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Aflatoxins have a widely pollution on the raw materials and end product of food.
Combined with the purification materials immuneoaffinity column for instance can greatly improve the detection accuracy and sensitivity.
Chinese Journal of Analytical Chemistry. 2009, 37(5) 764-771
Swine Industry Science, 2009,(9) 66-69
Food Science. 2001, (2) 42-43

Wolter 4,f 1 The Faculty of Physics and Applied Computer Science AGH University of Science and Technology Al.
Mickiewicza 30, 30 - 059 Kraków, Poland 2 Institute of Inorganic Chemistry and Technology, Cracow University of Technology Warszawska str. 24, 31 - 155 Kraków, Poland 3 The Faculty of Materials Science and Ceramics, AGH University of Science and Technology Al.
The application of multitracer method of diffusion measurements in materials mentioned above is presented.
All these isotopes emit γ-radiation, so the radiation absorption in specimen material may be neglected.
Yuan: Journal of Materials Science Letters, Vol. 22 (2003), p. 755 3.

Elkhatib1 1Physics Department, Faculty of Science, Menoufia University, Shebin El Koom, Egypt 2Chemistry Department, Faculty of Science, Menoufia University, Shebin El Koom, Egypt aelhofy2000@yahoo.com Keywords: Grain Boundary Parameters, Gd2O3, J-E Characteristics, Microstructure, Pr6O11, ZnO Abstract To the best of our knowledge the difference in the magnetic properties of ions like Gd (7.94 μB) and Pr (3.58 μB) on the electrical properties of ZnO-varistor have not been studied.
The higher values of breakdown voltage of ZnO varistor bulk decrease the height of arrester column and save the expensive raw material.
Soc., (1981). 309-15 [7] D.R.Clarke, Grain Boundary Segregation in a Commercial ZnO-Based Varistor, Journal of Applied Physics, 50 (1979) 6829-32 [8] M.El-Hofy, Grain Boundary Defects Induced Switching in Zn- Bi- Mo Ceramic, Defect and Diffusion Forum, 251-252, (2006) 13-20 [9] M.El-Hofy, Non-Ohmic Behavior of Some ZnO Ceramic Defective Ions with Different Valences, Defect and Diffusion Forum, 293 (2009) 91-7 [10] J.Wong, Nature of Intergranular Phases in Non-Ohmic ZnO Ceramics Containing 0.5 mol% Bi2O3, Journal of the American Ceramic Society, 57 (1974) 357-9 [11] J.Wong, P.Rao and E.F.Koch, Nature of an Intergranular Thin Film Phase in a Highly Non-Ohmic Metal Oxide Varistor, Journal of Applied Physics, 46 (1975) 1827-30 [12] K.Mukae and I.Nagasawa, Effect of Pr Oxide and Donor Concentration in the Grain Boundary Region of ZnO Varistors, in Advances in Ceramics, 1, Ed.
Soc., Columbus, (1981) 331-42 [13] K.Mukae, K.Tsuda and I.Nagasawa, Non-Ohmic Properties of ZnO-Rare Earth Metal Oxide-Co3O4 Ceramics, Japanese Journal of Applied Physics, 16(8) (1977) 1361-8 [14] D.R.Clarke, Varistor Ceramics, Journal of the American Ceramic Society, 82(3) (1999) 485-501 [15] Hubbell Power Systems Inc.
[21] B.C.H.Steele, electronic Ceramics, Elsevier Science Publishers Ltd, (1991).

In addition, ionic conductivities and compatibilities with electrode materials were emphatically reviewed.
Though high purity LiBOB can be synthesized by LiB(OCH3)4 and (CH3)3SiOOCCOOSi(CH3)3 in anhydrous acetonitrile (CH3CN) [10], the high cost of raw materials limits the generalization.
While, LiBOB is expected to solve the problem of dissolve erosion of Mn series cathode materials in electrolytes.
Meanwhile, LiODFB combined the advantages of LiBF4 and LiBOB, matched very well with anode and cathode electrode materials.
Hao: Journal of Power Sources Vol. 196 (2011), p. 6794 [22] T.

Research on Intelligent Control System of Pressure Forming Equipment for Stator and Rotor Hongmei Fan1,2,a, Shangbin Wang1,b and Yu Sun1,c , 1 School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China 2School of Automation, Nanjing Institute of Technology, Nanjing, 211167, China azdhxfhm@njit.edu.cn, bwsbin@hotmail.com, csunyu@mail.njust.edu.cn Keywords: blanking, process, optimizing Abstract.
It is composed of control computer, press driver, die driver, material rack driver, material transport equipment driver, lubrication driver and finished product collector, is shown in figure 2.
In this paper, we consider the material, the blanking force, the blanking frequency, the feed step, the product piece number, etc.
According to the relationship between the blanking force and the material hardness, blanking force and the material strength, we calculate the blanking force respectively.
Considering the wear of the die cutting edge, the nounniform of the die clearance, the fluctuation of the material performance and the deviation of the material thickness, the traditional blanking force expressiong is as follows for the flat cutting edge: (3) where P is the blanking force, k is the coefficient determined by the material and its thickness, l is the circumference of the product, t is the material thickness, and is the tensile strength of the material.

Various countermeasures have been made to cut down the cost of PU production, such as the use of bio-materials resources for the synthesis of polyol.
Materials and Methods Materials. ε-caprolactone (high purity), 2-(dimethyamino)-ethanol (DMEA), 1,8-diazabicyclo 5.4.0 undec-7-ene (DBU), isophorone diisocyanate (IPDI) and diethylene glycol (DEG) were purchased from Terra Scientific (M) Sdn.
Franca, European Polymer Journal 99 (2018) 142-149
Ahad, Advanced Materials Research 576 (2012) 334-337
Botelho, Materials Research 19 (2016) 195-201.

Lukyanovich published clear images of 50 nanometer diameter tubes made of carbon in the Soviet Journal of Physical Chemistry.
Baughman at the NanoTech Institute has shown that single and multi-walled nanotubes can produce materials with toughness unmatched in the man-made and natural worlds [6].
Carbon nanotubes are also a promising material as building blocks in bio-mimetic hierarchical composite materials given their exceptional mechanical properties (~1 TPa in modulus, and ~100 GPa in strength).
Effort is ongoing to produce CNT composites that incorporate tougher matrix materials, such as Kevlar, to further improve on the mechanical properties toward those of individual CNTs.
An approximately 1 mm–thick carbon nanotube layer was used as a special material to fabricate coolers, this material has very low density, ~20 times lower weight than a similar copper structure, while the cooling properties are similar for the two materials.

In general, raw materials (eg. fly ash) do not possess any self-bonding capability, at the beginning both methods let the waste materials be pelletized with other adhesive agents such as water [1, 2].
Experimental methods Materials.
All materials conform to the related ASTM standards.
Construction and Building Materials. 2007;21(9):1869-78
Journal of Hazardous Materials. 2010;179(1-3):954-65

There many factors affected concrete mechanical property, such as mix proportions design, compositions of materials, mixing time, construction technology and work environment.
Materials and experimental methods The Chemical composition of ordinary Portland cement with 42.5 grade was shown in Table 1.
Journal of Huazhong University of Science and Technology. 2001, 29(6): 83-84.
Construction and Building Materials. 2009, 23(2): 872-877
New Building Materials. 2008(3): 5-8.

China 2School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, P.R.
Experiment Materials.
Aci Materials Journal, 95(1998)262-271
Aci Materials Journal, 92(1995)64-70
Construction and Building Materials, 34(2012)306-312.