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  • 1
    Electronic Resource
    Electronic Resource
    Gene expression changes during hormonal therapy for prostate cancer reveal candidate diagnostic and drug targets (2001)
    [s.l.] : Nature Publishing Group
    Nature genetics 27 (2001), S. 75-75 
    Details
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Although prostate cancers initially respond favorably to androgen deprivation, regrowth of androgen-independent tumors is very common. The molecular mechanisms involved in the regression and regrowth of prostate cancers are unknown. We applied complementary DNA microarrays containing 6,605 genes to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/87220
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis of Infrared Thermography during Tensile Test of GFRP (2008)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 47-50 (June 2008), p. 1129-1132 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Property of GFRP is naturally dependent on the property of matrix, but receives oftemperature effects by external force. Therefore, determination of mechanical property by effect oftemperature in GFRP is most crucial factor. In this paper, temperature distribution during crackpropagation from temperature change under tensile test was proposed through IR thermographycamera. Lock-in thermography method, which is one of technique in IR thermography camera tomeasure minute change in temperature, was utilized to monitor temperature distribution and changeduring crack propagation. Method to analyze temperature distribution during crack propagation undertensile test of GFRP via IR thermography camera was suggested. Anisotropy in fiber orientationshowed longer fracture time and lower maximum temperature
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/41/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.47-50.1129.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Measurement of Fiber Content in Glass Mat Reinforced Thermoplastic Sheet by Image Processing (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 306-308 (Mar. 2006), p. 811-816 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: For measuring fiber content of GMT Sheet, moldings should be divided into specimens. And then by burning this specimen, we can get remaining glass fiber ratio. This remaining glass fiber ratio is regarded as fiber content and this process is called 'burning method'. This method yields high value but it can destroy the molding. So any standard method in fiber content measurements isn't established yet. An experimental method is proposed which can be used to measure the fiber contentof compression molded glass mat reinforced thermoplastic sheet by image processing. Therefore to predict the fiber content may be useful for determination of optimum molding conditions, charge pattern etc. so far, the burning method has been used for measuring fiber content of glass fiber-reinforced thermoplastic sheet. Then the burning method is precise but breaks the material sheet. In this study, the soft X-pray photograph intensity of the sheet is measured using the image scanner, and the intensity information is worked out by personal computer. We suggested image processing method which can be used to nondestructively measure GMT-Sheet's fiber content. And fiber content measured by image processing method agree well with the one by the burning method. If GMT-Sheet is thick and fiber content is high, fibers overlapped, then photographing soft x-ray is impossible, so the measurements of exact fiber content is difficult
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/50/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.306-308.811.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of Fiber Aspect Ratio and Area Ratio Getting to Accuracy of Intensity Method in Fiber Orientation Angle Distribution Measurement (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 326-328 (Dec. 2006), p. 1817-1820 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Measurement of fiber orientation distribution state is very important constituent to find outdecision of processing condition of product or mechanical special quality of moldings in fiberreinforced polymer composite material. Therefore, reliable measurement method of fiber orientationangle distribution is established, and need researcher about simplicity measuring method urgently thenondestructiveness. In this research, to investigate about accuracy of fiber orientation angledistribution measurement of fiber reinforced composite material by intensity method, find fiberorientation function value that is measure of fiber orientation distribution state constructing fiberorientation simulation picture by plotter changing diameter and length and orientation state of fiber.Recognize this fiber orientation simulation picture by image scanner, and measure fiber orientationangle distribution state by this realized intensity information. This time, I wish to measure reliablefiber orientation angle distribution comparing fiber orientation function calculation value saving inthe advance with fiber orientation function value that is measured by intensity method. The resultsshow that measurement accuracy of the fiber orientation angle distribution by intensity method isaffected by the fiber aspect ratio when the total length of oriented fiber is same. The average gradientof fiber orientation function is 0.94 for 1000mm of the total fiber length and is 0.93 for 2000mm whenthe fiber aspect ratio is over 50. Measurement accuracy by intensity method is about 94% and thereliable data can be obtained by intensity method
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.326-328.1817.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Predicting hepatitis B virus–positive metastatic hepatocellular carcinomas using gene expression profiling and supervised machine learning (2003)
    [s.l.] : Nature Publishing Group
    Nature medicine 9 (2003), S. 416-423 
    Details
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Hepatocellular carcinoma (HCC) is one of the most common and aggressive human malignancies. Its high mortality rate is mainly a result of intra-hepatic metastases. We analyzed the expression profiles of HCC samples without or with intra-hepatic metastases. Using a supervised machine-learning ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nm843
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  • 6
    Electronic Resource
    Electronic Resource
    Comparison of Intensity Method and Counting Method in Measurement of Fiber Orientation Angle Distribution Using Image Processing (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 544-545 (May 2007), p. 207-210 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The fiber reinforced composites has high specific strength and stiffness than metallicmaterial and are an anisotropic material whose mechanical properties, such as strength and elasticity,change with their fiber orientation state, the fiber length, the fiber aspect ratio, fiber mat structure, etc.Above all, the fiber orientation angle distribution state of fiber reinforced composite is fundamentalelement of mechanical properties. So, many researches on this element have been conducted bymeans of nondestructive method currently. The fiber distribution state is measured by intensitydifference of pixel using image processing and these methods are intensity method by calculating ofintensity value of pixel and counting method by calculating of fiber quantity. In this research, the fiberorientation simulation picture was constructed by plotter according to change of fiber’s diameter,length and orientation. The fiber orientation distribution state was measured by this intensityinformation. The fiber orientation angle distribution state measured by intensity method and countingmethod was compared with fiber orientation function calculation value
