原子吸收法测定双黄连口服液中微量元素

[目的]测定双黄连口服液中微量元素Cu、Mn、Fe、Zn、Pb、Cd的含量.[方法]利用湿法消化处理样品,采用火焰原子吸收分光光度法测定Cu、Mn、Fe、Zn含量,石墨炉原子吸收分光光度法测定Pb、Cd含量.[结果]双黄连口服液中Cu、Mn、Fe、Zn、Pb、Cd含量分别为0.418 7、4.8520、3.687 3、5.304 7、0.553 5、0.022 l mg/L,其中Cu、Pb、Cd含量均未超标,可以安全服用.[结论]利用原子吸收法测定双黄连口服液中的微量元素含量结果准确、可靠,该方法可用于其他中成药口服液中微量元素的测定.     

春根藤微量元素初级形态分析

[目的]对春根藤微量元素的初级形态进行分析.[方法]采用火焰原子吸收分光光度法测定了春根藤中Ca、Cr、Cu、Fe、Mg、Mn的含量,并进行初级形态研究.[结果]春根藤中Ca含量最高,其次为Fe、Mg、Mn、Cr、Cu;Mg的溶出率最高,为49.62%.[结论]该研究可为进一步探讨微量元素与中药药效之间的关系提供参考.     

珍珠粉中微量元素测定

[目的]对同仁堂牌珍珠粉中几种微量元素的含量进行测定,为进一步研究珍珠粉的保健作用提供参考.[方法]利用原子吸收光谱法测定Ca及Zn、Na、Fe、Mg、Cu、Mn、Sr 7种微量元素的含量.[结果]同仁堂牌珍珠粉中Ca、Zn、Na、Fe、Mg、Cu、Mn、Sr的含量分别为377 084.00、6.46、98.86、170.88、8.34、5.46、589.78、268.66 μg/g.[结论]同仁堂牌珍珠粉中Ca的含量较高,是其主要成分,Mn、Sr、Fe、Na的含量也较为丰富,而Zn、Mg、Cu的含量较少.     

基于对应分析法的谷物微量元素分析

[目的]讨论常见谷物中微量元素的分布及相关性.[方法]用火焰原子吸收分光光度法测定了6种陕西常见谷物中微量元素Fe、Mn、Cu、Zn 和Ca的含量.[结果]不同地区由于土壤、气候等因素不同,所产粮食中微量元素存在一定差别.[结论]采用对应分析法对谷物微量元素相关性进行分析是可行的.     

不同消解方法对测定蒲公英中微量元素含量的影响

[目的]考察不同消解方法对蒲公英中Fe、zn、Cu、Mn 元素含量测定的影响.[方法]分别通过干法、湿法、微波法处理样品,利用原子吸收分光光度计测定样品中的4 种元素含量.[结果]用微波法消解样品时,测得Cu、Zn、Fe、Mn含量分别为35.01、103.11、210.86、21.13.μg/g,高于干法和湿法这2 种消解方法处理.[结论]微波消解法适合用于植物样品微量元素测定的前处理.     

粉葛中微量元素含量的测定

[目的]测定粉葛样品中微量元素的含量.[方法]采用火焰原子吸收光谱法测定7种粉葛中Mg、Fe、Mn和Zn4种微量元素的含量.[结果]粉葛样品富含Mg、Fe、Mn和Zn元素;不同产地不同品种粉葛的微量元素含量差异明显,即使同一产地不同品种粉葛的微量元素含量也有差异.[结论]该研究可为粉葛资源的进一步开发利用提供参考.     

薏米的成分分析

[目的]对市售薏米的成分进行分析,为薏米的开发利用提供参考.[方法]用常规方法测定薏米各成分含量.[结果]薏米中水分、灰分、脂肪、纤维和蛋白质的含量分别为10.73%、1.64%、5.56%、0.44%和14.26%.Zn、Fe、Ca、Mg、Cu 5种微量元素的含量分别为43.24、212.90、749.00、1 193.60、11.70 μg/g.[结论]薏米中营养成分含量丰富,这为薏米的进一步开发提供了理论根据.     

