Mosul Dam is located on the River Tigris about 60 km north of Mosul city in Iraq. The dam is a multipurpose earth fill dam with a storage capacity of 11.11 million cubic meters, which was in operation since 1986. Duri...Mosul Dam is located on the River Tigris about 60 km north of Mosul city in Iraq. The dam is a multipurpose earth fill dam with a storage capacity of 11.11 million cubic meters, which was in operation since 1986. During the first impounding of its reservoir, seepage of water underneath the foundation of dam was noticed due to the desolation of gypsum beds. This raised concern about the stability of the dam and since then grouting operation were carried out. ISIS occupied the dam 8 - 16 August 2014. Grouting operations stopped and number of equipment and buildings were destroyed during that short period. After the defeat of ISIS, the Iraqi Ministry of Water Resources rebuilt and constructed the destroyed parts within the site and a new maintenance operations program was adopted. New training courses for the staff of Mosul Dam were conducted with Trevi Company and US Army Corps of Engineers. In this paper, the dye test is highlighted to monitor the seepage of groundwater within the dam site. It seems that the dam is stable in its present conditions and water level height.展开更多
Background: Hysterosalpingogram (HSG) and Laparoscopy and dye tests for tubal assessment for a virgin who places high premium on her virginity could be challenging. Routine HSG may result in loss or damage to the hyme...Background: Hysterosalpingogram (HSG) and Laparoscopy and dye tests for tubal assessment for a virgin who places high premium on her virginity could be challenging. Routine HSG may result in loss or damage to the hymen and loss of virginity. Aim: The aim of the procedure of retrograde dye test was explored to see the possibility of assessing tubal patency during laparotomy. Case Presentation: At laparotomy and after myomectomy in a 32 year old virgin, a moderate sized Wilkinson’s cannula was gently inserted at the fimbrial end of the both tubes and 50mls of dilute Methylene-Blue solution was injected in each tube at a time to see whether the dye will appear at the vagina introitus. There was no resistance to flow of the dye in both tubes. Inspection of the vaginal introitus revealed a gush of dye flowing through it as the dye was introduced through each tube confirming the patency of both tubes. Conclusion: Retrograde dye test at the time of abdominal procedures like myomectomy, pelvic adhesiolysis and excision of endometriotic cyst can be cost effective. This procedure is also useful in assessing tubal patency for women who undergo laparotomy and also wish to preserve their virginity.展开更多
建立液相色谱-串联质谱法测定豆制品中碱性橙2的分析方法。样品经水-乙酸-乙酸铵-乙腈超声提取、离心、过滤膜后直接进样,采用Accucore a Q色谱柱(2.1×100 mm,2.6μm)分离,正离子模式扫描,外标法定量。结果表明碱性橙2在0.5~15.0 n...建立液相色谱-串联质谱法测定豆制品中碱性橙2的分析方法。样品经水-乙酸-乙酸铵-乙腈超声提取、离心、过滤膜后直接进样,采用Accucore a Q色谱柱(2.1×100 mm,2.6μm)分离,正离子模式扫描,外标法定量。结果表明碱性橙2在0.5~15.0 ng/m L范围内呈良好线性,相关系数(R2)≥0.99,其仪器检出限为为1.2μg/kg,定量限为4.0μg/kg;为了验证方法的精密度和准确度,做了重现性实验和加标回收实验,其RSD为1.91%~8.93%,回收率为80.6%~98.2%。本文适用于豆制品中碱性橙2的快速筛查和定量分析,方法前处理简单,测定快、准、灵敏度高。展开更多
The performance of combined Fenton oxidation and membrane bioreactor (MBR) process for the advanced treatment of an effluent from an integrated dyeing wastewater treatment plant was evaluated. The experimental resul...The performance of combined Fenton oxidation and membrane bioreactor (MBR) process for the advanced treatment of an effluent from an integrated dyeing wastewater treatment plant was evaluated. The experimental results revealed that under the optimum Fenton oxidation conditions (initial pH 5, H 2 O 2 dosage 17 mmol/L, and Fe^ 2+ 1.7 mmol/L) the average total organic carbon (TOC) and color removal ratios were 39.3% and 69.5% after 35 min of reaction, respectively. Results from Zahn-Wallens Test also represented that Fenton process was effective to enhance the biodegradability of the test wastewater. As for the further purification of MBR process, TOC removal capacity was examined at different hydraulic retention times (HRT) of 10, 18 and 25 hr. Under the optimum HRT of 18 hr, the average TOC concentration and color of the final MBR effluent were 16.8 mg/L and 2 dilution time, respectively. The sludge yield coefficient was 0.13 g MLSS/g TOC and TOC degradation rate was 0.078 kg TOC/(m ^3 ·day). The final effluent of MBR can meet the reuse criteria of urban recycling water – water quality standard for miscellaneous water consumption GBT18920-2002.展开更多
The target production were obtained by coupled reaction of 3-amino-5-nitro-2, 1- benzoisothiazole,as a diazo component,with some derivatives of anilline or some derivatives of naphthylamine sulfonic acid in proper con...The target production were obtained by coupled reaction of 3-amino-5-nitro-2, 1- benzoisothiazole,as a diazo component,with some derivatives of anilline or some derivatives of naphthylamine sulfonic acid in proper condition. Their colors are from red to violet. They have excellent tight property. The chemical and physical test of production verified that they were some unique properties.展开更多
