Pipeline plays a vital role in transporting fluids like oils, water, and petrochemical substances for longer distances. Based on the materials they carry</span><span style="white-space:normal;font-size:1...Pipeline plays a vital role in transporting fluids like oils, water, and petrochemical substances for longer distances. Based on the materials they carry</span><span style="white-space:normal;font-size:10pt;font-family:"">,</span><span style="white-space:normal;font-size:10pt;font-family:""> prolonged usage may cause the initiation of defects in the pipeline. These defects occur due to the formed salt deposits, chemical reaction happens between the inner surface and the transferring substance, prevailing environmental conditions, etc. These defects, if not identified earlier may lead to significant losses to the industry. In this work, an in-line inspection system utilizes the nondestructive way for analyzing the internal defects in the petrochemical pipeline. This system consists of a pipeline inspection robot having two major units namely the visual inspection unit and the power carrier unit. The visual inspection unit makes use of a ring-type laser diode and the camera. The laser diode serves as a light source for capturing good quality images of inspection. This unit is controlled by the Arduino in the power carrier unit which provides the necessary movement throughout the pipe. The inspected images captured by the camera are further processed with the aid of NI vision assistant software. After applying the processing function parameters provided by this software, the defect location can be clearly visualized with high precision. Three sets of defects are introduced in a Polylactide (PLA) pipe based on its position and angle along the circumference of the pipe. Further, this robot system serves as a real-time interactive image synchronization system for acquiring the inspected images. By comparing the actual and calculated defect size, the error percentage obtained was less than 5%.展开更多
目的探讨及早诊治新生儿RhD溶血病(RhD-HDN)换血术后合并毛细血管渗漏综合征(CLS)的意义。方法收集2名疑似RhD-HDN换血术后合并毛细血管渗漏综合征男性患儿(患儿1、2)的病历资料,检测母亲及患儿的ABO、Rh(D)血型及HDN相关试验,比较患儿...目的探讨及早诊治新生儿RhD溶血病(RhD-HDN)换血术后合并毛细血管渗漏综合征(CLS)的意义。方法收集2名疑似RhD-HDN换血术后合并毛细血管渗漏综合征男性患儿(患儿1、2)的病历资料,检测母亲及患儿的ABO、Rh(D)血型及HDN相关试验,比较患儿换血的详细过程、换血前后的血红蛋白(Hb)、总胆红素(TBIL)值,换血后白蛋白(ALB)及活化部分凝血活酶时间(APTT)、体重变化值。评估RhD-HDN及CLS的诊断及治疗方法。结果患儿1、2母亲血型均为A Rh(-),患儿血型均为A RhD(+),均诊断为RhD-HDN,患儿1、2分别于出生后4 h及产时出现黄疸,遂均做换血治疗。患儿1:换血2次,第1次换血157 mL/kg,A型RhD(-)悬浮红细胞470 mL,同型血浆240 mL,换血时间3.5 h,第2次换血换血种类同第1次,悬浮红细胞462 ml,血浆231 ml,换血时间3 h 20 min。两次换血前后Hb(g/L)为113 vs 146(第1次)、106 vs 146(第2次),TBIL(μmol/L)为331.1 vs 245.1(第1次)、351.5 vs 258.7(第2次);患儿2换血1次,输入A型RhD(-)悬浮红细胞340 mL,AB型RhD(-)血浆180 mL,换血时间3 h。换血前后Hb(g/L)为77 vs 156,TBIL(μmol/L)为219.8 vs 175.1。2名患儿均在换血后出现CLS症状,患儿1诊断为RhD-HDN,新生儿贫血,CLS;患儿2诊断为RhD-HDN,新生儿贫血,类白血病反应,胎粪吸入综合征(MAS)及CLS;经针对原发病、限液、抗感染、利尿、小剂量糖皮质激素、抗微血栓等综合治疗后2名患儿痊愈出院。结论注重孕(妇)期特殊血型的检测、对是特殊血型且发生过抗原暴露的孕妇的抗体效价做动态监测和必要治疗,有助于其娩出的新生儿RhD-HDN的及时诊和预后,减少新生儿换血后发生CLS。展开更多
文摘Pipeline plays a vital role in transporting fluids like oils, water, and petrochemical substances for longer distances. Based on the materials they carry</span><span style="white-space:normal;font-size:10pt;font-family:"">,</span><span style="white-space:normal;font-size:10pt;font-family:""> prolonged usage may cause the initiation of defects in the pipeline. These defects occur due to the formed salt deposits, chemical reaction happens between the inner surface and the transferring substance, prevailing environmental conditions, etc. These defects, if not identified earlier may lead to significant losses to the industry. In this work, an in-line inspection system utilizes the nondestructive way for analyzing the internal defects in the petrochemical pipeline. This system consists of a pipeline inspection robot having two major units namely the visual inspection unit and the power carrier unit. The visual inspection unit makes use of a ring-type laser diode and the camera. The laser diode serves as a light source for capturing good quality images of inspection. This unit is controlled by the Arduino in the power carrier unit which provides the necessary movement throughout the pipe. The inspected images captured by the camera are further processed with the aid of NI vision assistant software. After applying the processing function parameters provided by this software, the defect location can be clearly visualized with high precision. Three sets of defects are introduced in a Polylactide (PLA) pipe based on its position and angle along the circumference of the pipe. Further, this robot system serves as a real-time interactive image synchronization system for acquiring the inspected images. By comparing the actual and calculated defect size, the error percentage obtained was less than 5%.
文摘目的探讨及早诊治新生儿RhD溶血病(RhD-HDN)换血术后合并毛细血管渗漏综合征(CLS)的意义。方法收集2名疑似RhD-HDN换血术后合并毛细血管渗漏综合征男性患儿(患儿1、2)的病历资料,检测母亲及患儿的ABO、Rh(D)血型及HDN相关试验,比较患儿换血的详细过程、换血前后的血红蛋白(Hb)、总胆红素(TBIL)值,换血后白蛋白(ALB)及活化部分凝血活酶时间(APTT)、体重变化值。评估RhD-HDN及CLS的诊断及治疗方法。结果患儿1、2母亲血型均为A Rh(-),患儿血型均为A RhD(+),均诊断为RhD-HDN,患儿1、2分别于出生后4 h及产时出现黄疸,遂均做换血治疗。患儿1:换血2次,第1次换血157 mL/kg,A型RhD(-)悬浮红细胞470 mL,同型血浆240 mL,换血时间3.5 h,第2次换血换血种类同第1次,悬浮红细胞462 ml,血浆231 ml,换血时间3 h 20 min。两次换血前后Hb(g/L)为113 vs 146(第1次)、106 vs 146(第2次),TBIL(μmol/L)为331.1 vs 245.1(第1次)、351.5 vs 258.7(第2次);患儿2换血1次,输入A型RhD(-)悬浮红细胞340 mL,AB型RhD(-)血浆180 mL,换血时间3 h。换血前后Hb(g/L)为77 vs 156,TBIL(μmol/L)为219.8 vs 175.1。2名患儿均在换血后出现CLS症状,患儿1诊断为RhD-HDN,新生儿贫血,CLS;患儿2诊断为RhD-HDN,新生儿贫血,类白血病反应,胎粪吸入综合征(MAS)及CLS;经针对原发病、限液、抗感染、利尿、小剂量糖皮质激素、抗微血栓等综合治疗后2名患儿痊愈出院。结论注重孕(妇)期特殊血型的检测、对是特殊血型且发生过抗原暴露的孕妇的抗体效价做动态监测和必要治疗,有助于其娩出的新生儿RhD-HDN的及时诊和预后,减少新生儿换血后发生CLS。
