末次冰盛期-全新世东海陆坡滑塌沉积的地质年代与沉积学证据

基于东海陆坡区OT12-01孔长度为5.35 m沉积物AMS 14C测年、高分辨率粒度分析和XRF岩芯元素扫描数据,识别出了末次冰盛期(LGM)至全新世期间发生的多次滑塌事件。研究发现,OT12-01孔全新世晚期沉积层缺失,LGM至全新世期间呈现AMS 14C年龄模式频繁倒转、沉积物粒度、元素比值垂向上多处突变或"错动"等特征,保存了LGM至全新世非连续的沉积记录。OT12-01孔沉积物主要来源于低海平面时期的长江/黄河物质,OT12-01孔是由中国大陆陆源物质在东海陆架经水动力分选,细颗粒被搬运至东海陆坡后,发生多次滑塌形成。LGM时期物源供给是OT12-01孔形成滑塌沉积的重要因素,末次冰消期海平面快速上升可能是高频滑塌沉积的触发原因,而低海平面时期甲烷水合物溢出、频繁的地震和火山喷发可能是海底滑坡作用发生的诱因。     

地电故障数据处理系统

地电故障数据处理系统软件研制的目的在于当地电仪器出现故障,无法采集到仪器内存中原始数据时,能根据地电纸带上仅有的一些原始数据,利用该系统可以准确、快速、方面地转换成特定格式的数据文件,及时上报至中国地震局。该系统的开发,将会减轻台站工作人员的负担,杜绝了数据格式的不正解性,防止了数据迟报现象的发生。     

鲕粒,豆粒磷块岩的显微结构和生成特点

晚震旦世陡山沱组和早寒武世渔户村组、辛集组磷矿中有各种鮞粒、豆粒磷块岩。豆粒、鮞粒内核的成分和结构复杂,有来自陆地的各种岩石砂屑、细砾,也有盆内沉积物破碎成的各种内碎屑。鮞粒、豆粒的壳层是同心纹层状磷灰石,它是内核在富磷海水扰动中逐层淀积而成。大部分豆粒、鮞粒在滨海高能浅水中与陆源砂、砾和岔内碎屑沉积在一起,少量鮞粒则沉积在滨外深水低能环境巾。豆粒、鮞粒和碎屑等沉积后又被不同物质胶结。     

湘东北—桂北中元古界岩石地球化学特征

湘东北—桂北中元古代冷家溪群和四堡群的变玄武岩类显示过渡型拉斑玄武岩类的地球化学特征,变砂岩类和变泥岩类（绢云板岩类）显示大陆边缘的砂岩类和泥岩类的地球化学特征。根据岩石地球化学和沉积相（低密度流复理石建造）特征,推测湘东北冷家溪群和桂北四堡群主要形成于大陆边缘深水环境。     

Florogeography of mire plants in southern part of qinghai-xizang plateau and its adjacent areas

ＦＬＯＲＯＧＥＯＧＲＡＰＨＹＯＦＭＩＲＥＰＬＡＮＴＳＩＮＳＯＵＴＨＥＲＮＰＡＲＴＯＦＱＩＮＧＨＡＩＸＩＺＡＮＧＰＬＡＴＥＡＵＡＮＤＩＴＳＡＤＪＡＣＥＮＴＡＲＥＡＳＺｈａｏＫｕｉｙｉ（赵魁义）ＣｈａｎｇｃｈｕｎＩｎｓｔｉｔｕｔｅｏｆＧｅｏｇｒａｐｈｙ...     

DISSOLVED AND PARTICULATE ORGANIC CARBON IN YANTAI SISHILI BAY AQUICULTURE WATERS

Investigation of dissolved organic carbon (DOC) and particulate organic carbon (POC) at 12 stations in Yantal Sishili Bay in May, August, and November of 1997 and March and May of 1998 showed that DOC concentrations varied from 1.14 mg/L to 5.35 mg/L; that the average values at all staticrLs ineach entise varied from 1.52 mg/L to 2.12 mg/L; that POC concentrafions varied from 0.049 mg/L to 1.411mg/L; and averaged 0.159 mg/L to 0.631 mg/L in each cruise. Horizontal distribution of DOC was influ-enced by factors such as continental input, organism activity, temperature, aquieulture environment, etc. The higher POC concentration occurred along the coast. The vertical distribution of DOC and POC changed obviously in spring and summer, but not obviously in autumn and winter. DOC concentration was highest in summer and POC in spring; both were lowest in winter. The seasonal change of DOC was con-sistent with primary productivity seasonal variation, and that of POC was consistent with ehlorophyll-a sea-sanal variation. The seasonal change trend of the C/N ratio of dissolved organic matter was obvious, but the C/N ratio of particulate organic matter had no such trend.     

A NEW BIOGENIC SULFIDE CHEMICAL SENSOR FOR MARINE ENVIRONMENTAL MONITORING AND SURVEY

ＩＮＴＲＯＤＵＣＴＩＯＮＢｉｏｇｅｎｉｃｓｕｌｆｉｄｅｐｒｏｄｕｃｅｄｂｙｂａｃｔｅｒｉａｌｓｕｌｆａｔｅｒｅｄｕｃｔｉｏｎｉｓｏｎｅｏｆｔｈｅｍｏｓｔｉｍｐｏｒｔａｎｔｉｎｄｉｃａｔｏｒｓｉｎａｎｏｘｉｃｍａｒｉｎｅｅｎｖｉｒｏｎｍｅｎｔｓ,ｐａｒｔｉｃｕｌａｒｌｙｉｎｃｏｎｆｉｎｉｎｇｂａｙｓ,ｐｏｌｌｕｔｅｄｅｓｔｕａｒｉｅｓａｎｄａｑｕａｃｕｌｔｕｒｅａｒ ｅａｓ.Ｔｈｅｉｎｃｒｅａｓｅｏｆｉｔｓｃｏｎｃｅｎｔｒａｔｉｏｎｕｓｕａｌｌｙｉｎｄｉｃａｔｅｓｗｏｒｓｅｎｅｄｃｏｎｄｉｔｉｏｎｓ.…     

�����ݶ�����ģ�⼰���ڹ��Ե����е�Ӧ��

?о???????EGM??DTM???????????????????????????????????????EGM2008??SRTM3???????????????????????????????????????????????????T^_zz???????????????????μ??????????????????????????????????????????????????????????????????????????????????????λ???????????????仯??????λ???????ж??????????????????????????????????????????     

������С��������Ԥ��ȫ�������ܵ��Ӻ���

??????????????????(VTEC)??????????????????????????????????4?????????????????????Э????????????????С???????÷????????????????????????г????????????????????????????????????????????????????????(CODE)????????????????????????0.812???????????ο???в???4 TECu????????????????????????????????????????????γ20°?????????????????????????????????????1??7 TECu?????????????????2.4 TECu?????CODE????????20.14%????????????????3.5 TECu?????CODE???????????????????3.0 TECu?????CODE????????8.25%??     

预算编制执行中存在的问题及对策

1部门预算编制中存在的问题(1)尚未建立科学的标准体系和管理体系。一方面,由于国家、省、市出台的行政事业单位开支标准制度相对滞后,执行中“超标”现象普遍存在,增加了建立科学合理的预算定额标准体系的可操作难度。另一方面,由于资源调查基础数据不够准确、真实,不能正确反