alkaloids isolation structure elucidation and syntheses

Synthetic progress toward parvistemonine, spiroxins a and b, and generation of palmarumycin analogues

Synthetic progress toward parvistemonine, spiroxins a and b, and generation of palmarumycin analogues

Ngày tải lên : 23/08/2015, 17:30
... of Stemona alkaloids 1.2 STEMONA ALKALOIDS ISOLATION, STRUCTURE ELUCIDATION AND SYNTHESES The scientific community was first introduced to the family of Stemona alkaloids with the isolation of ... XIX 1.0 INTRODUCTION TO THE STEMONA ALKALOIDS 1.1 THE STEMONA ALKALOID FAMILY 1.2 STEMONA ALKALOIDS ISOLATION, STRUCTURE ELUCIDATION AND SYNTHESES 1.3 STEMONA ALKALOID ... into the structure determination and isolation of new Stemona alkaloids Through the collective work of him and others, about 42 Stemona alkaloids have been described.5 In 1990, Ren-Sheng Xu and coworkers...
  • 289
  • 518
  • 0
Lessons From New American Schools'''' Scale-Up Phase pdf

Lessons From New American Schools'''' Scale-Up Phase pdf

Ngày tải lên : 16/03/2014, 03:20
... Sebring (1995), and Sizer (1992) Pressman and Wildavsky (1973), Mazmanian and Sabatier (1989), Bodilly et al (1996), and Huberman and Miles (1984) Pressman and Wildavsky (1973), Mazmanian and Sabatier ... changed practice RANDMR942-3.1 Selection process and school climate factors School structure and site factors Level of implementation in school Design and team factors District and institutional ... of research and evaluation work, RAND Education (formerly RAND’s Institute on Education and Training) has as its mission the improvement of educational policy and practice in formal and informal...
  • 159
  • 283
  • 0
GUIDANCE ON GLOBAL SCALE-UP OF THE PREVENTION OF MOTHER-TO-CHILD TRANSMISSION OF HIV potx

GUIDANCE ON GLOBAL SCALE-UP OF THE PREVENTION OF MOTHER-TO-CHILD TRANSMISSION OF HIV potx

Ngày tải lên : 28/03/2014, 09:20
... subregional and country mechanisms and structures, including networks and centres of excellence; • documenting and disseminating best practices and successful models; and • defining priorities and mobilizing ... newborn and child health and sexual and reproductive health care and to involve all partners, agencies and key stakeholders involved in PMTCT and HIV care for children; • identifying and supporting ... context of PMTCT and HIV care and treatment for children; • operationalizing the link between the delivery of PMTCT and sexual and reproductive health care; and • empowering and linking with...
  • 40
  • 348
  • 0
scale-up in chemical engineering, 2nd edition, 2006

scale-up in chemical engineering, 2nd edition, 2006

Ngày tải lên : 02/04/2014, 16:26
... 11 95 Typical Problems and Mistakes in the Use of Dimensional Analysis 101 Model Scale and Flow Conditions – Scale-up and Miniplants 101 The Size of the Laboratory Device and Fluid Dynamics 102 ... 102 The Size of the Laboratory Device and the Pi-space 103 Micro and Macro Mixing 104 Micro Mixing and the Selectivity of Complex Chemical Reactions 105 Mini and Micro Plants from the Viewpoint ... Analysis and Scale-up Exercises on Scale-up and Solutions 269 261 253 259 247 XI XIII Preface to the 1st Edition In this day and age, chemical engineers are faced with many research and design...
  • 277
  • 445
  • 0
solidliquid separation scale-up of industrial equipment

solidliquid separation scale-up of industrial equipment

Ngày tải lên : 02/04/2014, 16:35
... Ionicity 2.2.4.5 Molecular weight and structure 2.2.5 Surfactants Test protocols 2.3.1 Substrate preparation and characterisation 2.3.1.1 Substrate sampling and preparation 2.3.1.2 Substrate ... centrifuge tests 7.3.3.5 Summary Installation and operational considerations 7.4.1 Process 7.4.2 Mechanical and electrical installation Safety^, standards and risk analysis References 327 328 329 ... sedimentation and filtration tests and data analysis } Initial duty specification for equipment (Figure 1.5) r Preliminary datafi-omsedimentation and filtration tests (Figures 1.6 and 1.7) I Reject...
  • 471
  • 485
  • 0
02 bioprocess scale up

