测定时间

Methods: The action potential of sciatic trunk and contract curve of gastrocnemius muscle of hoptoad and mouse were recorded, and the time of fatigue in nerve centre, neuromuscular junction and muscle were measured.

分别记录蟾蜍和小鼠坐骨神经干动作电位和腓肠肌收缩曲线，测定中枢、神经-肌接头和肌疲劳的时间。

The correlation rate of the standard curve was 0.999 8, and the digestion duration was 15 min at the temperature of 150℃. The relative deviation of the results were less than 2%, and the standard error was between 5% and 6%.

结果 标准曲线的相关系数r=0.9998，消解时间15 min、温度150℃，测定结果的相对标准偏差小于2%，相对误差在5%~6%之间，精密度与准确度均能满足要求。

A system and method for accurately determining time of arrival using a mathematical model that mimics a correlation function.

使用模仿一相关函数的数学模型用于精确地测定到达时间的系统和方法。

A growth curve of C.militaris and the effective treating time of some fungal elicitors have been determined and set up.

建立和测定了蛹虫草生长曲线及真菌激发子处理的有效时间。

The degradation efficiency of decane, a model substance of oil on water, was studied with irradiation by sunlight.

用气相色谱法测定了经不同时间光照后癸烷的残留量，经 7h光照后能降解癸烷 95 %以上。

The results show that the decoloration rate is related to the pH value of dyes solution, irradiation time, as well as the intensity of irradiation.

用光度分析法测定了不同光源、溶液的酸度、催化剂的用量、光照时间等条件对染料脱色率的影响。

Deliquescent oxygen reduced with longer balance time and greater difference from standard occurred. Before balancing,deliquescent oxygen was close to saturation. The results under 20 ℃ met the standard.

结果： 以蒸馏水和纯净水作为稀释水水源，其BOD5都小于0.2 mg／L，均达到标准；平衡时间增长，当日溶解氧量趋于降低，与标准值的差值也逐渐增大，未经平衡的溶解氧量接近饱和；20 ℃时的测定结果达标。

Result: when distilled water and purified water was used as diluting water, no obvious difference of bod5 was found between them, and both the results reached the standard （ below 0.2 mg/l）. deliquescent oxygen reduced with longer balance time and greater difference from standard occurred. before balancing,deliquescent oxygen was close to saturation. the results under 20 ℃ met the standard.

结果： 以蒸馏水和纯净水作为稀释水水源，其bod5都小于0.2 mg／l，均达到标准；平衡时间增长，当日溶解氧量趋于降低，与标准值的差值也逐渐增大，未经平衡的溶解氧量接近饱和；20 ℃时的测定结果达标。

The effect of sleep improvement of the three dosages(570 mg/kg,1000 mg/kg and 2000 mg/kg)of Semen Ziziphi Spinosae was studied by the experiments of sleep-induced directly, prolonging sleeping time induced by pentobarbital sodium, affecting mouse sleeping rate under the threshold hypnogenesis dosage of pentobarbital sodium and affecting sleeping delitescence induced by tobarbital sodium. The content of 5-HT in the brain of mouse was measured by fluorescence assay.

通过直接睡眠实验、延长戊巴比妥钠睡眠时间实验、戊巴比妥钠阈下催眠剂量实验和巴比妥钠睡眠潜伏期实验，比较低、中、高3个剂量（570 ，1 000 及2 000 mg/kg）酸枣仁粉剂对小鼠睡眠的影响，并且用荧光法测定小鼠脑中 5-羟色胺含量。

The variation rule of Tritium in Lithium deuteride coincides with the naturial Tritium decay incompletely.

氢化锂含氚量的实际及化与氚的自然衰变规律并不完全一致，为了测定其变化规律，对贮存中的氢化锂含氚量进行了长时间跟踪测量。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。