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/15/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.544-545.207.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of Fiber Content and Fiber Orientation on the Tensile Strength in Glass Mat Reinforced Thermoplastic Sheet (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 334-335 (Mar. 2007), p. 337-340 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The study for strength calculation of one way fiber-reinforced composites and the studymeasuring precisely fiber orientation distribution were presented. Need the systematic study for theDB that can predict mechanical properties of composite material and fiber orientation distribution bythe fiber content ratio was not constructed. Therefore, this study investigated what affect the fibercontent ratio and fiber orientation distribution have on the strength of composite sheet after makingGlass Mat Reinforced Thermoplastic Sheet by changing fiber orientation distribution with the fibercontent ratio. The result of this study will become a guide to design data of the most suitable partsdesign or fiber reinforced polymeric composite sheet that uses the Glass Mat ReinforcedThermoplastic Sheet in industry part, because it was conducted in terms of developing products. Itstudied the effect the fiber orientation distribution has on tensile strength of Glass Mat ReinforcedThermoplastic Sheet and achieved this result below. The increasing range of the value of Glass MatReinforced Thermoplastic Sheet’s tensile strength in the fiber orientation direction is getting wider asthe fiber content increases
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.334-335.337.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    Fiber Orientation State Depending on the Injection Mold Gate Variations during FRP Injection Molding (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 321-323 (Oct. 2006), p. 938-941 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Because of orientation and separation, injection molded products are heterogeneous andanisotropic. These heterogeneousness and anisotropy have a vast influence on mechanical propertiesof molding material and product characteristics. It is well known that fiber orientation state infiber-reinforced polymeric composite has a profound effect on dynamic qualities like intensity,rigidity, and etc. To measure the fiber orientation of injection molded product's weld part, we firstX-rayed moldings and recognized this photo by using an image scanner. Then, image processingmethod, which uses intensity difference in measuring fiber orientation state, is applied. Through theseprocedures, we can analyze the influence of molding's fiber orientation state according to mold gatechanges. Fiber orientation is related mainly with the mold gate positions than with fiber content ormold temperature. When the distance from the gate increases, by matrix and reinforcement's flowspeed differences, fiber orientation occurred. As diversion flow occurred at the end of fluid flow, fiberoriented at a right angle to the flow, and this is the same effect of weld line formation
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/51/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.321-323.938.pdf
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of Fiber Orientation on the Tensile Strength in Fiber-Reinforced Polymeric Composite Materials (2005)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 297-300 (Nov. 2005), p. 2897-2902 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The study for strength calculation of one way fiber-reinforced composites and the study measuring precisely fiber orientation distribution were presented. However, because the DB that can predict mechanical properties of composite material and fiber orientation distribution by the fiber content ratio was not constructed, we need the systematic study for that. Therefore, in this study, we investigated what effect the fiber content ratio and fiber orientation distribution have on the strength of composite sheet after making fiber reinforced polymeric composite sheet by changing fiber orientation distribution with the fiber content ratio. The result of this study will become a guide to design data of the most suitable parts design or fiber reinforced polymeric composite sheet that uses the fiber reinforced polymeric composite sheet in industry spot, because it was conducted in terms of developing products. We studied the effect the fiber orientation distribution has on tensile strength of fiber reinforced polymeric composite material and achieved this results below. We can say that the increasing range of the value of fiber reinforced polymeric composite’s tensile strength in the direction of fiber orientation is getting wider as the fiber content ratio increases. It shows that the value of fiber reinforced polymeric composite’s tensile strength in the direction of fiber orientation 90° is similar with the value of polypropylene’s intensity when fiber orientation function is J= 0.7, regardless of the fiber content ratio. Tensile strength of fiber reinforced polymeric composite is affected by the fiber orientation distribution more than by the fiber content ratio
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/50/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.297-300.2897.pdf
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  • 10
    Electronic Resource
    Electronic Resource
    Accuracy of Intersection Counting Method in Measurement of Fiber Orientation Angle Distribution Using Image Processing (2006)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 324-325 (Nov. 2006), p. 415-418 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: While mold fiber reinforced composite material to problem of occasion that hightemperature compression molding, flow length in mold is overlong or when flow meets withresistance in side of mold, fiber orientation happens and big change occurs in strength or quality.Thus, in compression molding that use fiber reinforced composite material, orientation state of fiberin moldings is the most basic element that quotes various properties of matter values. Therefore, toclear orientation state of fiber establishing measurement of fiber orientation angle distribution is veryimportant while give correction of molding condition decision, mechanical quality of moldings andguide about material design. In the study, the fiber orientation distribution of simulation figure plottedby PC is measured using image processing in order to examine the accuracy of intersection countingmethod. The fiber orientation function measured by intersection counting method using imageprocessing is compared with the calculated fiber orientation function. The results show that themeasured value of fiber orientation function using intersection counting method is lower than thecalculated value, because the number of intersection between the scanning line and the fiber withsmaller fiber aspect ratio is counted less than with larger fiber aspect ratio
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/52/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.324-325.415.pdf
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