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1986 Vol. 5, No. 6

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1986, 5(6): 1-7.
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Modified 24 hour recall diefary sarvey method and its application in a pidemiological research of cardiovascular discasas
Zhou beifan, Yang jun, Cao tianxiu, Gao runquan, Lǚ changqing, Zhao heng, Han shaomei
1986, 5(6): 8-11.
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For the purpose of developing an individual dietary survey method being comparable with international standardized nutritional survey method, appropriate for the features of Chinese diet and applicable in epidemiological study of chronic diseases. We developed the modified 24-hr recall method, started from a pilot study and now applied extensively in the study of risk factors of cardiovascular diseases. Here give a brief introduction of the construction and standardization of this method, include the training and cartification of interviewets, quality control of interviewing, compiling of food table and coding of ditary recall forms, using the nutrition data odtained from the dietary interviews, the feasibility, reliability and representativeness of this method were analyzed.
1986, 5(6): 11-11.
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Study on Polymers in Fried Oils
Wang Ruiqing, Pang wenyan, Li kuichun
1986, 5(6): 12-14.
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The fatty acid monomer, dimer and polymer and total polymer content in fried soya bean oil and sunflower seed oil were measured to study the changes of these indicators with the duration of frying. The oils examined were either treated experimentally with different methods, namely, frying twisted dough sticks for 12 hr at 240℃, frying twisted dough sticks 2 hr daily for 4 days, frying water-soaked cotton ball for 192 hr at 180℃,or takes from the oils being used for frying dough foods in 12 random restaurants of Changchun City. The results indicated that the polymer content is one of the indicators for determining the severity of deterioration of fried oil.
1986, 5(6): 14-14.
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Effects of Sodium Fluoride on Genital System of Mice
Huang Zuoneng, Liu xuhong, Yan chunsheng
1986, 5(6): 15-17.
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Simple and sensitive chromosome damage iadices iacludiag inductioa of chromosomal aberrations in germ cells of testis and sperm abnormalities is mice were used to study the of sodium fluoride. The results showed that no sigaificant mutatioa production was found at expourse level (1.4mg/kg), while sigaificeat damage in male germ cells and iaterference of spermatogeaesis were observed in mice exposed to higher doses(7.0, 28.0mg/kg).
1986, 5(6): 17-17.
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Radon Level and Its Changes in Internal and External Environments of Typical Residential Rooms in Shenyang City
Meng Wenbin, Zhang weidao, Cui peichao
1986, 5(6): 18-21.
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The levels of radon and its daughter products together with their diurnal and seasonal changes in internal and external environments of typical residences and living quarters of Shenyaag city were reported. The geometric mean of radon concentrations inside end outside the rooms were 40.2 and 14.1 Bq·M-3 respectively, their geometric standard deviations were 1,9 and 1.7 and the equilibrium equivalent radon concentrations inside and outside the rooms were 16.1 and 6,3 Bq·M-3, respectively.
Risk State Analysis and Its Applications (I) Theory and Algorithm
Yunyuan Liu, Li junyao, Wu yanping, Chen yuanli
1986, 5(6): 22-26.
Abstract:
The Present paper reports on the introduction of Risk State Analysis,Automatic clustering of the exposed levels and sieving of the variables are done by the information and non-parametric optimum-seeking criteria proposed by the authors. The risk states are directly analysed overcoming the difficulties encountered in the Selection of the models and multicollinearity of the Logistic and Cox regressloa analysis. This give hi沙er clarity in the analysis results thus helping to show the joint effects of several risk factors. To illustrate the application of this new method, two numerical examples is the case-control study and survival analysis are gwen.
Study on the Level of Antibody to CMV in Population by ELISA
Zhang Wenhua, Chen shuxia, Du xinlin, Liu chongbo
1986, 5(6): 27-28.
