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The core-sheath fiber structure and spinning materials properties make the fiber have a good heat-bonding performance.
The core-sheath fiber structure and material properties make the fiber have a good heat-bonding performance [1-2].
Spinning and finishing technology 2.1 Spinning raw materials Spinning materials are shown in Table 1: Table 1 Spinning materials Material Melting index [MI] Weight average molecular weight [10,000] Density [g/cm 3] PP 20~25 15 0.901 HDPE 18~25 12.1 0.961 2.2 Spinning equipments Of the spinning equipments for PP/HDPE heat-bondable composite fiber, screw extruder, pre-filter, measuring pump, take-up machine were common spinning assembly.
(2)The core-sheath fiber structure, spinning material properties and especially the thermo-fusing character make the fiber have a good heat-bonding performance.
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Acknowledgements This work was financially supported by the Guangxi University of Technology Natural Science (1074018) and the Education Department of Guangxi Province Natural Science Foundation (201010LX205).
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Nevertheless, the classical models that depict hygric transport within building materials seem not accurate enough for bio-based materials as they are simplified on several points of view.
Hygrothermal properties of light-earth building materials.
Modelling of hysteresis influence on mass transfer in building materials.
Moisture hysteresis influence on mass transfer through bio-based building materials in dynamic state.
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., Taipei City 106, Taiwan myhow@seed.net.tw Keywords: Economic, Recycling, Optical Materials, Ultrasonic, Micro Machining, Bar-shaped Tool.
He found that ultrasonic drilling eliminated the splitting and burring of composite materials [3].
Acknowledgements The current study is supported by the National Science Council, contract 99-2221-E-152-001.
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Therefore, it is essential to coat magnetite nanoparticles with other suitable materials to improve their chemical stability with coating materials such as surfactant [11], silica [12], graphene oxide material [13], semiconductor material [14] or polymer on its surface [15,16].
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Darminto, Contributions of TMAH Surfactant on Hierarchical Structures of PVA/Fe3O4–TMAH Ferrogels by Using SAXS Instrument, Journal of Inorganic and Organometallic Polymers and Materials. 28 (2018) 2206–2212
Taufiq, Sunaryono, Antibacterial Performance of Fe3O4/PEG-4000 Prepared by Co-precipitation Route, IOP Conference Series: Materials Science and Engineering. 515 (2019) 012085

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Weakness of the Investment of Science and Technology.
The safety of health food mainly depends on the security of quality and composition of raw materials.
Zongrui Wu [3] found that to some extent, the assurance of the quality safety of health food products is on the basis of quality and safety of raw materials.
The results of Yan Dong and Xiaolin Zhang [4] showed it is roughly the same on quality and safety with general food for the health food products with traditional food as raw materials.
Wan: Chinese Journal of Food Hygiene Vol. 22, No.4 (2010), p. 357-360

Two different samples were prepared: first a Ba2Ti9O20 specimen and second a 1wt% Nb2O5-added Ba2Ti9O20 composition, using BaO and TiO2 as precursor materials.
Raw materials used were barium carbonate (BaCO3) and titanium oxide (TiO2).
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According to the experience of polishing worker, great polishing pressure is used to remove more materials at rough finish, and small polishing pressure is used to remove material at fine finish.
Acknowledgement This research was sponsored by Talent Training Plan of Jiamusi University (RC2010-026), Youth Academic Talent Program of Heilongjiang Province (1251G061), Ningbo Science and Technology Key Program (2010B10001) and Zhejiang Provincial Natural Science Foundation of China (Y1110708).
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