河北省涞水县交界口矿区多金属矿化特征及认识

交界口矿区处于涞源-大河南北东向金-多金属成矿带上,是我部在2002年对该区进行1:5万路线地质调查过程中发现的金矿,通过近十年的地质工作,特别是利用岩石原生晕测量方法及有效的地表工程和深部钻探手段,大致查明了矿区具有以金为主的多金属(银、铅、锌、铜、钼、钛)成矿的地质特征。本文主要叙述了矿区内金、银、铜、铅、锌、钼、钛等主要成矿元素的成矿地质特征,并浅述了对矿区多金属矿化特征的认识,为今后工作提出了建议。     

豫西崤山地区寺家沟金矿地质特征及成因探讨

寺家沟金矿区位于华北陆块南缘,属东秦岭—大别成矿带的崤山地区,该区是河南省重要的金银多金属成矿和找矿潜力区。区内隐伏岩体及与其相伴生的其它小岩体为金、银等元素的活化、转移提供了物质条件和很好的热动力源。本文在阐述寺家沟金矿区成矿地质背景、矿床特征的基础上,探讨了成矿物质来源、矿床成因等。     

琼库都克铜银多金属矿矿区地质背景及成矿物质来源浅析

矿区大地构造位置属准噶尔古板块、北天山弧盆带、博格达-哈尔里克晚古生代岛弧东段,Cu-Mo-Au-Ag-Pb-Zn-W-Fe-RM-膨润土-钠硝石-重晶石成矿带。该岛弧带沿吐哈盆地北东缘形成东天山地区最重要的金、铜、银、钼、铅、锌成矿带之一,区域成矿地质条件极为有利。文章结合成矿地质背景,通过对矿区地质背景、矿体特征及矿石矿物特征分析,总结了成矿物质来源。     

广东省新丰县中心山铅多金属矿床地质特征、成因探讨及找矿标志

广东省新丰县中心山铅多金属矿区位于龙门盆地多金属成矿带北缘,是广东省内重要的铅、锌、锡、铜、钨多金属成矿带。本文通过对该矿区矿床地质特征的论述,探讨其矿床成因及找矿标志。根据矿床的成矿环境和矿体矿化特征,初步认为本区矿床成因类型属中低温热液破碎带充填型,进而总结出蚀变破碎带、金属硫化物共生矿物组合等找矿标志。     

青海省兴海县鄂拉山口东多金属矿区成矿地质条件及找矿远景浅析

鄂拉山口东多金属矿区发现于20世纪90年代,矿区位于柴达木地块东南缘－－鄂拉山火山－岩浆弧弧前增生楔西南部之颚拉山造山带南部,处于东西向构造带、北北西构造带和北东向构造带的交汇处。是青海省重要的多金属成矿带－－鄂拉山多金属成矿带。本文通过对鄂拉山口东多金属矿区的成矿地质条件的初步分析,来阐述该区较好的找矿远景。     

青海省大柴旦镇长征沟矿床特征及找矿标志

青海省大柴旦镇长征沟矿区位于赛什腾山—阿尔茨托山加里东期、印支期铅、锌、金、钨锡(铜、钴、稀土)成矿带,具有较好的区域成矿地质条件。区域已发现的矿产有铁、铜、金等多金属矿床或矿点,成矿带大体成 NW 走向,从北西到南东依次有小赛什腾山铜矿、野骆驼泉金矿、红灯沟金矿、红柳沟金矿、青龙沟金矿、滩涧山金矿、金龙沟金矿、绿梁山铜金矿,锡铁山铅锌矿等,滩涧山群为区域多金属找矿的重要目标层。     

铜山银矿床地质特征及找矿标志分析

新疆哈密市铜山银矿位于东天山博格达-哈尔里克晚古生代东段银、铜、金多金属成矿带,成矿地质条件极为有利。矿体产于下石炭统雅满苏组海陆交互相正常沉积-火山碎屑岩建造中,构造控矿特征明显。文章结合区域成矿地质背景,通过对矿区地质特征、银铅锌矿体特征、矿石特征及矿物共生组合特征进行了综合分析,在此基础上,总结了矿区找矿标志,为后期在该地区找寻同类型矿床指明了方向。     

四川省铅锌成矿带多元素富集特征及矿床成因

四川省铅锌成矿带是我国较大的多金属成矿带,其蕴含铅、锌和铜等大量的金属矿产资源。随着有限的金属矿产资源不断开发和利用,金属成矿区地质研究对于金属矿的可持续发展有着十分重要的意义。通过对四川省铅锌成矿带多元素富集特征及金属矿床成因详细地分析和研究,为金属矿的勘探和开采提供了丰富的理论指导。     

