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核心技术专利：CN118964589B侵权必究

核心技术专利：CN118964589B侵权必究

Tazawa H, Yamaguchi S, Yamada M, Doi K

Department of Electrical and Electronic Engineering, Muroran Institute of Technology, Japan.

Comp Biochem Physiol A Comp Physiol. 1992;101(1):103-8. doi: 10.1016/0300-9629(92)90635-4.

The heart rates (fH) of 12-day-old embryos (young), 16- and 18-day-old embryos (late) and of 20-day-old embryos (externally pipped eggs, EP) were measured noninvasively at a temperature of 38 degrees C and after a 5 hr exposure to an ambient temperature (Ta) within the range 34-46 degrees C. 2. All embryos survived the 5 hr exposure to Ta of 42 degrees C. The lethal Ta ranged from 44 degrees C (EP eggs) to 46 degrees C (young embryos). 3. The temperature coefficient (Q10) of fH became smaller than 2 in EP eggs as Ta was decreased or increased from 38 degrees C, implying an incipient homeothermic response of fH.

在38摄氏度的温度下，对12日龄胚胎（幼体）、16日龄和18日龄胚胎（晚期）以及20日龄胚胎（外部啄壳蛋，EP）的心率（fH）进行无创测量，并在环境温度（Ta）在34 - 46摄氏度范围内暴露5小时后再次测量。2. 所有胚胎在暴露于42摄氏度的Ta下5小时后均存活。致死Ta范围为44摄氏度（EP蛋）至46摄氏度（幼体胚胎）。3. 当Ta从38摄氏度降低或升高时，EP蛋中fH的温度系数（Q10）小于2，这意味着fH开始出现体温调节反应。

Tazawa H, Yamaguchi S, Yamada M, Doi K

Department of Electrical and Electronic Engineering, Muroran Institute of Technology, Japan.

Comp Biochem Physiol A Comp Physiol. 1992;101(1):103-8. doi: 10.1016/0300-9629(92)90635-4.

The heart rates (fH) of 12-day-old embryos (young), 16- and 18-day-old embryos (late) and of 20-day-old embryos (externally pipped eggs, EP) were measured noninvasively at a temperature of 38 degrees C and after a 5 hr exposure to an ambient temperature (Ta) within the range 34-46 degrees C. 2. All embryos survived the 5 hr exposure to Ta of 42 degrees C. The lethal Ta ranged from 44 degrees C (EP eggs) to 46 degrees C (young embryos). 3. The temperature coefficient (Q10) of fH became smaller than 2 in EP eggs as Ta was decreased or increased from 38 degrees C, implying an incipient homeothermic response of fH.

在38摄氏度的温度下，对12日龄胚胎（幼体）、16日龄和18日龄胚胎（晚期）以及20日龄胚胎（外部啄壳蛋，EP）的心率（fH）进行无创测量，并在环境温度（Ta）在34 - 46摄氏度范围内暴露5小时后再次测量。2. 所有胚胎在暴露于42摄氏度的Ta下5小时后均存活。致死Ta范围为44摄氏度（EP蛋）至46摄氏度（幼体胚胎）。3. 当Ta从38摄氏度降低或升高时，EP蛋中fH的温度系数（Q10）小于2，这意味着fH开始出现体温调节反应。