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biological parameters
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  生物学参数
     A STUDY OF THE POPULAION DYNAMIC OF BROWN PLANTHOPPER Ⅱ.SOME BIOLOGICAL PARAMETERS AFFECTING FIELD POPULATION DYNAMICS
     褐飞虱种群动态的研究 Ⅱ.影响田间种群数量变动的一些生物学参数
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     Study on The Biological Parameters of Chilled Meat for Shelf Life
     冷鲜肉货架期生物学参数变化研究
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     BIOLOGICAL PARAMETERS AND MATHEMATICAL MODELS FOR STRIPED RICE BORER FORECASTING
     预测二化螟的生物学参数和数学模型
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     THE BIOLOGICAL PARAMETERS AND NECTAR SOURCE CHARACTERISTICS OF THREE FORAGES
     三种牧草的生物学参数和蜜源特征研究
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     With the assumed values of biological parameters,the curves of the relationship between TCP and the averaged dose in the tumor for the uniform or optimum dose distribution will be shown respectively by calcultion.
     在假设的生物学参数取值和分布下 ,通过计算画出最佳剂量分布和剂量均匀分布时TCP与肿瘤中平均剂量的关系曲线进行分析。
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  生物指标
     The preliminary study indicated that lead exposure at the level of approximately 10 times of MAC had shown elevating blood lead level and causing abnormalities of other biological parameters.
     工人接触10倍于MAC的铅烟已能引起血铅升高及其它生物指标的异常。
短句来源
     It is common to evaluate compost maturity with chemical and biological parameters together.
     采用化学和生物指标综合评价腐熟度是目前最为常用的评价方法。
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     The major emphasis has been on the use of soil chemical and physical attributes as indicators of sustainability. Investigations on biological parameters are increasing.
     在以往的研究中,人们一直强调以土壤理化特性作为持续性指标,但近期国际上关于土壤生物学参数的研究日渐增多,一些参数作为生物指标已表现出很大的潜力,研究空间不断扩展。
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  生物学指标
     The above-mentioned biological parameters of the wasp were higher for the pupae stored for 20 and 30 d than those stored for 1,5,10,45 and 60 d at-4℃;
     1~2日龄蛹在-4℃贮存1、5、10、20、30、45、60d时,上述各项生物学指标以贮存20、30d的最高;
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     Objective To define the correlation between the proliferating cell nuclear antigen (PCNA) and metastasis-related gene nm-23-H 1, and to correlate their espressions with clinical features,radiosensitivity and prognostic variables in exophageal squamous cell carcinoma (ESCC), to establish some biological parameters obtained prior to therapy though which we can predict radiosensitivity and outcome.
     目的 观察PCNA及nm2 3的表达水平与食管鳞癌患者的临床特征、放射敏感性、预后等因素的关系 ,以及在食管鳞癌中PCNA和nm2 3 H1 之间的关系 ,以期找到一个能预测食管鳞癌放射敏感性及预后的生物学指标 ,指导临床治疗。
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     Correlation between several biological parameters and 5-year survival rate in patients with lung cancer
     几项生物学指标与肺癌患者5年生存率的相关性分析
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     The study also found that soil biological parameters, such as microorganism C and N, fungi, bacterium, actinomyces, are significantly different between the treatments and CK.
     在生物学指标中,治理与对照之间的脲酶、微生物量C、N、真菌、细菌、放线菌等都有显著的差异;
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     Correlation between syndromes of posthepatitic cirrhosis and biological parameters:a report of 355 cases
     355例肝炎后肝硬化患中医证候与生物学指标的关系
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  “biological parameters”译为未确定词的双语例句
     Results When the values of biological parameters are not uniform in the tumor,the TCP and average dose relationship curve of optimum dose distribution is better than that of uniforn dose distribution.
     结果 在参数取值分布不均匀时 ,最佳剂量分布时TCP与肿瘤中平均剂量的关系曲线要好于剂量均匀分布时的曲线 ,而且随着参数取值不均匀性的增加 ,两者的差距变大。
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     BRCA1 expression was correlated with other molecular biological parameters including P53, ER, C-erbB-2, Ki67 and some prognostic parameters including age, histological grade, tumor size, axillary lymph node status and prognosis.
     分析BRCAl基因的表达与一些生物学标志物(P53、ER、C-erbB-2、Ki67)及一些临床病理学参数(发病年龄、瘤体大小,淋巴转移情况、组织学类型、组织学分级和预后)间的关系。
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     Field investigation indicated that population density of Nephotettix cincticeps in KMD2 were about 0.5 to 1.0 times higher than that in Xiushui 11. Results from laboratory experiments showed that transgenic rice-KMD1,KMD2 could variously influence biological parameters of N.
     田间种群动态调查表明,转 Bt 基因水稻克螟稻2上的黑尾叶蝉(Nephotettix cincticeps)的种群数量比其母本秀水 11 高 0.5~1.0 倍以上。
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     Hybridoma cells which could stably secrete monoclonal antibody to TGEV were cultured in 1. 5L Celli-gen where the cell density was more than 3.0 × 108/L. The Kinetic and biological parameters also changed with the change of the cell density.
     能稳定分泌抗TGEV单抗的杂交瘤细胞,培养于1.5L Celligen中,接种浓度不少于3×10~8/L,杂交瘤细胞在Celligen中生长,随着细胞浓度的变化,其生物学和动力学参数均发生相应的变化。
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     [WT5”HZ]Methods[WT5”BZ] Expression of angiopoietin 2, Tie2 receptor and CD34 was determined with in situ hybridization and immunohistochemistry in 22 resected HCC, 8 cirrhotic and 8 control liver specimens. The correlation of levels of angiopoietin 2 and Tie2 receptor in HCC to the tumor's biological parameters was analyzed.
     方法 原位杂交、免疫组织化学检测Angiopoietin 2基因、CD34、Tie2受体在 2 2例人肝细胞性肝癌(HCC)、8例门静脉性肝硬化 (CL)和 8例正常肝 (L)的表达 ,并分析Angiopoietin 2、Tie2表达水平与肿瘤生物学行为的相关性。
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  biological parameters
A comparison of the spawning migration, genetic and biological parameters of stellate sturgeon from the Volga population in 1985
      
