昼夜变化

探讨炎症介质LTE4的昼夜变化规律，从而揭示夜间哮喘发病机制；

To investigate the circadian rhythm of inflammation mediator leukotriene E4 ( LTE4 ) .

老年人的血压昼夜变化具有良好的稳定性。

The circadian rhythm of blood pressure has good stability .

十二指肠溃疡胃内pH昼夜变化

Changes of endogastric pH in 24 hours in patients with duodenal ulcer

土壤CO2浓度昼夜变化及其对土壤CO2排放量的影响

Diurnal Variation of Soil CO_2 Concentration and Its Relationship with Soil CO_2 Flux

自然条件下植物叶片CO2同化率昼夜变化的生理生态特性

Diurnal variation in net photosynthetic rate and respiration rate of plant leaf under natural conditions

小鼠海马组织中cAMP含量和AC活性的昼夜变化

Circadian Variation of cAMP Concentration and Adenylate Cyclase Activity in Mice Hippocampus Tissue

春小麦籽粒灌浆期旗叶~（14）C－同化物在库端卸出的昼夜变化

Diurnal changes in sink unloading of ( 14 )￣ c - assimilates from flag leaves of spring wheat duking grain filling stage

中层顶区Na原子分布昼夜变化的模拟研究

A simulation study on the diurnal variation of the sodium layer in the mesopause region

血浆ET、CGRP与高血压患者血压昼夜变化的相关性

Relation Circadian plasma ET-CGRP Changes between the Circadian BP in patients with hypertension

西安冬春季PM（10）中碳气溶胶的昼夜变化特征

Day-Night Variation of Carbonaceous Aerosols in PM_ ( 10 ) During Winter and Spring over Xi'an

土壤CO2含量的季节变化及昼夜变化，与土壤中CO2来源和温度等因子变化有关。

The concentration of soil CO2 occurred seasonal variation and day-night variation , which related to the source of CO2 in soil and atmosphere .

幼龄山羊腺垂体分泌TSH活动的季节和昼夜变化

The Season and Day-night Variations of Adenohypophysis for Secreting TSH in Young Goats

北京灵山草地土壤CO2源汇和排放通量与温度湿度昼夜变化的关系

The diurnal variations of soil CO_2 source , sink and flux in grassland of Lingshan Mts. , Beijing and their relationships with temperature and soil moisture

菠萝叶片PEP羧激酶活性及草酰乙酸与腺苷酸库的昼夜变化

Diurnal Changes of Phosphoenolpyruvate Carboxykinase Activity , Oxalacetate Content and Adenosine Pool in Pineapple Leaves

目的：探讨胃内pH昼夜变化对十二指肠溃疡（duodenalulcer，DU）发病的影响。

Objective To investigate the effect on onset of duodenal ulcer ( DU ) caused by the change of endogastric pH in patients with DU .

本溪水洞洞穴空气CO2浓度与温、湿度的空间分布和昼夜变化特征北京石花洞洞穴滴水中硫酸根浓度的时空变化及其意义

Spatial distribution and diurnal variation in CO_2 concentration , temperature and relative humidity of the cave air & A case study from Water Cave , Benxi , Liaoning , China

心电图可见异位P波，房率115～250次／分，昼夜变化差46～132次／分。

Ectopic P wave was observed in ECG , and atrial rate was from 115 ~ 250 per minute . The difference of atrial rate between day time and night time was 46 ~ 132 per minute .

血管迷走神经性晕厥儿童患者QTc离散度的昼夜变化

Circadian variation of QTc dispersion in children with vasovagal syncope

而老年人的JT间期延长，昼夜变化也减小。

Age also could affect the JT interval .

冠心病人和老年人JT间期等较长，昼夜变化较小。

In the old patients , the JT intervals were long , and rhythm decreased .

目的探讨生长发育期大鼠下颌髁突软骨中有无骨钙素mRNA的表达及其昼夜变化的规律。

Objective To study the temporal and spatial patterns of the expression of mRNA in condylar cartilage of young growing SD rats , in condition of different functional treatment time span .

结果人视交叉上核加压素mRNA表达呈现明显的昼夜变化，白天加压素mRNA表达水平比夜间高40%。

Results The amount of vasopressin mRNA in the SCN fluctuated significantly over the 24 hour period . The amount of vasopressin mRNA was 40 % higher during the daytime than during the nighttime .

昼夜变化；Cmax昼夜无差别。

Diurnal variation ; Cmax does not change during the day and night .

上述结果表明，Pib基因启动子受黑暗、温度和昼夜变化等环境因素的调控。

Our findings suggested that the promoter of pib gene was regulated by different environmental factors .

因此认为MR在中枢神经系统中具有双重角色，在海马MR调节皮质醇昼夜变化的基础水平，而在下丘脑中只影响盐皮质激素对盐离子吸收和调节血压。

Therefore it considers that MR in the central nervous system has a dual role in the hippocampus , MR in the hypothalamus regulate cortisol circadian changes in the basis of level , but it only affects on the salt ion absorption and regulation of blood pressure .

采用RIA法，测定7只性成熟雌性蓝孔雀16个每3h采集血浆样品中的17β-E2水平，用以研究其昼夜变化节律。

Values of 17 β - E2 of the plasma of 7 blue peacocks were measured by RIA , and the 16 plasma specimens were taken out per 3 h during two days .

昼夜变化趋势也相似：N2O排放通量的最大值都出现在18∶00，最小值都出现在12∶00和14∶00。

The diurnal variation was also similar : The maxima of the two plots both occurred at 18 O'clock , and the minima appeared at 12 O'clock and 14 O ′, clock .

目的：研究OSAS患者HRV昼夜变化，探讨应用HRV分析筛选OSAS的效能。

Objective : The study was to investigate daytime and nighttime variation of heart rate variability ( HRV ) in patients with obstructive sleep apnea syndrome ( OSAS ) and evaluate the screening capacity of HRV .

对厦门市冬季不同功能区大气PM2.5中多环芳烃（PAHs）的昼夜变化特征进行分析。

21 and 6 hours PM_ ( 2.5 ) samples were collected and analyzed for 16 priority polycyclic aromatic hydrocarbons ( PAHs ) from 5 different function zones in Xiamen in December 2004 to characterize their diurnal change .

结果与硝苯吡啶组比较，硝苯吡啶控释片降压效果更明显，不干扰HRV昼夜变化节律，两组患者治疗前后血糖、血脂无明显变化。

Results Compared to the nifedipine group , the reduction of blood pressure was more significant in control releasing nifedipine group without interfering the HRV day and night rhythm , bolld lipid , blood glucose and renal function had no obvious changes in both groups .