选择这一时间段作为参考是因为，美国国家天气服务局将30年定义为“正常参考值”或平均气温。
That period was chosen largely because the U.S. National Weather Service USES a three-decade period to define "normal" or average temperature.
吸烟降低身体活动的忍耐力，增加血液凝结的可能性，降低高密度脂蛋白胆固醇（该胆固醇是好的，正常参考值1.16--1.55μmmol/L）。
Smoking decreases your tolerance for physical activity and increases the tendency for blood to clot. It decreases HDL (good) cholesterol.
目的制定本实验室琼脂糖凝胶电泳法(age)测定血清蛋白的正常参考值范围。
Objective to establish the normal reference values of serum protein with agarose gel electrophoresis (AGE) in local clinical laboratory.
目的为了便于观察荷瘤实验动物血清唾液酸的变化情况，也鉴于国内文献尚无大鼠和小鼠血清正常参考值。
Objective To observe the change of blood serum sialic acid in experimental animal with bearing cancer, while there are no normal reference value on Wistar rats and KM mice blood serum sialic acid.
用健康查体标本做室内正常参考值。
The normal reference values of healthy person serum were established.
目的为制定中国女性幼儿红细胞计数正常参考值的统一标准提供科学依据。
Objective This paper aims at supplying a scientific basis for unifying the normal reference value standard of red blood cell count of Chinese young girls.
目的建立10种常见SPF级实验大、小鼠血液及生化正常参考值。
ObjectiveTo obtain the reference value of normal hematological and biochemical indexes of 10 kinds of usual SPF grade rats and mice.
结论应该按照性别和年龄的不同建立舌骨位置的正常参考值。
Conclusions We should establish the normal values of hyoid position by gender and age.
对比大理地区健康汉族人与白族人血清总三碘甲状腺原氨酸（TT3）、总甲状腺素（TT4）含量，建立本地区健康人TT3、TT4正常参考值。
Objective:To contrast the levels of serum TT3 and TT4 between healthy Han and Bai people and to establish the local normal value of TT3 and TT4 in Dali.
证明不同地区正常人群发砷含量有差别，故制订我国人群发砷正常参考值时应包括全国发砷最低与最高值的范围。
The normal reference value should be included both the lowest and highest hair arsenic levels in our country because the difference of hair arsenic level at different area had been proved.
目的建立本地区健康成年人群网织红细胞百分率及网织红细胞成熟指数的正常参考值，同时与贫血患者群进行比较。
Objective To establish the normal range of reticulocyte percentage and reticulocyte maturity index in healthy people and to compare it with anemia patients.
报告谷胱甘肽s -转移酶(GST)诊断试验在健康小鼠血清中的分布和正常参考值，并应用临床流行病学方法对血清gst诊断试验进行评价。
To report active distribution and normal range of serum glutathione S-transferase (GST) activity in healthy mice, and evaluate serum GST diagnosis test using clinical epidemiological method.
目的研究正常人静态姿势图参数的参考值范围。
Objective To study the range of the reference value of static posturography parameters in normal subjects.
目的：研究健康汉族青年唾液中一氧化氮(NO)含量正常参考值限，及其与口腔龋病、龈炎的关系。
AIM: To investigate the nitric oxide (no) level in saliva of healthy youths Han and the differences of no levels among the individuals with normal mouth, dental caries and gingivitis.
将获取的资料与正常参考值作比较。
目的为评估肥胖儿童体脂肪率，建立身体组成成分正常参考值而进行电阻抗测儿童体脂肪率正常参考值研究。
Objective to evaluate the body fat ratio of obesity children and to establish the reference value of body composition.
目的测定不同年龄正常儿童股骨颈颈前间隙的宽度，为儿童双侧髋关节疾病如双侧髋关节一过性滑膜炎的超声诊断提供正常参考值。
Objective To measure the width of space in front of the femoral neck at different age of normal children for diagnosis such as hip disease in children as bilateral transient synovitis of the hip.
目的测定10种常用sPF级大、小鼠体重、脏器及肠道等正常参考值。
Objective To measure the indexes of normal organ weight and organ coefficient of 10 kinds of usual SPF grade rats and mice.
目的测定大鼠面神经脑诱发电位潜伏期的正常参考值，建立本实验室面神经脑诱发电位正常参考值数据库。
Objective To mensurate the normal latency of facial nerve-evoked brain potentials in rats, and establish a database of normal values of facial-nerve evoked brain potentials for our lab.
定量地分析不同年龄段正常脑白质磁共振扩散加权成像ADC值，建立正常脑白质及灰质ADC值标准，为评价放射性脑损伤提供参考值。
To quantitatively study the ADC values of normal white matter with advancing age on diffusion and establish reference values of ADC for further studies of radiation-induced injury.
目的了解我国一般人群骨密度正常参考值。
Objective To investigate the normal references of bone mineral density(BMD) and provide important basis of diagnosis and treatment for osteoporosis.
目的：建立广州地区正常孕妇血浆纤维蛋白原水平及纤维蛋白单体聚合功能的正常参考值。
Objective: to detect the plasma fibrinogen monomer polymerization function and level in Guangzhou pregnant women in order to establish a standard reference range.
目的探讨及建立青少年胫后神经皮层体感诱发电位正常参考值范围。
Objective to investigate and establish normative values for posterior tibial nerve cortical somatosensory evoked potentials (PTN-CSEPs) in adolescent.
根据中国某地的地理因素，用回归方程可以估算这个地区的血红蛋白正常参考值。
If geographical values are obtained in some areas, the reference value of Chinese middlescent women's hemoglobin of this area can be reckoned using regression equations.
目的：初步建立血浆内毒素定量检测模式，提出健康人群血浆内毒素正常值及内毒素血症诊断参考值。
Objective: to establish a routine for quanti ta ting endotoxin in blood plasma and determine the reference value of endotoxin in blood plasma of healthy subjects for diagnosis of infectious diseases.
目的取得正常人听觉erp的正常参考值。
这是一篇研究赤蠵龟血液化学的文章，目的在于定量出亚特兰大地区，野生赤蠵龟身上各种血液蛋白的正常参考值。
The objective of this study was to determine reference intervals for plasma protein fractions of normal appearing, wild Atlantic loggerhead sea turtles, Caretta caretta.
目的探讨东莞市区幼儿园3 ~7岁学龄前正常儿童头发中微量元素含量均值，以此作为东莞市区儿童头发中微量元素正常参考值。
Objective to discuss the contents of children's hair trace elements in Dongguan city from 3 to 7 years old of preschool children.
目的建立健康儿童T淋巴细胞亚群及其绝对计数的正常参考值。
Objective To establish the normal range of t lymphocyte subset and absolute count in child.
目的建立健康儿童T淋巴细胞亚群及其绝对计数的正常参考值。
Objective To establish the normal range of t lymphocyte subset and absolute count in child.
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