The dynamics of changes in several genetic and biological parameters of the Volga stellate sturgeon during the spawning runs of 1985 and 1996 were studied by electrophoresis and morphometry and compared.
      
The effect of demographic population factors and individual biological parameters on the rate of the neutral molecular evolution
      
The dependence of the rate of neutral molecular evolution on both biological parameters and demographic population factors has been investigated.
      
The second part concerns the effect of individual biological parameters and demographic population factors of members of the Order Testudines (Turtles) on the relative rate of evolution of the mitochondrial CytB gene.
      
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A model of safety evaluation for selecting the pesticide used in the tea garden wassuggested by the author according to the experimental results of the degradative dynamicsof more than 20 pesticides on the tea bush.Among the main factors influencing thedegradation of pesticides and the safety of human from the pesticide was applied onthe tea bush to the pesticide residue entered the human body with the tea infusion,5 physical,chemical and biological parameters of pesticides were selected as thesafety indexes...

A model of safety evaluation for selecting the pesticide used in the tea garden wassuggested by the author according to the experimental results of the degradative dynamicsof more than 20 pesticides on the tea bush.Among the main factors influencing thedegradation of pesticides and the safety of human from the pesticide was applied onthe tea bush to the pesticide residue entered the human body with the tea infusion,5 physical,chemical and biological parameters of pesticides were selected as thesafety indexes by the author in the purpose of selecting the pesticide suitable in the teagarden.It also would be useful in the structural design of synthesizing the pesticidepurposefully.It comprises the following 5 selective parameters and each of which issub-divided into 4 classes.(1)Half-life(HL_(50))on fresh tea leaves:1st class<0.6days;2nd class 0.61-1.5 days;3rd(?)class 1.51-3.0 days;4th class>3.0 days.(2)Vapour pressure of pesticide(mm Hg,20-25℃):1st class>1×10~(-5);2nd class1×10~(-5)—1x10~(-6);3rd class 1x10~(-6)—1x10~(-7);4th class<1×10~(-7).(3)Watersolubility of pesticide(ppm,20-25℃):1st class<1;2nd class 1-100;3rd class101-200;4th class>200.(4)ADI value(Acceptable Daily Intake)of pesticide(mg/kg.day):1st class>0.01;2nd class 0.005-0.01;3rd class 0.001-0.0049;4th class<0.001.(5)Oral LD_(50)of acute toxicity in rats(mg/kg):1st class>500;2nd class 101-500;3rd class 31-100;4th class<30.The evaluation ofthe safety of pesticides is based upon the cumulative value of the above 5 parameters.It is showed that the lower the cumulative values,the safer the pesticide.If thecumulative value of a pesticide is over 12,it can not be used in the tea garden.

