1. The flexural rigidity of the large abfrontal cilia of Mytilus has been measured with a flexible glass micro-needle.. 2. The same cilium has similar values to the flexural rigidity irrespective of the phases of beat cycle (including the recovery phase) and of the direction of force applied.. 3. The values of 3-13 x 10-9 dyne. cm2 have been obtained for the flexural rigidity of compound cilia of various sizes; 2-3 x 10-10 dyne.cm2 for that of the component cilia.. 4. The Youngs modulus of the microtubule is estimated to be 5-9 x 1010 dyne/cm2 on the basis that the outer doublet microtubules are tightly connected with one another.. ...
Past research has provided evidence that the ordering of events impacts customer repurchase behaviors. Other research has been conducted to model and solve a complex bundling and scheduling problem with the intention of optimizing various sequence effects across multiple bundles sharing the same time and space. In this paper, we extend the past models to question the impact of individual event level scheduling flexibility and bundle membership flexibility on the ability to create sequence-effect-based schedules. Event and venue planners must consider the scheduling flexibility of each event and determine the flexibility that bundles might have in event membership. This paper addresses the impact of various levels of these two types of flexibilities on sequence-effect-based scheduling efforts by creating a number of experimental problems with various flexibility characteristics and compare near-optimal solutions in order to test hypotheses about the impact of flexibility ...
TY - JOUR. T1 - Rolling properties of rGPIBα-conjugated phospholipid vesicles with different membrane flexibilities on vWf surface under flow conditions. AU - Takeoka, Shinji. AU - Teramura, Yuji. AU - Okamura, Yosuke. AU - Tsuchida, Eishun. AU - Handa, Makoto. AU - Ikeda, Yasuo. PY - 2002. Y1 - 2002. N2 - The recombinant fragment of the platelet membrane glycoprotein, rGPIb́, was conjugated to phospholipid vesicles with the average diameter of ca. 1 μm using N-succinimidyl 3-(2-pyridyldithio) propionate (SPDP). We used five kinds of rGPIb́-vesicles with different fluorescent anisotropies of 1,6-diphenyl-1,3,5-hexatriene (DPH) to study the rolling properties of the vesicles on the von Willebrand factor (vWf)-immobilized surface. Under flow conditions, the rolling velocity of the rGPIb́-vesicles decreased with the increasing membrane flexibility. It is considered that the vesicles with a high membrane flexibility have a high deformability and can be flattened to a high degree during rolling ...
BioMed Research International is a peer-reviewed, Open Access journal that publishes original research articles, review articles, and clinical studies covering a wide range of subjects in life sciences and medicine. The journal is divided into 55 subject-specific sections.
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C674 - 13 Standard Test Methods for Flexural Properties of Ceramic Whiteware Materials , ceramic whiteware materials, flexural properties,
This invention is directed to an intracorporeal device formed of a high strength Co-Ni-Cr alloy and is particularly suitable for forming a composite product with a pseudoelastic member formed of NiTi alloy. Suitable intracorporeal products include guidewires and stents. The high strength alloy consists essentially of about 28 to about 65% cobalt, about 2 to about 40% nickel, about 5 to about 35% chromium, up to about 12% molybdenum, up to about 20% tungsten, up to about 20% iron and the balance inconsequential amounts of impurities and other alloying constituents, with a preferred alloy composition including about 30 to about 45% cobalt, about 25 to about 37% nickel, about 15 to about 25% chromium and about 5 to about 15% molybdenum. Intravascular devices such as guidewires, stents and the like can be formed of this high strength Co-Ni-Cr alloy.
This invention is directed to an intracorporeal device formed of a high strength Co-Ni-Cr alloy and is particularly suitable for forming a composite product with a pseudoelastic member formed of NiTi alloy. Suitable intracorporeal products include guidewires and stents. The high strength alloy consists essentially of about 28 to about 65% cobalt, about 2 to about 40% nickel, about 5 to about 35% chromium, up to about 12% molybdenum, up to about 20% tungsten, up to about 20% iron and the balance inconsequential amounts of impurities and other alloying constituents, with a preferred alloy composition including about 30 to about 45% cobalt, about 25 to about 37% nickel, about 15 to about 25% chromium and about 5 to about 15% molybdenum. Intravascular devices such as guidewires, stents and the like can be formed of this high strength Co-Ni-Cr alloy.
