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Tiny magnetic particles enable new material to bend, twist and grab
Tiny magnetic particles new material bend twist grab
2019/12/20
A team of researchers from the Georgia Institute of Technology and The Ohio State University has developed a material called magnetic shape memory polymer that uses magnetic fields to transform into a...
传统的基于频域和小波域的去模糊算法所得的复原图像总是存在比较明显的边缘振铃及模糊效应，而较为有效的空域迭代优化去模糊算法速度通常比较慢。为了解决上述问题，提出了基于二步迭代阈值收缩（TwIST）与总变分（TV）约束相结合的图像去模糊算法（TwIST-TV）。首先在去模糊目标函数中加入对图像的TV 正则化约束，其次在对图像小波系数的每次二步迭代之前，加入对图像的TV 优化去噪约束，最后迭代获取去模糊...
A Temperature-Insensitive Twist Sensor by Using Low-Birefringence Photonic-Crystal-Fiber-Based Sagnac Interferometer
Birefringence low-birefringence photonic crystal fi ber optical fi ber twist sensor Sagnac interferometer
2013/5/27
An optical fi ber twist sensor is proposed by using solid core low birefringence photonic crystal fi ber (LB-PCF)-based Sagnac interferometer. The twist effects on the fi ber are theoret-ically analyz...
连体杯子——1640 Twist桌
1640 Twist桌 连体杯子
2009/9/9
1640 Twist桌是由德国设计师Wulf Schneider于2005年为德国Draenert公司设计，并获得了2006年的红点设计奖。1640 Twist桌特有的造型在桌类产品里可以说是绝无仅有。三个人工吹制的独立圆锥形玻璃分别排列在等边三角形的三个顶点，再由一个轻质桌面相连，便形成了1640 Twist桌独特的外形。
Analyzing the Path and the Tension of a Yarn under a False-twist Process Using a Doubly Stacked Multi-disk Spindle
Textured yarn Doubly stacked multi-disk spindle Friction twisting
2009/4/21
The path followed by and the tension generated along a yarn under a false-twist process using an enlarged model unit of a doubly stacked multi-disk spindle are measured and analyzed on the basis of a...
Effect of Process Parameters on the Twist of 100% Polyester OE Rotor Yarns
rotor spinning twist twist difference opening roller polyester yarn
2009/2/19
This work investigates the influence of rotor spinning process parameters on the twist difference values of 100% polyester rotor spun yarns. Eight different types of opening roller, four different typ...
Influence of changes in Yarn Twist on the Dynamics of Yarn Motion During Spinning on a Ring Spinning Machine
ring spinning machine twisting-and-winding unit yarn twist yarn motion
2009/2/17
The value of twist is an essential yarn property for a spinner. This paper presents an analysis
of the influence of changes in the yarn twist value on yarn tension and the stability of yarn
formatio...
Comparison of the Properties of False Twist Textured Super Bright, Semi-dull, Grey and Black Dope Dyed Polyethylene Terephthalate Yarns
PET yarns false twist texturing super bright semi-dull dope dyed PET
2009/2/16
Dope-dyed polyethylene terephthalate (PET) set yarns, which are usually used for the production of fabrics dedicated to manufacture car seats, have better light and washing fastnesses when compared wi...
Selected Aspects of Yarn Formation with a False-twist Method in the Air-jet Spinning Chamber
air-jet spinning false-twist chamber yarn formation
2009/2/16
Some selected aspects of the yarn formation in the air-jet false-twist spinning chamber operating according to the MJS (Murata Jet Spinning) principle were discussed. The chamber under investigation i...
Air Flow in the Air-jet False-twist Spinning Chamber
air-jet spinning false-twist chamber air flow
2009/2/13
We discuss the air flow in a false-twist spinning chamber operating according to the MJS (Murata Jet Spinning) principle. The chamber under investigation is characterised by a straight inlet channel a...
A New Method of Measuring Twist of Yarn
twist new method twist-tester CZ/V-1 test yarns test methods
2009/2/11
The paper presents a new method for determining yarn twist that eliminates the drawbacks of the presently used ‘reverse-twisting method’. The new method may be described as a ‘two-end untwisting/twist...
Influence of Major False-Twist Texturing Parameters on the Structural Properties of Polyamide 6.6 Yarn
false-twist texturing high-temperature heater polyamide crimp mechanical
2009/2/7
In this paper, we investigate the effect of texturing parameters in a false-twist draw-texturing process on the mechanical properties and the structure of polyamide yarns. A high-temperature heater wa...
Active twist of model rotor blades with D-spar design
active twist Macro Fiber Composite (MFC) helicopter rotor blade optimal design finite element method
2010/11/1
The design methodology based on the planning of experiments and response surface technique has been developed for an optimum placement of Macro Fiber Composite (MFC) actuators in the helicopter rotor ...
The Influence of Filter Parameters on the Response of Ceramic Filters Operating in the Thickness-Twist Mode
Filter Parameters Ceramic Filters the Thickness-Twist Mode
2010/12/28
Starting with common equivalent circuits, computer programs have been designed to enable the calculation of filter responses from the parameters of the ceramic material and the dimensions of the elect...