[Objectives] To optimize the pet dog dyeing process of plant hair dye. [Methods]Three factors affecting dyeing were selected including pH,concentration of dye and dyeing time. The L_9(3~3) orthogonal design was used t...[Objectives] To optimize the pet dog dyeing process of plant hair dye. [Methods]Three factors affecting dyeing were selected including pH,concentration of dye and dyeing time. The L_9(3~3) orthogonal design was used to evaluate the hair coloring effect and the absorbance of cleaning solution after hair was dyed. [Results] The optimum pet dog dyeing process of plant hair dye was dye concentration of50 mg/mL,dye pH of 7. 5 and dyeing time of 1 h. [Conclusions] The coloring and fixing effects of the dye and dyeing process are good,which can lay a foundation for the development and utilization of plant dyes.展开更多
文摘Mosul Dam is located on the River Tigris about 60 km north of Mosul city in Iraq. The dam is a multipurpose earth fill dam with a storage capacity of 11.11 million cubic meters, which was in operation since 1986. During the first impounding of its reservoir, seepage of water underneath the foundation of dam was noticed due to the desolation of gypsum beds. This raised concern about the stability of the dam and since then grouting operation were carried out. ISIS occupied the dam 8 - 16 August 2014. Grouting operations stopped and number of equipment and buildings were destroyed during that short period. After the defeat of ISIS, the Iraqi Ministry of Water Resources rebuilt and constructed the destroyed parts within the site and a new maintenance operations program was adopted. New training courses for the staff of Mosul Dam were conducted with Trevi Company and US Army Corps of Engineers. In this paper, the dye test is highlighted to monitor the seepage of groundwater within the dam site. It seems that the dam is stable in its present conditions and water level height.
文摘Background: Hysterosalpingogram (HSG) and Laparoscopy and dye tests for tubal assessment for a virgin who places high premium on her virginity could be challenging. Routine HSG may result in loss or damage to the hymen and loss of virginity. Aim: The aim of the procedure of retrograde dye test was explored to see the possibility of assessing tubal patency during laparotomy. Case Presentation: At laparotomy and after myomectomy in a 32 year old virgin, a moderate sized Wilkinson’s cannula was gently inserted at the fimbrial end of the both tubes and 50mls of dilute Methylene-Blue solution was injected in each tube at a time to see whether the dye will appear at the vagina introitus. There was no resistance to flow of the dye in both tubes. Inspection of the vaginal introitus revealed a gush of dye flowing through it as the dye was introduced through each tube confirming the patency of both tubes. Conclusion: Retrograde dye test at the time of abdominal procedures like myomectomy, pelvic adhesiolysis and excision of endometriotic cyst can be cost effective. This procedure is also useful in assessing tubal patency for women who undergo laparotomy and also wish to preserve their virginity.
基金supported by HuPao Dyeing Plant,JiangSu Province,China
文摘The performance of combined Fenton oxidation and membrane bioreactor (MBR) process for the advanced treatment of an effluent from an integrated dyeing wastewater treatment plant was evaluated. The experimental results revealed that under the optimum Fenton oxidation conditions (initial pH 5, H 2 O 2 dosage 17 mmol/L, and Fe^ 2+ 1.7 mmol/L) the average total organic carbon (TOC) and color removal ratios were 39.3% and 69.5% after 35 min of reaction, respectively. Results from Zahn-Wallens Test also represented that Fenton process was effective to enhance the biodegradability of the test wastewater. As for the further purification of MBR process, TOC removal capacity was examined at different hydraulic retention times (HRT) of 10, 18 and 25 hr. Under the optimum HRT of 18 hr, the average TOC concentration and color of the final MBR effluent were 16.8 mg/L and 2 dilution time, respectively. The sludge yield coefficient was 0.13 g MLSS/g TOC and TOC degradation rate was 0.078 kg TOC/(m ^3 ·day). The final effluent of MBR can meet the reuse criteria of urban recycling water – water quality standard for miscellaneous water consumption GBT18920-2002.
文摘The target production were obtained by coupled reaction of 3-amino-5-nitro-2, 1- benzoisothiazole,as a diazo component,with some derivatives of anilline or some derivatives of naphthylamine sulfonic acid in proper condition. Their colors are from red to violet. They have excellent tight property. The chemical and physical test of production verified that they were some unique properties.
基金Supported by the National Science and Technology Foundation Project of Traditional Chinese Veterinary Medicine Resources Rescuing and Organizing(2013FY110600-03)
文摘[Objectives] To optimize the pet dog dyeing process of plant hair dye. [Methods]Three factors affecting dyeing were selected including pH,concentration of dye and dyeing time. The L_9(3~3) orthogonal design was used to evaluate the hair coloring effect and the absorbance of cleaning solution after hair was dyed. [Results] The optimum pet dog dyeing process of plant hair dye was dye concentration of50 mg/mL,dye pH of 7. 5 and dyeing time of 1 h. [Conclusions] The coloring and fixing effects of the dye and dyeing process are good,which can lay a foundation for the development and utilization of plant dyes.