02 bioprocess scale up

Ngày tải lên : 10/04/2014, 13:02
... increase in Vs will achieve a negligible increase in KLa and serve only to waste air and/ or to generate foaming This not only predisposes the wetting and contamination of air filters, but also has the ... comparatively viscous and may suffer from inadequate mixing and oxygen transfer limitations yet are sensitive to shear stress through breakage of the hyphae Scale up of these and similar bioprocesses ... specific circumstances and the Bioprocess Engineer will be required to use professional experience in judging the optimum criterion For instance, a bioprocess with a high oxygen demand would likely...
  • 17
  • 225
  • 0
báo cáo sinh học:" Effective scale-up: avoiding the same old traps" doc

báo cáo sinh học:" Effective scale-up: avoiding the same old traps" doc

Ngày tải lên : 18/06/2014, 17:20
... standards, protocols and policies, and are standardized and replicable throughout a country to promote quality and consistency in outcomes Linking pre-service education, in-service training and ... and outside of training and education programmes–can enhance learning and promote retention and improved service delivery [7] Examples of areas for professional development include business and ... improvement and refined and promoted among USAID-funded agencies by the Performance Improvement Consultative Group– include adequate equipment, workspace and commodities; clear job descriptions and expectations;...
  • 4
  • 240
  • 0
báo cáo sinh học:" Tanzanian lessons in using non-physician clinicians to scale up comprehensive emergency obstetric care in remote and rural areas" ppt

báo cáo sinh học:" Tanzanian lessons in using non-physician clinicians to scale up comprehensive emergency obstetric care in remote and rural areas" ppt

Ngày tải lên : 18/06/2014, 17:20
... indicated and be able to perform such procedures; • Ability to diagnose and treat problems of the newborns (selected conditions) The training programmes took three months and involved both hands-on and ... development and implementation, data collection, analysis and wrote the manuscript SKP participated in curriculum development and implementation and wrote the manuscript GM reviewed the curriculum and ... health facilities (dispensaries and health centres) in Ulanga and Kilombero districts The mean annual delivery and caesarean section rates from 2005 to 2008 were 4,987 and 25% respectively The key...
  • 8
  • 245
  • 0
báo cáo hóa học:" A process evaluation of the scale up of a youth-friendly health services initiative in northern Tanzania" pot

báo cáo hóa học:" A process evaluation of the scale up of a youth-friendly health services initiative in northern Tanzania" pot

Ngày tải lên : 20/06/2014, 08:20
... Nyamukapa CA, Mason PR, Garnett GP, Chandiwana SK, Foster G, Anderson RM: Impact and process evaluation of integrated community and clinic-based HIV-1 control: a cluster-randomised trial in eastern Zimbabwe ... towards, and experience of different aspects of YFS In addition, data was collected on contextual and environmental factors, including: staffing; the space, layout and condition of the rooms; and ... pre-intervention (control) and two post-intervention health units were selected per district, and the sample included nine dispensaries, three health centres and four hospitals Three scenarios and checklists...
  • 12
  • 370
  • 0
Small-scale chicken production - Part 1 potx

Small-scale chicken production - Part 1 potx

Ngày tải lên : 02/07/2014, 00:20
... W Aqhdam, J Boland Design: J Boland Translation: I Guijt, W.J Guijt; C McGregor (editing) Printed by: Digigrafi, Wageningen, The Netherlands Revised by: G W Bouwman, G de Lange and I Puls ISBN ... poultry production and deal with threats like predation and infectious diseases It is a practical booklet with chapters on hatching, housing, nutrition and health I sincerely hope and believe that ... Network’), USDA Animal and Plant Health Inspection Service (APHIS) and the Newcastle Disease Field Guide by Alders and Spradbrow (ACIAR) The nutrition tables were provided by PTC+ and are based on...
  • 12
  • 212
  • 0
Small-scale chicken production - Part 2 pptx