兰坪矿区茅草坪铜多金属矿床成因及构造演化特征分析

云南兰坪矿区茅草坪铜多金属矿区位于兰坪盆地西缘,地质构造属于青藏东北缘"造山型"铜铅锌银多金属巨型成矿带的中段。本文在前人研究成果的基础上,对茅草坪铜多金属矿床构造特征、矿床成因、矿区构造及演化特征进行了简单分析,通过对区域大地构造特征、矿床成因以及矿区成矿构造演化特征的分析,进一步揭示该区域内地质构造演化序幕,探讨区域地质运动规律及矿床形成动力源,从而对区域内进行深部矿床开发和找矿提供相应的研究基础。     

东昆仑那更康切尔沟银多金属矿成矿特征分析

那更康切尔沟银多金属矿属秦祈昆成矿域昆仑成矿省伯喀里克—香日德印支期金、铅、锌、铜、稀土成矿带,近年勘查工作取得突破性进展和成绩,发现超大型银矿。通过对那更康切尔沟银多金属矿及所在哈日则—那更银铅锌多金属成矿远景区成矿条件和成矿特征的总结,分析该区成矿规律,为下一步勘查工作提供借鉴。     

Benzimidazole resistance in cyathostomes in horses in the Ukraine

The efficacy of treatment with cambendazole was tested in 1-year-old horses on a farm in Dubrovka, Ukraine. Thirty-five horses were treated. Their egg output was compared on the day of treatment and 14 days later with that of 33 untreated horses. Before treatment the mean number of eggs g-1 faeces was 614 in the controls and 766 in horses that had been treated. After 14 days the mean egg output in the controls was 580 and in the treated horses 369. This means a reduction of 54.5%. Only cyathostome larvae could be cultured from faeces collected after treatment. It can be concluded that benzimidazole resistance in cyathostomes is present in the Ukraine.     

重庆高校推进产学研合作的案例分析

以重庆大学、重庆邮电大学和重庆理工大学为例,剖析重庆高校推进产学研合作的基本模式,已经取得的突出成绩,分析总结其基本经验.从完善政策法规体系、强化经济调控、建立组织机构、加强中介建设及开展国际产学研合作等方面,提出了深入推进重庆高校产学研合作的对策建议.     

Fractures in childhood in Khartoum

A prospective study of fractures in 231 children received at Khartoum North Teaching Hospital(KNTH) was carried out for a period of six months. The incidence of child fracture rated as one per day, then it increased from the age of 5 years onwards in boys and between 6 and 8 years in girls. Most injuries were sustained during the day time, especially between late afternoon and sunset. 82% of injured children presented to a medical facility, while 18% were taken to native healers first. Non-road traffic accidents accounted for 84% of the fractures mainly due to sports, domestic injuries and falls; whereas road traffic accidents were 16% and occurred mainly in pedestrians. Forty three percent of the fractures needed only first aid and splintage while 42% needed closed reduction. Thirty one percent of all patients were treated as inpatients. The long bones were affected in 91% of all fractures, the commonest site being the distal end of the forearm (26%), followed by supracondylar fracture of the humerus (15.6%). In the upper limb, left-sided fractures predominated. The epiphyseal injuries were 3.5% of all fractures, mainly at the distal radial epiphysis. Boys were commonly affected between 13-15 years of age. Open fractures constituted 9.8% of the series and were mainly due to traffic accidents in town dwellers, the most vulnerable bones were those of the leg and foot. Pathological fractures accounted for 2.2% and were due to bone cysts and osteogenesis imperfecta. The problem of child safety and the preventive measures need to be more stressed.     

Apoptosis in experimental myocardial infarction in situ and in the perfused heart in vitro

We report the appearance of apoptotic cells in experimental myocardial infarction (rabbit heart) in in situ and in vitro preparations. Apoptosis was recognized by intravital staining with Hoechst 33342 (Ho342), by nick-end labeling (TUNEL) and by DNA laddering. A steady rise in the relative number of apoptotic cardiomyocytes (apoptotic index) was noted in in situ preparations. Apoptosis was first noted 6 h after the onset of ischemia with its highest value occurring after 72 h. Apoptotic nuclei were absent in remote areas of the left and right ventricles. Apoptotic nuclei within the infarcted area showed diminished intensity of Ho342 fluorescence. Three days after ischemia, a border zone adjacent to the infarcted area consisting of apoptotic macrophages was recognized. A novel finding was the appearance of apoptotic cardiomyocytes in the isolated perfused ischemic heart. Occurring as early as 50 min after the onset of ischemia, a high apoptotic index was present adjacent to the ligature placed around the coronary artery. This observation provides the opportunity to selectively examine factors leading to apoptosis in the ischemic heart under controlled experimental conditions.     

Problems in falling in love

Certain patients enter psychoanalysis because of their inability to love another person. Often they report a repetitive erotic pursuit of desired partners, without being able to experience or maintain loving feelings. Kernberg has understood such difficulties as representing effects of early narcissistic disappointments and/or of difficulties in resolving oedipal conflicts. In this paper, Lacanian concepts of the mirror phase and symbolic love are employed to develop these issues. Sexualization of problems in mirroring may be fused with oedipal conflicts in some cases. An extended vignette is presented to illustrate the technical and theoretical issues.