Product Name3-Nonen-2-one CAS14309-57-0 MFC9H16O MW140.22 EINECS238-248-9 MOL File14309-57-0.mol Chemical Properties Boiling point85 °C12 mm Hg(lit.) Density0.848 g/mL at 25 °C(lit.) FEMA3955 | 3-NONEN-2-ONE refractive indexn20/D1.449(lit.) ...
N,N'-二甲基乙二胺为胺基化合物,可用作医药中间体。 应用 N,N-二甲基乙二胺是一种重要精细化工产品。 作为重要医药中间体可用于合成抗肿瘤药噻吨酮 (thioxanthenone),氨基甲酰鱼藤, 抗心率失常药普鲁卡因胺(procainemide) ,局部麻醉药地布卡因(dibucain),抗组胺药海特拉明(neo- hetranine) ,抗胆碱酯酞药安...
() Error. MipiDev: %d\n", __FUNCTION__, MipiDev);return HI_FAILURE;}break;case SENSOR_NONE_MIPI_1920x1080_8BIT_YUV_30FPS_NORMAL:memcpy(pstComboAttr, &MIPI_4lane_SENSOR_NONE_12BIT_1920x1080_ATTR, sizeof(combo_dev_attr_t));break;default:return HI_FAILURE;}return HI_SUCCESS;}hi_...
所以在这里就有另外一个方法search(),它在匹配时会扫描整个字符串,然后返回第一个成功匹配的结果,也就是说,正则表达式可以是字符串的一部分,在匹配时,search()方法会依次扫描字符串,直到找到第一个符合规则的字符串,然后返回匹配内容,如果搜索完了还没有找到,那就返回None。 我们把上面的代码中的match()方法修改...
() Error. MipiDev: %d\n", __FUNCTION__, MipiDev);return HI_FAILURE;}break;case SENSOR_NONE_MIPI_1920x1080_8BIT_YUV_30FPS_NORMAL:memcpy(pstComboAttr, &MIPI_4lane_SENSOR_NONE_12BIT_1920x1080_ATTR, sizeof(combo_dev_attr_t));break;default:return HI_FAILURE;}return HI_SUCCESS;}hi_...
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fplot3(___,Name,Value) specifies line properties using one or more name-value pair arguments. For example, 'LineWidth',2 specifies a line width of 2 points. fplot3(ax,___) plots into the axes specified by ax instead of the current axes. Specify the axes as the first input argument....
(2)使用ndarray创建Series 使用ndarray作为数据时,传递的索引必须与ndarray具有相同的长度。 如果没有传递索引值,那么默认的索引是range(n),其中n是数组长度,即[0,1,2,3…. range(len(array))-1] - 1]。 代码语言:javascript 代码运行次数:0 复制Cloud Studio 代码运行 import pandas as pd import numpy as...
results = np.zeros((len(labels), dimension)) # 全0矩阵 np.zeros((m, n)) for i, label in enumerate(labels): results[i,labels] = 1. # 一定是浮点数 return results # 调用定义的函数 one_hot_train_labels = to_one_hot(train_labels) ...
常用名1-戊烯-3-酮英文名1-Penten-3-one CAS号1629-58-9分子量84.116 密度0.8±0.1 g/cm3沸点104.3±9.0 °C at 760 mmHg 分子式C5H8O熔点N/A MSDS中文版美版闪点-6.7±0.0 °C 符号 GHS02, GHS05, GHS06信号词Danger 1-戊烯-3-酮用途