Good Quality ASME B18.22.1 ASTM F844 USS SAE Flat Washers to panama Importers
ASTM F844 covers round and miscellaneous shape flat washers. These unhardened washers typically have a larger outside diameter than F436 structural washers and are for general purpose use. They are suitable for use with A307 fasteners and whenever specified. Dimension: ANSI B18.22.1 Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet Advantage: High Quality and Strict Quality Control, Competitive price,Timely...
Good Quality ASME B18.22.1 ASTM F844 USS SAE Flat Washers to panama Importers Detail:
ASTM F844 covers round and miscellaneous shape flat washers. These unhardened washers typically have a larger outside diameter than F436 structural washers and are for general purpose use. They are suitable for use with A307 fasteners and whenever specified.
Dimension: ANSI B18.22.1
Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports
Please feel free to contact us for more details.
Product detail pictures:
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The Disc-Lock Washer harnesses Disc-Lock’s wedge-locking system to prevent nuts and bolts coming loose. Under vibration, a nut or bolt will attempt to rotate loose but the interlocking cams and non-slip ridges of the Disc-Lock Washer work together to create a jamming effect, preventing the nut or bolt from rotating and maintaining joint integrity.
For more information visit http://www.disc-lock.co.uk
4th Annual NIH Conference on the
Science of Dissemination and Implementation:
Policy and Practice
March 21-22, 2011
NIH Sponsored Training on
Impact Evaluation Using Randomized Trials
In Partnership with Abdul Latif Jameel Poverty Action Lab
About the Workshop
Rigorous impact evaluation is a critical ingredient in evidence-based policy. Within the health sector, randomized controlled trials (RCTs) are considered standard practice in clinical research. However, evaluation of programs and policies to implement large-scale health interventions tend to be far less rigorous. Much of this is due to the fact that researchers, health practitioners and policymakers are sometimes unsure of how to reconcile the rigor of clinical trials with the uncontrolled diversity of the field, particularly when operating in a developing country context. Political, logistical and ethical constraints can often make the ideal research design appear infeasible.
The Abdul Latif Jameel Poverty Action Lab (J-PAL) is a network of empirical research economists who specialize in international development and have acquired substantial expertise running randomized evaluations in such settings. Researchers in the J-PAL network have adapted the driving characteristic of RCTs– randomization of the treatment — to test the effectiveness of health programs and policies in what are often difficult environments.
J-PAL, in partnership with the NIH, is offering a workshop on how to incorporate rigorous impact evaluation methodologies into operations and implementation research (OR/IR). J-PAL researchers will share their experience evaluating programs on HIV/AIDS, immunization, maternal health, reproductive health, human resources for health and mobile health technologies. Using these case studies, they will cover the research design and implementation considerations necessary to conduct randomized evaluations. Through this workshop, participants will acquire many of the tools and lessons necessary to implement rigorous impact evaluations in a number of contexts and over a range of global health issues.
Participants should be researchers, clinicians, or senior program managers with a Masters, PhD, or equivalent who are interested in implementation research. Some research background expected. Participants may come prepared with the details of a clinical or public health program/intervention that they are interested in studying, including the setting, context, and the size and characteristics of the target population.
U.S. Department of Health & Human Services (HHS)
National Institutes of Health (NIH)
John E. Fogarty International Center (FIC)
National Cancer Institute (NCI)
Office of Behavioral and Social Sciences Research (OBSSR)