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A novel theoretical methodology is introduced to cidentify dynamic structural domains and analyze local flexibility in proteins. The methodology employs a multiscale approach combining identification of essential collective coordinates based on the covariance analysis of molecular dynamics trajectories, construction of the Mori projection operator with these essential coordinates, and analysis of the corresponding generalized Langevin equations. Because the approach is based on a rigorous theory, the outcomes are physically transparent: the dynamic structural domains are associated with regions of relative rigidity in the protein, whereas off-domain regions are relatively soft. This allows introducing a score for the local flexibility in the macromolecule with atomic-level resolution. In this contribution, the background of the methodology is presented and examples of applications are given. These include identification of structural domains and characterization of the flexibility in protein G and
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Both the effectiveness and efficiency of water intake are found to vary significantly from one location to another, posing problems when users demand a certain water quality when and where they need it. A demand that water managers cannot possibly meet due to the inadequacy of the infrastructure and the lack of sufficient water intake in some periods. This situation does not occur in current practice: of all agricultural land in the Netherlands, 19% is under irrigation, with 14% in Southwest Delta (The State, 2011). It also poses less of a problem when water managers and users want and are able to come to an agreement about the locations that will be provided with water of sufficient quality and quantity in the next growing season. This requires consultation and flexibility on both sides, as well as a high degree of solidarity among the users to reach agreement on a skewed distribution of costs and benefits, as some locations require much more water and/or much more effort is needed to deliver a ...
Cultivating a focused flexibility mindset means developing an ability to shift flexibly among opportunities as circumstances dictate while focusing on present needs. It means creating a mindset about the dangers of the extremes and being able to lean in the right direction at the proper time. An over-emphasis on either extreme can be problematic: a fixation on focus may lead to cognitive rigidity; an over-emphasis on flexibility may lead to constant shifting which may hinder the capacity to excel. The practice of focused flexibility is difficult for a variety of reasons: 1) Unexamined success. It is too easy to stay with the success of the status quo. As a result, leaders lack the flexibility to move to a new platform because their current success silently morphs into inertia. 2) Unmanaged stress. The loss of a major client or departure of a key leader may create stress in the organization such that leaders retreat to protect what is absolutely vital and ignore the rest. 3) Dysfunctional sensory ...
The microscopic flexibility of DNA is a key ingredient for understanding its interaction with proteins and drugs but is still poorly understood and technically challenging to measure. Several experimental methods probe very long DNA samples, but these miss local flexibility details. Others mechanically disturb or modify short molecules and therefore do not obtain flexibility properties of unperturbed and pristine DNA. Here, we show that it is possible to extract very detailed flexibility information about unmodified DNA from melting temperatures with statistical physics models. We were able to retrieve, from published melting temperatures, several established flexibility properties such as the presence of highly flexible TATA regions of genomic DNA and support recent findings that DNA is very flexible at short length scales. New information about the nanoscale Na+ concentration dependence of DNA flexibility was determined and we show the key role of ApT and TpA steps when it comes to ...
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|div class=prodname|Loctite 271 Threadlocker Capsule-0.5ml|/div| |div class=proddescription| |p||span|Loctite Threadlocker 271 is a high strength, red threadlocker for heavy-duty applications. Especially well suited for permanently locking studs and
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Everyone wants to get more flexible, but how can you actually make that happen? From stretching correctly to increasing mobility, heres everything you need to know.
For applications of metalâ organic frameworks (MOFs) such as gas storage and separation, flexibility is often seen as a parameter that can tune material performance. In this work we aim to determine the optimal flexibility for the shape selective separation of similarly sized molecules (e.g., Xe/Kr mixtures). To obtain systematic insight into how the flexibility impacts this type of separation, we develop a simple analytical model that predicts a materialâ s Henry regime adsorption and selectivity as a function of flexibility. We elucidate the complex dependence of selectivity on a frameworkâ s intrinsic flexibility whereby performance is either improved or reduced with increasing flexibility, depending on the materialâ s pore size characteristics. However, the selectivity of a material with the pore size and chemistry that already maximizes selectivity in the rigid approximation is continuously diminished with increasing flexibility, demonstrating that the globally optimal separation exists ...
CAD/CAM, robotics, and factories of the future 90 : 5th International Conference on CAD/CAM, Robotics, and Factories of the Future (CARS and FOF90) ...