云南蒙自野生野蚕豆根金属元素含量分析

[目的]测定云南蒙自野生歼蚕豆根中金属元素的含量,以期为进一步开发利用野生野蚕豆根资源提供科学依据.[方法]采用火焰原子吸收光谱法测定野蚕豆根中Ca、Fe、Zn、Cu、Pb和Cr 6种金属元素的含量.[结果]云南野生野蚕豆根中含有丰富的金属元素Ca、Zn、Cu和Fe,且含量分布为Ca>Fe>Zn>Cu;未检出有害元素Pb和Cr.[结论]云南蒙自野生野蚕豆根中含有丰富的金属元素.     

凯里地区槐花中微量元素含量的测定

[目的]测定凯里地区槐花样品中微量元素的含量.[方法]采用微波消解-火焰原子吸收光谱法测定本地药食两用槐花中K、Ca、Zn、Fe、Pb和Cd 6种微量元素的含量.[结果]凯里下司地区的槐花含有丰富的人体必需微量元素K、Ca、Zn和Fe,且含量分布为:Fe>Ca>K>Zn;未检出有害元素Cd和Pb.所测元素回收率为94.1%～110.0%,RSD值为0.54%～1.73%.[结论]该研究可为当地槐花的药用价值提供科学的评价依据.     

高山绿茶浸出液中金属元素含量的测定

[目的]测定高山绿茶浸出液中金属元素的含量,为其进一步的研究利用提供参考依据.[方法]湿法消化处理和去离子水浸泡后处理高山绿茶样品,利用火焰原子吸收分光光度法(FAAS)测定Mg、Fe、Mn、Cu、Zn、Ni和cr元素的含量.[结果]高山绿茶样品中金属元素含量多少顺序为Mn>Mg>Fe>Zn>Cu>Ni>Cr;各元素的加标回收率为95.05%～101.63%;相对标准偏差为1.67%～4.07%, 准确度和精密度符合要求;不同浸泡时间茶水中金属元素含量不同,30min浸泡液含量较高.[结论]FAAS法测定高山绿茶中金属元素含量及溶出特性的方法可行, 结果可靠.     

The effect of amount of possession of the trait of hostility on accuracy of perception of hostility in others.

Some theories of personality hold that an individual's perception of others is influenced by his own personality characteristics; more specifically, that a trait of low social value will be projected more into others, and that insight into the possession of these characteristics reduces this distortion. These 2 hypotheses were tested by having a group of college students rate each other (including themselves) on degree of friendliness or hostility. Agreement with group rating about self yielded the insight score. In general, the hypotheses were supported; the "friendly" Ss were most accurate in their perception of others, and insight was positively associated with accurate perception. From Psyc Abstracts 36:04:4HL16M. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Comparison of rates of infection of two methods of emergency ventricular drainage

The rates of infection of two methods of external ventricular drainage in use at Atkinson Morley's Hospital--namely, (a) percutaneous drainage with Rickham reservoirs and (b) tunnelled ventriculostomies--were compared in this retrospective review. Percutaneous drainage of CSF with Rickham reservoirs was associated with a 27% rate of infection as identified by positive microbiological cultures; tunnelled ventriculostomy catheters had a 10% infection rate. The difference in the infection rate between the two methods was statistically significant (P < 0.015). Other variables examined, including the age and sex of the patients and the reasons for ventricular drainage, were not associated with an increased rate of infection. Most infections from either method were caused by a coagulase negative staphylococcus. The average duration of ventricular drainage before identification of positive cultures was 5.7 days for Rickham reservoirs and 6.0 days for ventriculostomies.     