Small-scale chicken production - Part 2 pptx

Ngày tải lên : 02/07/2014, 00:20
... hen and the chicks from predators, thieves and rain Put them in a simple, separate shelter that is roomy and airy and can be closed securely Draughts and low temperatures during the first few ... split bamboo support can hold a nest and thus keep brooding hens safe This is a light and mobile laying nest which is easily replaced and is out of reach of dogs and other predators A roll-away nest ... down C metal band around post 3.2 Small-scale housing In both the intensive and semi-intensive production systems, housing becomes very important for improving working conditions and minimising...
  • 20
  • 214
  • 0
Small-scale chicken production - Part 3 pptx

Small-scale chicken production - Part 3 pptx

Ngày tải lên : 02/07/2014, 00:20
... 16% Cu Calcium and phosphorus Calcium and phosphorus both primarily add to the structure and maintenance of the chicken bones The skeleton accounts for about 99% of the calcium and 80% of the ... intake, losses and utilisation by a chicken (PTC+ ) Dietary energy comes mainly from carbohydrates but also from fat and protein Chickens are usually given free access to food and allowed to ... between 1:1 and 2:1 However, laying birds need a ratio of up to 6:1, and they need about 4.0 g of calcium per day for eggshell formation Supplements like steamed bone-meal are added to chick and grower...
  • 16
  • 151
  • 0
Small-scale chicken production - Part 4 ppt

Small-scale chicken production - Part 4 ppt

Ngày tải lên : 02/07/2014, 00:20
... diseases, and mortality and financial losses caused by them This is done by: ? reducing the number of microbes in and around chicken houses and runs by cleaning and disinfecting houses and equipment ... fleas, lice, ticks and mites (figure 35) can cause a lot of discomfort to chicken by sucking blood and damaging the skin and feathers Chicken can be treated with pesticides, and the sand for dustbathing ... by: ? providing clean water, good food, housing and care (See Chapter and on how to avoid nutritional diseases and deficiencies.) ? applying hygiene and biosecurity measures (see below) ? vaccinating...
  • 16
  • 240
  • 0
Small-scale chicken production - Part 6 docx

Small-scale chicken production - Part 6 docx

Ngày tải lên : 02/07/2014, 00:20
... technology and nature protection and development Training programmes are practice-oriented and mix theory with practical application PTC+ offers ‘open entry’ programmes, ‘tailor-made’ programmes and ... Programmes are offered in the Netherlands and/ or at location It is the policy of PTC+ to search for partnerships and co-operation programmes with national and international institutions abroad ... millet has very small grains and resembles maize in composition and feeding value, but is considerably higher in protein value It has a similar feeding value to barley and, like barley, it promotes...
  • 23
  • 160
  • 0
Increase of microalgal production through symbiosis and scale up mircroalgal cultivation

Increase of microalgal production through symbiosis and scale up mircroalgal cultivation

Ngày tải lên : 09/09/2015, 11:14
... constituents and chemical structure of storage products Further detailed classification also considers the cytological and morphological character, such as the structure of flagella, the scheme and path ... Lipid extraction and measurement 48 3.5.7 Carbohydrate extraction and measurement 49 3.5.8 Protein extraction and measurement 50 3.5.9 Chlorophyll extraction and measurement ... converted and stored in Chapter biomass as forms of carbohydrates, proteins and lipids through photosynthesis Biofuels generally include biodiesel, bioalcohol, biogas (methane and CO2) and biohydrogen...
  • 225
  • 824
  • 0
The aspectual make up of Perfect participles and the interpretations of the Perfect- Roumyana Pancheva

The aspectual make up of Perfect participles and the interpretations of the Perfect- Roumyana Pancheva

Ngày tải lên : 18/10/2013, 14:15
... building a sandcastle.’ b Az strojax pjasâc!na kula I build-IMPERF.1SG.PAST sand castle ‘I was building a sandcastle.’ c Az postroix pjasâc!na kula I build-PERF.1SG.PAST sand castle ‘I built a sandcastle.’ ... is build-NEUT sand castle many times ‘Ivan has built a sandcastle many times.’ c Ivan e stroil pjasâc!na kula i predi Ivan is build-NEUT sand castle and before ‘Ivan has built a sandcastle before ... Alexandra will have been in LA by next year c Alexandra will have arrived in LA by Wednesday U EXP RES (4) a Having lived in LA for ten years, Alexandra {is/was/will be} ready to move U b Alexandra...
  • 33
  • 536
  • 0