This paper analyzed the distinguish between total pollutant discharge monitoring and supervise monitoring in the lowed test limit, monitoring frequency, sampling optimization of first pollutant and pollutant over discharge standard Some countermeasures were put forwar
分析了排污總量監(jiān)測過程中關(guān)于最低檢出限、一類污染物的采樣點(diǎn)位、監(jiān)測頻次、超標(biāo)污染物等方面與污染源監(jiān)督監(jiān)測的區(qū)別以及存在的問題 ,并提出了相應(yīng)的對策和措施。
Objective To observe the frequency of direct nursing categories within 72 hours of admission in major burn patients in order to design nursing training programs and make rational arrangement of nurses.
方法 采用加拿大PRN系統(tǒng)統(tǒng)計(jì) 42例大面積燒傷患者入院后2 4、48、72h所接受的直接護(hù)理項(xiàng)目頻次。
OBJECTIVE: To screen out the Chinese herbs of treating of atypical pneumoina by researching the frequency use of Chinese herbal medicine in the prevention and treatment prescriptions.
結(jié)果:在預(yù)防和治療非典型肺炎中藥處方中使用頻次最高的中藥分別是金銀花和甘草;均位居前5位的中藥有4味,依次是甘草、金銀花、黃芪和連翹。
Mean concentrations and frequency of the compounds in drinking water of Jiangsu province,while the concentrations and frequency were determined in three water seasons of aboundence,average and dryness.
文章用化合物的潛在危害指數(shù)來指示物質(zhì)對環(huán)境的毒性,結(jié)合江蘇省飲用水中豐、平、枯三個(gè)水期測定出的有機(jī)物污染物的檢出濃度和檢出頻次,利用分級、加權(quán)法對檢出的化合物進(jìn)行排序,從而篩選出江蘇省飲用水中的優(yōu)先監(jiān)測污染物。
Using the conventional meteorological and anemometer data and the Asian circulation data from 1971 to 2000,as well as the 8-type land use data from 1990 to 2000,an ecological/climatic effect model of sandstorm occurrence frequency and mean duration was established for the spring from March to May in Ningxia region.
利用寧夏1971~2000年常規(guī)氣象、自記風(fēng)及同期亞洲環(huán)流資料,并結(jié)合1990~2000年寧夏八大類土地詳查資料,建立了對寧夏中部干旱帶春季3~5月份沙塵暴發(fā)生頻次和平均持續(xù)時(shí)間擬合效果較好的生態(tài)/氣候影響分析模型。
Using the conventional meteorological and anemometer data and the Asian circulation data from 1971 to 2000, as well as the 8-type land use data from 1990 to 2000 , an ecological/climatic effect model of sandstorm occurrence frequency and mean duration was established for the spring from March to May in Ningxia region.
利用寧夏1971-2000年常規(guī)氣象、自記風(fēng)及同期亞洲環(huán)流資料,并結(jié)合1990-2000年寧夏8大類土地詳查資料,建立了對寧夏中部干旱帶春季3-5月沙塵暴發(fā)生頻次和平均持續(xù)時(shí)間擬合效果較好的生態(tài)/氣候影響分析模型。
Citation Analysis in the Digital Scientific Research Age——Demonstration Research Based on Citation Frequency Analysis;
數(shù)字科研時(shí)代的引文分析——基于被引頻次分析的實(shí)證研究
How to improve citation frequency and impact factor of Chinese English journals;
如何提高英文版科技期刊的被引頻次和影響因子