根据20余种化学农药在茶树上降解动态的研究结果,提出了茶园用药安全性指标设计的概念。从农药被喷施在茶树上到随茶汤进入人体整个过程,在影响人体安全的因素中,作者选用了农药的5个物理、化学和生物学参数作为选择农药在茶园中适用性的安全性指标,也可供有针对性地合成农药结构设计时参考。上述5项指标中有4项属农药常用参数。这5项指标是:①在茶树鲜叶上的半衰期;③蒸气压;⑧水中溶解度;④允许每日摄入量(ADI);⑤大白鼠口服急性 LD_(50)。每项指标分为4级,其累计值即为该农药的安全性评价值。累计值低于或等于10属适用品种,11—12属中适品种,大于12不适于茶园应用。作者对40余种农药采用上述方法选择的结果与田间研究划分的结果完全一致。

64 workers exposed to lead fume at the average level of 0.37mg/m3 and 42 controls (average level of air lead was 0.021mg/m3) were examined. Data obtained from air lead, blood lead, urine lead, δ-ALA-U, FEP and behavior function tests were quite coincident. The blood lead level was in a good correlation with the air lead level (r=0.98, P<0.01). The dose-response relationships among the blood lead and other biological parameters had been revealed in the workers exposed to lead.The preliminary study indicated...

64 workers exposed to lead fume at the average level of 0.37mg/m3 and 42 controls (average level of air lead was 0.021mg/m3) were examined. Data obtained from air lead, blood lead, urine lead, δ-ALA-U, FEP and behavior function tests were quite coincident. The blood lead level was in a good correlation with the air lead level (r=0.98, P<0.01). The dose-response relationships among the blood lead and other biological parameters had been revealed in the workers exposed to lead.The preliminary study indicated that lead exposure at the level of approximately 10 times of MAC had shown elevating blood lead level and causing abnormalities of other biological parameters. The recent study showed that the acting MAC of lead was quite safe.

本文调查64名铅作业工人,接触铅烟浓度平均为0.37mg/m~3;42名对照工人,空气中铅浓度平均为0.021mg/m~3。检查项目包括血铅、尿铅、尿δ—氨基酮戊酸、红细胞游离原卟啉及行为功能,各项观察指标的结果十分一致。铅作业工人的血铅水平随着空气中铅浓度的升高而升高,两者相关非常显著(r=0.98,P<0.01)。血铅与其他参数也有相关,得到很好的剂量-反应关系。工人接触10倍于MAC的铅烟已能引起血铅升高及其它生物指标的异常。结果表明,我国现行的铅烟MAC0.03mg/m~3是安全的。

Researches were carried out in Taihu Lake District, Jiangsu Province in 1979-1985 on some biological parameters associated with field population dynamics of brown planthopper Nilaparvata lugens (Stal) on single cropping late-season rice.The results show that the hatching rate is 80%, the survival rate during the nymphal stage is 18.6%, the female life-span is 8 days, the submodel of oviposition number of the female adult during different developmental stages (day old) is E=(12.54Ⅰ-25.4)C/100.(where: Ⅰ=day...

Researches were carried out in Taihu Lake District, Jiangsu Province in 1979-1985 on some biological parameters associated with field population dynamics of brown planthopper Nilaparvata lugens (Stal) on single cropping late-season rice.The results show that the hatching rate is 80%, the survival rate during the nymphal stage is 18.6%, the female life-span is 8 days, the submodel of oviposition number of the female adult during different developmental stages (day old) is E=(12.54Ⅰ-25.4)C/100.(where: Ⅰ=day old of female adult, C=oviposition number per female adult for 8 days under the experimental condition). The emigration rate of maeropterous females bred on the crop during the heading-ripe stage rises gradually from 20 to 95%. At 25℃ the reproduction rates of macropterous and braehypterous females feeding on the booting-stage plants are 9.8 and 13.3-fold respectively. By using these results, it is possible to translate the experimental population dynamic model into field population dynamics model so as to accurately predict the field population fluctuation of the pest.

本文研究了江苏太湖单季晚稻区影响褐飞虱田间种群数量变动的有关生物学参数:卵孵化率80%,若虫存活率18.6%,成虫寿命8天,其不同日龄个体产卵量模型为E=(12.54Ⅰ—25.4)C/100,水稻抽穗后长翅型成虫迁出比例从20%逐渐增至95%。在25℃条件下,取食孕穗期水稻的褐飞虱长、短翅型成虫繁殖倍数分别为9.8倍和13.3倍。应用以上研究结果,将褐飞虱实验种群动态模型改建成田间种群动态模型,用以预测褐飞虱田间种群数量的消长。

 
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