浅析《野草》的版画特征

鲁迅先生一生热爱美术作品,对版画中木刻兴趣尤甚.<野草>作为其"写心之作",亦呈现出一些与木刻版画一致的审美特征:一是具有木刻版画的色彩特征,多对比、多冷色,有阴郁的美感;二是具有木刻版画的力度特征,环境描写、人物刻画处处刀锋毕现,遒劲有力,有一种"力之美".     

四辊破碎机车刀架的改造

针对四辊破碎机车刀架车削中存在的几个问题,详细介绍了电动车刀架的结构和工作原理,建立主要设计参数的数学表达式,并进行适当的分析。改造后,这种电动车刀架运行平稳、可靠、方便、省力,取得了预期的效果。     

转炉炉壳热应力分析

根据实际转炉建立实体模型。以有限元为手段,考虑了炉衬和炉壳材料的物性参数随温度变化的特点和炉衬与炉壳之间膨胀间隙,计算了转炉炉壳在温度载荷和炉衬膨胀压力同时作用下的热应力。所得结果可为转炉炉壳设计提供依据。     

焦炭热性能指标意义浅析

通过对焦炭在高炉内的历程及其变化规律的剖析,阐述焦炭热性能指标的意义,形象地把焦炭在高炉内的损耗分为三部分(M1,M2,M3)。指出M2对焦比及焦炭价格有一定的指导作用。     

Results of treatment of cancer of the cardia

Cancer of the cardia is traditionally discussed with cardiac cancer of the lower portion of the esophagus and upper gastric cancer invading the esophagus, and the specific characteristics of cancer of the cardia have never been clearly defined. We reviewed the outcome of 172 patients with adenocarcinoma of the cardia who had undergone radical surgery between 1949 and 1994 in the Division of Gastrointestinal Surgery of the Cancer Institute Hospital. The centers of the tumors were located within 2 cm above and below the boundary between the esophagus and the stomach, and their longitudinal diameter was less than 8 cm. We divided the patients into an early period (1949-1979; n = 79) and a late period (1980-1994; n = 93), and focused on the historical transition. There were no differences in patient gender or histology between the two periods. However, the late period was associated with fewer cases of esophageal invasion and shorter longitudinal diameter, as the age of the population advanced. The number of advanced cancers such as the localized and infiltrative type had decreased, and early cancer and early clinical stage had become more common, but despite the fact that the number of early cancers had increased, extended dissection, such as thoracic and paraaortic lymph node dissection, was performed more frequently. By clinical stage, the long-term outcome markedly improved in Stage I patient in the late period, and tended to improve in Stage II and III patients. This appears to have been attributable to the prevention of micrometastasis by extended dissection, although the number of early cancers is another major potential cause. There were no differences in the outcome of Stage IV patients between the two periods, and further advances in multimodality therapy must be awaited. The range of resection is basically proximal gastrectomy, and if there are adequate indications, the prognosis is favorable. In view of the status of lymphatic flow and lymph node metastasis, and long-term results, lateroaortic lymph node dissection is important. Since the number of early cancer patients has been increasing, if intraabdominal recurrence is prevented, intrathoracic lymph node dissection will contribute greatly to the outcome of such patients.     

Comparison of the results of surgical and conservative treatment of fractures of the diaphysis of the tibia

In this paper is treated the fundamental problematic of the fracture of the diaphysis of the tibia and the therapeutic results after the conservative and operative treatment are confronted. Among 518 patients with 433 open fractures and 35 with closed fractures of the diaphysis of the tibia, successful treatment of more 2/3 was obtained in the period from 1968 to 1972. Following our casuistics and literature, whose results are similar, we find out that the average total treatment of the osteosynthesis of the fracture of the diaphysis was shortened for 2,5 months depending upon the type and the localisation of the fracture. Apolied methods of the operative and conservative and conservative treatment in relation to the velocity of the medical cure as well as to the extreme anatomical-functional results are analised. We noticed that osteosynthesis, made by the intermedullary nail and the extension of the canals or by a small AO table, by the achieved stability makes conditions of immediate motions and an early rehabilitation. Because of that it gives the best functional results.