Abstract:
The infection of CMV is very common, but the prevalence and the Level of antibody to CMV in population have not been reported Yet in our country. We estaulished ELISA method is which purified CMV was used as coating antigen for detection of anti-CMV IgG.285 sera from normal persons in Zhending county of Hebei province were tested. The results showed that the positive rate of antibody to CMV was 56% in 1-5 Years old group and reached 100% in persons over 50 Years of age, indicating increase is rate of CMV infection along with age.
The Viral Etiologic Studies of Acute Infantile Diarrhea in Different Seasons
Shi Ousheng, Du bing, Li xiuzhu, Qian chenghuai, Shao rongkang
1986, 5(6): 29-32.
Abstract:
From June 1983 to June 1984, 189 faecal specimens from 0-3 Years old children with acute diarrhea and 180 specimens collected from the healthy children of the same age group were detected by DEM, IEM and ELISA. The total positivity of viruses was 22.22% in diarrhea children group, and 13.89% in control group. The positivity of rotavirus was 12.17% in diarrhea children group and 1.06% in control group.There was significant difference between two groups,Besides rotavirus,adenovirus,small round virus end other unidentified virus particles were also detected.
1986, 5(6): 32-32.
Abstract:
Survey of the Status of of Child-bearing Hepatitis B Virus Infection in 134 Healthy Women Age in Dezhou Subregion, Shandong Province
Yu Dekui, Pang huaming, Li jingheng, Shan yongming
1986, 5(6): 33-34.
Abstract:
Serum samples from 134 healthy women of child一bearing age in Dezhou subregion,Shandong province,were tested for HBsAg, Anti-HBs (SP-RIA);HBeAg, Anti-HBe and Anti-HBc (ELISA). The results showed that 59 serum samples having one or more markers of HBV infection with an overall HBV prevalence rate of 44.03%. Of the 134 serum samples, positivity rates for HBsAg and,or HBeAg,Anti-I3Bs and Anti-HBe, Anti-HBe and Aati-HBc, Aati-HBs alone were 18.66%, 7.46%, 3.73i% and 9.70% respectively.
1986, 5(6): 35-37.
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1986, 5(6): 37-37.
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1986, 5(6): 37-37.
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1986, 5(6): 38-39.
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Biological Typing of 161 Strains of Campylobacter Jejunum/Coli
Li Zuorong, Liang rongshen
1986, 5(6): 40-41.
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One hundred and sixty one strains of Campylobacter jejunum/coli were isolated from human and anmals in Haizhu district of Guaagzhou city from June through October is 1984. These microbes were biologically typed according to Butzler's method(i,e based on the results of rapid hippurate hydrolysis,rapid H2S and DNA hydrolysis tests, these microbes were divided into eight biological types) and their distributions in human and animals were compared. The results showed that Campylobacter jejunum type I was the predominant strain in both sick and healthy persons,amouated to 57.13% and 59.57% respectively.Campylobacter coli especially former type I, amounting to 69.23%.II came next, amounting to 12.77%-25.53% each.
1986, 5(6): 42-44.
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1986, 5(6): 45-32.
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1986, 5(6): 49-51.
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Comparative Study of ELISA and Y-1 Cell Test for Detection of Thermo-labile Enterotoxin of Escherichia coli
Liu Qiong, Fu binnan, Zhang min, Wang xinyu, Wu biwen, Lou hong, Wei tao, Liu aifen
1986, 5(6): 52-54.
Abstract:
By taking advantage of presence of cross imm unoreaction between thermo-labile enterotoxin of Escherichia coli(LT) and cholera toxin (CT), anti CT-ELISA was developed for detection of LT and was compared with the Y- 1 cell test. The rate of coincidence in detection of 68 strains of Escherichia coli by these two methods 97% and the P/N value of anti CT-ELISA was closely with the intensity of Y-1 cell reaction(r=0.88).
1986, 5(6): 55-57.
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1986, 5(6): 57-57.
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1986, 5(6): 58-60.
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1986, 5(6): 60-60.
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1986, 5(6): 61-63.
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1986, 5(6): 64-64.
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