TY - JOUR. T1 - Improvement of flexural strengths of poly(L-lactic acid) by solid-state extrusion, 2. T2 - Extrusion through rectangular die. AU - Lim, Jung Yul. AU - Kim, Soo Hyun. AU - Lim, Soonho. AU - Kim, Young Ha. PY - 2003/1/31. Y1 - 2003/1/31. N2 - Solid-state extrusion of poly (L-lactic acid) (PLLA) through rectangular die was performed to produce high flexural strength plates that can be used as internal fixation devices. A single-angle wedge-shaped rectangular die was utilized having the die exit dimension of 4 mm x 1 mm. Billets were machined out from vacuum compression molded PLLA having different crystallinities to have various thicknesses and thus various imposed draw ratios. Solid-state extrusion of billets was performed at various drawing rates at 130°C, above glass transition and below melting temperature. Extruded plates had the width and thickness smaller than the die due to the further drawing outside the die. The decrease in width was larger than the decrease in thickness, ...
Fatigue strength: effect of welding type and joint design executed in Ti-6Al-4V structures Background: This study evaluated the fatigue strength of Ti-6Al-4V-machined structures submitted to laser (L)-welding and TIG (TIG)-welding procedures, varying the joint designs. Materials and methods: Seventy dumbbell rods were machined in Ti-6Al-4V alloy with central diameters of 3.5 mm. The specimens were sectioned and welded using TIG or L and three joint designs {I design, varying welding distances [0.0 mm (I00) or 0.6 mm (I06)], or X [X] design}. The combinations of variables created six groups, which, when added to the intact group, made a total of seven groups (n = 10). L was executed as follows: 360 V/8 ms (X) and 390 V/9 ms (I00 and I06), with focus and frequency regulated to zero. TIG was executed using 2: 2 (X) and 3: 2 (I00 and I06) as welding parameters. Joints were finished, polished and submitted to radiographic examination to be analysed visually for the presence of porosity. The ...
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Effects of wear and member flexibility on the dynamic performance of a planar five-bar mechanism with joint-clearance are investigated. The equation of motion of the mechanism is derived based on the absolute nodal coordinate formulation (ANCF). In order to enhance the accuracy of the contact force, the slope of the load-displacement curve of the cylindrical joint with clearance is used. The contact deformation couples the joint wear to the contact state. The contact force model of Flores and coworkers is improved, by the introduction of the stiffness coefficient. The wear depth is predicted by using the Archards wear model. Simulations show that the multiclearance joints can generate stronger contact forces relative to single clearance joint case. This leads to more severe wear in the joint. However, the mechanism with multiple flexible links can absorb more of the energy arising from the clearance joint, and this improves the wear phenomenon.. ...
are presented. A Greens function for the edge-crack T-stress is developed. The differing developments made by Koiter (1956, "On the Flexural Rigidity of a Beam Weakened by Transverse Saw Cuts," Proc. Royal Neth. Acad. of Sciences, B59, pp. 354-374, Wigglesworth (1957, "Stress Distribution in a Notched Plate," Mathematika, 4, pp. 76-96), and Stallybrass (1970, "A Crack Perpendicular to an Elastic Half-Plane," Int. J. Eng. Sci., 8, pp. 351-362) for the case of an edge-cracked half-plane are enhanced by deducing a quantitative relationship between the three different Wiener-Hopf type factorizations. An analytical universal T-stress expression for edge-cracks is derived. Finally, the case of a vanishing uncracked ligament in a half-plane is examined, and the associated Wiener-Hopf solution and analytical T-stress expression are again provided. Several limiting cases are examined.. ...
Price: US$ 995,00. This data driven report contains over 30 links to online copies of actual head and neck cancer deals and contract documents as submitted to the Securities Exchange Commission by companies and their partners, where available. Contract documents provide the answers to numerous questions about a prospective partners flexibility on a wide range of important issues, many of which will have a significant impact on each partys ability to derive value from the deal.. More information can be found in the report "Head and Neck Cancer Partnering 2007-2012" by CurrentPartnering.. To order the report or ask for sample pages contact [email protected] Contacts. MarketPublishers, Ltd ...
ANNECY -- U.S. toon helmer Shane Acker and Irelands Brown Bag Films are teaming with vidgame developer Valve to slash costs and amp up flexibility on Ackers Deep.
