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1.
健康人C3/Ig双特异性免疫复合物与体液免疫的相关性   总被引:2,自引:2,他引:0  
采用直线相关分析法,较系统地研究了健康人 C3/ Ig 双特异性循环免疫复合物( C3/ Ig M  T C I C、 C3/ Ig G T C I C 和 C3/ Ig A T C I C)与 Ig M 、 Ig G、 Ig A 和 C3 的相关性.结果发现, C3/ Ig M  T C I C 和 C3/ Ig G T C I C 含量主要取决于血清总 Ig M 和 Ig G 量; C3/ Ig G T C I C 与复合的 Ig M 、复合的 Ig G、总的 C3 呈正相关,而与复合的 C3 呈负相关.这些结果提示, Ig G 在健康人体液免疫中的重要作用.同时说明,健康人机体免疫反应是复杂多样的,深入研究 C3/ Ig T C I C 与体液免疫的相关性及其形成机理,将为揭示健康人的体液免疫机制提供重要参考.  相似文献   

2.
为探讨ACA对CHD的临床意义,分别用ELISA和免疫比浊法对34例住院心病和148名健康体检人员的ACA-IgG,ACA-IgM,ACA-IgA和TC,TG,HDL进行了检测。结果CHD组与正常组比较HDL,TC,TG均具显著统计学差异;3类ACA水平与正常组无明显差异,但ACA-IgG的消长与血清TG呈正相关;冠心病组的ACA-IgG阳性检出经也明显高于正常组,提示血清ACA可能通过影响脂代谢  相似文献   

3.
富里酸氯化-消毒副产物生成的影响因子   总被引:6,自引:0,他引:6  
3-氯-4-(二氯甲基)-5-羟基-2(5H)-呋喃酮(MX)及二氯乙酸(DCA)和三氯乙酸(TCA)是氯化消毒副产物(DBPs)研究的重点。水体中的腐殖质,特别是富里酸,是饮用水消毒副产物的重点前驱物。从太湖底泥中提取富里酸,进行模拟氯化,用GC/MS测定生成的MX和氯代酸,研究氯化条件对MX、DCA及TCA生成量的影响。结果发现,MX、DCA、TCA的生成量与总有机碳(TOC)浓度呈正性相关;  相似文献   

4.
检测121例各型肝炎患者红细胞免疫功能,以及大部分患者的体液免疫功能指标,并探讨两者间的相关性。结果显示:(1)各型肝炎患者及慢性乙肝病毒携带者RBCC3bRR均明显低于正常人。急性肝炎急性期和中-重度慢性肝炎患者RBC-ICR均明显高于正常人。中-重度慢性肝炎患者RBCC3bRR明显低于轻度患者,前者RBC-ICR明显高于后者;急性肝炎恢复期患者RBCC3bRR明显高于急性期患者,前者的RBC-ICR却明显低于后者;(2)急性和慢性肝炎患者血清CIC水平均明显升高,急性肝炎恢复期患者血清CIC水平较急性期降低。慢性肝炎患者血清IgM、IgG、IgA水平均有不同程度的升高。中-重度慢性肝炎患者血清C3、C4水平均明显下降;(3)急性肝炎急性期和恢复期患者RBCC3bRR与血清CIC水平均呈负相关,而他们的RBC-ICR与之呈正相关。中-重度慢性肝炎患者RBCC3bRR与血清CIC水平呈负相关,与血清C3、C4水平呈正相关。相反,其RBC-ICR与血清CIC水平呈正相关,与C3、C4水平呈负相关。故临床上动态观察肝炎患者的红细胞免疫功能变化,有助于评估病情转归和病变程度。  相似文献   

5.
PLC控制双效溴化锂吸收式制冷装置能量自动调节ONENERGYAUTOMATICREGULATIONOFDOUBLE-EFFECTLITHIUMBROMIDEREFRIGERATINGMACHINEBYMEANSOFPROGRAMMABLELOGIC...  相似文献   

6.
IgM类HBsAg免疫复合物与乙肝肝损害关系初探   总被引:4,自引:0,他引:4  
李思光  彭宣宪 《江西科学》1997,15(3):154-157
对六类不同临床病型236例乙3肝患者的IgM类HBsAg循环免疫复合物(HBsAg/IgM-CIC)阳性率与ALT和肝损害严重性之间的相互关系进行了探讨。结果发现,其阳性率与肝损害严重程度呈正相关,与ALT的关系则取决于临床类型。提示免疫复合物的肝损作用具有临床类型相关性的异质性。  相似文献   

7.
NEWENERGY-SAVINGCEMENT-IRON-RICHFLUORALUMINATECEMENTHuang;WenxiChengduDesign&ResearchInstituteofBuildingMaterialsIndustryQian...  相似文献   

8.
ELECTRONICANDMAGNETICPROPERTIESOFLa0.7-xPrxSr0.3MnO3*GuoZaibingZhangNingDingWeipingZhangJianrongDuYouwei(NationalLaboratoryo...  相似文献   

9.
以NHS-MAG3为双功能连剂,采用先记后偶联的方法,研究了用^99mTc标记单克隆抗体的各种实验条件,得到了最佳标记方法和偶联方法。标记抗体^99mTc-NHS-MAG3-IgG体外稳定性良好,进行了^99mTc-NHS-MAG3-CL3在小鼠体内的生物分布测定。结果表明,该配合物在小鼠体内稳定性良好,在胃、肠、心中摄最低,在肾,肝中摄取最高。  相似文献   

10.
QWF-1型汽车尾气分析仪配装自动记录仪的研制DEVELOPMENTONTHEATTACHEDAUTOMATICRECORDDIALOFMODELQWF-1AUTOTAIL-GASANALYSISAPPARATUSLiLiangerChenJianb...  相似文献   

11.
Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.  相似文献   

12.
The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3~4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰~ -7.8‰, PDB) and matrix dolomites (-6.6‰~ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084~0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078~0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.  相似文献   

13.
何延凌 《科技信息》2008,(4):258-258
Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women's language from these perspectives: pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women's language, more attention should be paid to language use in social context. What's more, the linguistic phenomena in a speaking community can be understood more thoroughly.  相似文献   

14.
AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…  相似文献   

15.
理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。  相似文献   

16.
As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.  相似文献   

17.
本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。  相似文献   

18.
There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.  相似文献   

19.
20.
The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to  相似文献   

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