经差

jīng chā
  • difference of longitude
经差经差
经差[jīng chā]
  1. 墨卡托海图上经差1°的等纬圈弧长

    The Length for 1 ° Difference of Longitude in Parallel of Latitude on Mercator Chart

  2. 随后经差热分析和测定介质中的pH变化等更进一步证明腐殖酸锗络合物的存在。

    Afterward , through differential thermal analysis and measurement of pH variation of media , it futher proves the presence of humic germanium complex .

  3. 通过48h暴露,以标准水为对照,研究了经差分滤除以后,大型蚤在一定农药浓度下的相对行为变化,进一步说明生物行为生态学变化在水体生物监测中的指示作用。

    In this paper , the 48 hours behavioral changes of Daphnia magna exposure to three typical pesticides were studied . After the difference-filtration with the control of Standard Reference Water ( SRW ), there would be comparable behavioral changes under organic pesticides stress .

  4. 尿囊液毒穴36~48h雪经差速离心和不连续蔗糖密度梯度离心纯化,在电镜下能观察到典型的冠状病毒形态,病毒粒子直径为80~120nm,有囊膜、纤突。

    The allantoic fluid ( between 36 ~ 48 hours ) was purified by difference speed centrifugation and discontinous centrifugation on sucrose gradients . The spherical virus in 80 ~ 120nm diameter and with a surface covered by spike like corona were observed under electron microscope .

  5. 产品提纯后,经差示扫描量热计分析,其熔点为145.75℃。

    By analysis with DSC , the melting point of purified product is 145.75 ℃ .

  6. 关于航迹计算中分纬度求经差法的研究

    A study to improve middle latitude sailing

  7. 川滇地区地震时的月日赤纬及黄经差特征比较

    A Comparison of the Characteristics of Co-seismic Lunar-solar Declination and Ecliptic-longitude Difference between Yunnan and Sichuan

  8. 经差分全波傅氏算法求出的基波幅值最接近于实际值。

    And the signal fundamental amplitude calculated by the difference Fourier algorithm is close to the real value .

  9. 结果:视力残疾儿童触错觉略高于普通儿童,经差异性显著检验,两类儿童的触错觉没有显著性差异。

    The findings indicate that the tactile illusion of visually disabled children is slightly higher than those of ordinary children .

  10. 方法:用胶体磨法与搅拌法包合,并经差热、GC/MS分析。

    METHODS : Colloidal mill and mixer were adopted , and analysis was on use of DSC and GC / MS.

  11. 经差热分析法进行鉴定,证明对乙酰氨基酸与β-环糊精(β-CD)确已形成包合物。

    The inclusion complex had been formed truly from acetaminophen - β - CD , identified by the differential scanning calormetric method .

  12. 我国基本比例尺地形图是以国际百万分之一地图分幅为基础,按一定的经差和纬差划分图幅。

    Basic scale topographic map is bases on one of million international map subdivision and divided by Longitude difference and Latitude difference .

  13. 病毒经差速离心法纯化后,四次免疫8周龄Balb/c雌性小鼠。

    The 8-week-old female Balb / c mice were immunized with the allantoic fluid , which was purified and concentrated by differential centrifugation .

  14. 他用其中一个仪器测量两个天体的赤经差,用另一个仪器测北极与某颗星的角距离。

    he used one of these to measure the difference in right ascension between two celestial bodies and another one to find the angular distance from the celestial north pole to a given star .

  15. 方法:采用I型胶原酶和胰蛋白酶两步消化法分离大鼠骨骼肌卫星细胞,经差速贴壁法纯化后,在培养液中进行培养,观察不同血清浓度下,卫星细胞生长融合的情况。

    Methods : By two step method , the rat muscle was digested with type I collagen and trypsin and the isolated cell suspension was purified by different adhesion time . Then the satellite cells were culture in different serum concentration in vitro .

  16. 经CO差示光谱分析测定,该蛋白具有生物活性。

    The biological activity of the expressed VHb was demonstrated by CO difference spectrum analysis .

  17. 由于南海SST冬季较低,冬季(北半球)SST的经向差最大值(大于2℃)出现在110°E附近;

    Because of the lower SST in the South China Sea , the maximum longitudinal difference ( larger than 2 ℃ ) appears around 10 ° E during boreal winter .

  18. 【结果】两种方法均能分离培养获得肌卫星细胞,经测定差速贴壁法所得细胞纯度为30-40%,Percoll非连续密度梯度离心法所得细胞纯度在90%以上。

    [ Results ] Over 90 % satellite cells were harvested by incontinuous density Percoll gradient centrifugation technique , in contrast to which , only 30-40 % cells were harvested by different adhesion time .

  19. 北太平洋海温距平经向差对付热带高压影响的若干事实

    Some facts about the effect of the meridional difference of sea surface temperature anomaly of North Pacific on the subtropical high

  20. 详细介绍了1996年11月9日南黄海61级地震前,巢湖地下水动态观测网中3口水井所记录到的水位经标准差、剩余值数据处理得到的前兆异常。

    The precursory anomaly of the south Yellow Sea of M S 6.1 on Nov.9 , 1996 has been obtained using three well table record of groundwater dynamic observation network in Chao Lake through statistic processing .

  21. 以猪脑为材料,经匀浆、差速离心、蔗糖密度梯度离心分离突触体.Percoll密度梯度离心分离牛精子初探

    Synaptosomes were isolated from pig brain by homogenization , differential centrifugation and sucrose gradient centrifugation . Study on Bull Sperm Separation by Percoll Density with Centrifuge

  22. 运用ADF检验方法对BDI的对数序列进行平稳性和单整检验,结果证明BDI对数序列是一个非平稳过程,经一阶差分后是平稳过程,即BDI对数序列是一阶单整过程;

    Using augmented Dickey-Fuller test , the result shows that BDI logarithm series is nonstationary but the first difference is stationary , i. e. it is integrated of order one .

  23. 方法:原代培养新生SD大鼠大脑皮质混合胶质细胞,经振荡和差速消化纯化培养1型星形胶质细胞(T1A)和2型星形胶质细胞(T2A);

    Methods : Primary mixed glial cells were prepared from newborn rat cerebrum cortex , from which purified type 1 and type 2 astrocytes were obtained through shaking and differential trypsinization .

  24. 模型经后验差检验显示有很好的精度。

    The posterior error reification showed that the model had very good precision .

  25. 但总的来说,我国商业银行整体还较为落后,如经营业绩差和市场配置效率低下等。

    However , the commercial banks of our country is far behind those of developed countries on the whole in many aspects such as operation performance and market distribution efficiency .

  26. 证明了文献[1]提出的用经球气差改正的天顶距计算平距方法的正确性,并就文献[1]的改进与完善提出了有益的建议。

    The method for calculating horizontal distance using zenith distance corrected by earth curvature and atmospheric refraction in article [ 1 ] is proved rightly , and some suggestions to perfect article [ 1 ] are also given .

  27. 第一循环有23名病患、第二循环有21名病患评估经上皮鼻电位差;

    Transepithelial nasal PD was assessed in23 patients in the first cycle and in21 patients in the second cycle .

  28. 结果与结论维库溴铵的结构经红外光谱、差热分析、核磁共振谱、质谱确证,总收率为13.7%。

    Results and conclusion The structure of vecuronium bromide was elucidated by IR , DSC , ~ 1H-NMR ,() ~ ( 13 ) C-NMR and MS , the overall yield is 13.7 % .