Linear Chemicals, S.L.U. is a Spanish company founded in 1994 in Barcelona. Manufactures and commercializes In Vitro Diagnostic Reagents and Instrumentation under its brands Cromatest®, Clonatest®, Plus-Sed® and LiNEAR®. Currently present in 5 continents, 125 countries, Linear is developing new Biotechnology products with the best quality at competitive prices. Our experience and flexibility on production meets all the requirements in OEM and ODM business.. ...
With most saltwater fish, there looks to be this good flexibility on having your salinity be between 1020-1025. I have my tanks at 1023-1024. Is there an ideal salinity that fish like?
There is a common misperception in the fitness world that clients must have access to free weights, dumbbells and machines in order to experience significant strength-training results. Personal trainers recognize that body-weight training can be a powerful tool in any training arsenal. Suspension training is simply one more tool to add to that arsenal. This video will focus on creating an assortment of training programs that not only enhance overall strength, but have a profound effect on flexibility, balance, reaction and SAQ (speed, agility, quickness).
There is a common misperception in the fitness world that clients must have access to free weights, dumbbells and machines in order to experience significant strength-training results. Personal trainers recognize that body-weight training can be a powerful tool in any training arsenal. Suspension training is simply one more tool to add to that arsenal. This course will focus on creating an assortment of training programs that not only enhance overall strength, but have a profound effect on flexibility, balance, reaction and SAQ (speed, agility, quickness).
PURPOSE: To examine the effects of static and dynamic stretching routines performed as part of a comprehensive warm-up on flexibility and sprint running, jumping and change of direction tests in team sport athletes. METHODS: A randomized, controlled, cross-over study design with experimenter blinding was conducted. On separate days, 20 male team sport athletes completed a comprehensive warm-up routine. After a low-intensity warm-up a 5-s static stretch (5S), 30-s static stretch (30S; 3×10-s stretches), 5-repetition (per muscle group) dynamic stretch (DYN) or no stretch (NS) protocol was completed; stretches were done on 7 lower body and 2 upper body regions ...
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Elixa is a 6 day program of high strength probiotics to help you achieve optimal gut health. Inside each box are 6 sachets, each containing one daily dose of 500 Billion CFUs. This daily dose consists of 10 easy-to-swallow capsules. All you need to do is take one daily dose in the morning, on an empty stomach, for 6 consecutive days! Be sure to wash them down with plenty of water or juice.. For people who are serious about achieving the highest levels of gut health as rapidly as possible, we recommend the double pack - taken over 12 consecutive days. After your course is complete you can sit back and enjoy the benefits of a healthy gut. No need to be taking supplements every day for months on end!. We recommend repeating the program whenever you feel like your healthy bacteria may be in need of a top-up! For example - during and after antibiotic usage, during and after a stomach bug, and after any excessive consumption of alcohol or junk food. We always recommend first-time users of Elixa to ...
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To this end, NSBA believes the following legislative issues must be addressed in order for local districts to maximize educational opportunities that are available for every student to reach their greatest learning potential. In addition to the specific legislative issues outlined below, NSBA believes Congress must continue its oversight of the implementation of the Every Student Succeeds Act (ESSA) to ensure state and local flexibility in K-12 education. As states and districts work to implement the law, Congress must recognize the critical role of local school boards to lead the local district planning process and set policy and programs to best meet student learning needs.. ...
It is our objective at Instron to provide our customers the best ownership experience by delivering the highest quality products, expert support and world-class service.". ...
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With the advent of very high strength concrete, such as that manufactured by LaFarge, calculations that have been used historically to determine the explosive content needed to breach concrete structu ... ...
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A uniaxial natural fabric of Hildegardia populifolia was treated with 5% sodium hydroxide solution for 1 h, and the resulting changes were analyzed by polarized and scanning electron microscopic techniques. The untreated and treated H. populifolia fabric was reinforced in epoxy and toughened with 10% polycarbonate. The variation of the flexural strength and flexural modulus with different fabric contents and fiber orienrations was studied. The effect of sodium hydroxide and a silane coupling agent on the flexural properties of the composite was also studied. It was observed that the flexural properties increased on alkali treatment and when the coupling agent was used. The morphology of the cryogenically fractured surfaces indicated good bonding between the matrix and the reinforcement when a coupling agent was used. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 1297-1302, 2006 ...