Petroleum Geological Conditions in Qiangtang Basin

PETROLEUM GEOLOGICAL CONDITIONS IN QIANGTANG BASIN     

POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS ON TREATED IRRIGATION FURROW PROCESSES

lINTRODUCTIONFurrowirrigationsupplieswatertotheheadofindividuallyformedsoilchannelsataratethatmatchesorexceedsfurrowinfiltrationcapacity,sothatwateradvancesdownslopethroughthefieldtothefurrowoutflow.Increasinginflowrateincreasesstreamdepth,wettedperimeter,velocity,andfurrow-streamadvancerate.Thisincreasesinfiltrationandimprovesirrigationapplicationuniformity.However,boostinginflowsalsoincreasesthestream-shydraulicshearandsoildetachmentrate,andsedimentconcentration,transport,andfieldlosses…     

MOTIVATION OF CHINESE INVESTMENT IN VIETNAM

1INTRODUCTIONIn January 2003, the London Based Financial Times re- ported that China attracted a record of US$52.7×109 in foreign direct investment (FDI) in the year 2002, sur- passing the United States to become the world's largest FDIrecipient. From zero in 1978 to over US$52×109 in 2002, the compound rate of growth of FDI in China has been nearly 40% per year. This growth helped China achieve a remarkably high average growth rate of GDP of nearly 10% per annum from 1978 to …     

FUZZY SYNTHETIC EVALUATION ON RESIDENT''''S PERCEPTIONS OF TOURISM IMPACTS——Case of Jiuzhaigou National Park, Sichuan Province, China

1INTRODUCTIONCommunity residents form an important part of tourismdestinations and play a crucial role in the protection anddevelopment oftourism resources. The Tourism Agenda21 advocates that the development of tourism industryshouldconsider the interestsofthe host residentsand en-sure long-term viability beneficial towards destinationcommunity (LIU, 2000). Yet in manyinstances tourismdevelopment proves detrimental to host communities(LANKFORD and HOWARD, 1994; LIU and VAR,1986)…     

THE SPATIAL DIVISION OF INDUSTRIES OF THEPEARL RIVER DELTA IN THE1990s: CHARACTERISTICS AND TRENDS

The Pearl River Delta (PRD) has been the mostdynamic region of China in the 1980s. The gross outputvalue of industry and agriculture, gross output value ofindustry, total amount of retail sales of consumer goodsand government revenue are chosen to examine the economic growth of the PRD. From 1980 to 1991, theabove-mentioned .four indicators increased at annualaverage rate of 23. 92%, 25. 16%, 20. 05% and16. 32% respectively, being 7. 86, 8. 43, 5. 63 and4. 77 percent points above that of t…     

Microfossils from the Upper Sinian (Late Neoproterozoic) Doushantuo Formation in Changyang, Western Hubei, China

l.IntroductionIn1978,YinLeimingandLiZaipingreportedonProterozoicmicroplansinsouthwestChina.Alt-houghmostwerefoundinmacerationofsiliclasticsandcarbonates,thinsectionsoftheDoushantuochertfromtheTianzhushandistrictnearChangyang(samples#TianR.l9and#TianR.29,inL.YinandLi,l978)containedtwolargespinosespeciesfAs-lerocaPsoidessinensis(upto325Umindiameter)andTianzhushaniasPinosa(45opmindiameter).Subsequentst-UdiesoftheDoushantuoFormationindicatethatthemicrofossilsintheDoushantuochertandphosph…