postweld annealing Today’s ferritic steels of type S44400 and S44635 have considerably better weldability due to low carbon and nitrogen contents and stabilization with...
Ngày tải lên: 14/03/2014, 12:21