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Breeding of Hansaengjam a Parental Sex-limited Larval Marking Strain Suitable for Spring Rearing Season

  • Kang, Pil-Don;Sung, Gyoo-Byung;Kim, Kee-Young;Lee, Hee-Sam;Kim, Mi-Ja;Ji, Sang-Duk;Hong, In-Pyo;Kweon, Hae-Yong;Park, Kwang-Young;Lee, Kwang-Gil;Sohn, Bong-Hee
    • International Journal of Industrial Entomology and Biomaterials
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    • v.23 no.1
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    • pp.179-182
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    • 2011
  • Normally the first generation of hybrid is supplied for farm rearing, precise and labor saving sex discrimination is needed. The new strain "Hansaengjam" is sex-limited (female:larval markings, male:no-markings) strain which was bred from both sex-limited strain Japanese originated Jam 153 and Chinese originated strain Jam 154. Productivity test of Hansaengjam during 2007 and 2009 showed high healthiness and cocoon yield. The Hansaengjam is evaluated as an excellent strain from healthiness, cocoon yield and other test results.

Breeding of New Silkworm Strain Yeonnokjam

  • Kang, Pil-Don;Sung, Gyoo-Byung;Kim, Kee-Young;Lee, Hee-Sam;Kim, Mi-Ja;Ji, Sang-Duk;Hong, In-Pyo;Kweon, Hae-Yong;Park, Kwang-Young;Lee, Kwang-Gil;Sohn, Bong-Hee
    • International Journal of Industrial Entomology and Biomaterials
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    • v.23 no.1
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    • pp.175-178
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    • 2011
  • Yeonnokjam is a newly bred high yield special silkworm strain for spring rearing, bred from Japanese originated green cocoon spinning strain Jam 315 and Chinese originated white cocoon spinning strain Jam 316. This strain showed high hatching ratio of 96% and high healthiness of 96.7% of pupatin ratio. And its spins heavier cocoon with somewhat shorter fiber length but thicker fineness. The merits of these_strains are short larval period and labor saving, and its breeding goals are producing polish green silk and use for education.

Evaluation of energy correction algorithm for signals of PET in heavy-ion cancer therapy device

  • Niu, Xiaoyang;Yan, Junwei;Wang, Xiaohui;Yang, Haibo;Ke, Lingyun;Chen, Jinda;Du, Chengming;Zhang, Xiuling;Zhao, Chengxin;Kong, Jie;Su, Hong
    • Nuclear Engineering and Technology
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    • v.52 no.1
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    • pp.101-108
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    • 2020
  • In order to solve the contradiction between requirements of high sampling rate for acquiring accurate energy information of pulses and large amount of data to be processed timely, the method with an algorithm to correct errors caused by reducing the sampling rate is normally used in front-end read-out system, which is conductive to extract accurate energy information from digitized waveform of pulse. The functions and effects of algorithms, which mainly include polynomial fitting with different fitting times, double exponential function fitting under different sampling modes, and integral area algorithm, are analyzed and evaluated, and some meaningful results is presented in this paper. The algorithm described in the paper has been used preliminarily in a prototype system of Positron Emission Tomography (PET) for heavy-ion cancer therapy facility.