This work proposed a new method for a gravity compensation using the noncircular pulley, cable driving, and spring balancer. The noncircular pulley is arranged in the front of one transmission chain. When the mechanism apply this method for the gravity compensation of some multi-DOF and multilink manipulator, it can be achieved that a perfect gravity balance and less number of springs. To obtai...

Concrete pump robots are used for very wi le operating ranges, so elastic deformations of the links must be taken into account . Concrete pumps demand actuators with a high power density, able to produce large forces which can be achieved by the use of hydraulically driven actuators . Hydrostatic differer tial cylinders are widely used because of their simple construction. For multilink flexil ...

Physical interactivity is a major challenge in humanoid robotics. To allow robots to operate in human environments there is a pressing need for the development of control architectures that provide the advanced capabilities and interactive skills needed to effectively interact with the environment and/or the human partner while performing useful manipulation and locomotion tasks. Such architect...

The research examined the relationship between 65 5- to 7-year-olds' finger gnosia, visuo-spatial working memory, and finger-use in solving single-digit addition problems. Their non-verbal IQ and basic reaction time were also assessed. Previous research has found significant changes in children's representational abilities between 5 and 7 years. One aim of the research was to determine whether ...

conclusions our findings revealed that the zfn technology could be employed to overcome ampicillin resistance by the targeted disruption of the ampicillin resistance gene, which leads to inactivation of β-lactam synthesis. therefore, zfn technology could be engaged to decrease the antibiotic resistance issue with the construction of a zfn archive against different args. to tackle the resistance...

the present study was conducted to examine the effect of using latex and nitrile examination gloves on hand dexterity.  a  sample  consisting  of  30  university  students  from  urmia  university  of  medical  sciences participated in this study in 2013. the participants conducted purdue pegboard test in three experimental conditions: bare hand (control), with latex gloves and with nitrile glo...

introduction: the purpose of this report was to present a successful treatment approach in an unusual gingival recession as a result of finger sucking traumatic habit associated with high labial frenum. case report: a 10-year-old girl presented moderate pain, recession in the mandibular right incisor and finger sucking habit. the performed treatment was: oral hygiene instruction, use of palatal...

~~~T~!\g. We propose a new type of semantic memory, called thread memory. Thc primitives or this memory are threads, dcfined as keyed multilink, loop-frce chains, which link semantic nodes. All links run from superordinate cat.egories to subordinate categories. This is the opposite direction to those in the usual tree structure in that brother nodes in the trce share t.he str"ucture above their...

OBJECTIVES This study evaluated the clinical outcome of all-ceramic resin-bonded fixed partial dentures (RBFPDs) with a cantilevered single-retainer design. METHODS Thirty anterior zirconia ceramic RBFPDs were inserted using either a phosphate monomer containing resin (Panavia 21 TC; N=16) or an adhesive bonding system with a phosphoric acid acrylate primer (Multilink-Automix with Metal/Zirco...

A linear time-invariant singularly perturbed system with multiple pointwise and distributed small time delays is considered. A novel (direct) approach to exact slow-fast decomposition of this system is proposed. In contrast with the existing method, this approach uses neither a preliminary transformation of the original differential system to an integral one nor rather complicated integral mani...