FDI影响我国经济安全的机理分析与评价

在我国进一步扩大对外开放的过程中,在积极引进利用 fdI(外商直接投资)的同时,必须高度重视维护国家经济安全。fdI的利用对我国国际收支安全状况、对我国的货币供给和货币政策的运用、对我国部分产业和市场、对我国技术发展和地区经济的平衡发展等方面形成一定的制约性影响,因此我们应考虑有个两全其美的对策,我国既要扩大利用fdI的规模,又要保证国家经济安全,使fdI的利用在促进我国经济发展的同时,也有利于我国的经济安全

Sb-Se系和Ge-Sb-Te系相变光盘记录介质微观结构及光学性能研究

利用X射线衍射仪 ,分光光度计对Sb Se系和Ge Sb Te系相变光盘记录介质材料非晶态薄膜相变前后结构的变化 ,光学性能进行了系统的研究 ,X射线衍射分析表明 :SbSe非晶态薄膜退火后有Sb的析晶峰 ,SbSe2 有Se的析晶峰 ,符合化学计量比的Sb2 Se3 全部是Sb2 Se3 的共晶峰 .GeSb2 Te4 非晶态薄膜在热退火过仇逐首先形成fcc亚稳相 ,升高退火温度 ,Fcc相转变为稳定的hex相 ,GeSb4 Te4 非晶态薄膜退火后在发生上述变化的同时 ,还有Sb的析晶峰 .分光光度计测试表明 :Sb Se系非晶态的光稳定性很不理想 ,随着波长的改变 ,反射率变化太快 .对于Ge Sb Te系合金 ,在各种波段处 ,两种合金都有较大的反衬度 ,其非晶态的光稳定性也较理想 ,随着波长的改变 ,反射率变化不

基于图像区域分割方法的舌质与舌苔识别

舌象的图像识别是舌象信息计算机诊断的主要内容之一。实现舌质、舌苔的区域识别是舌诊计算机识别过程中的重要步骤,也是后期舌体和舌苔颜色识别和纹理特征分析的重要前提。应用彩色图 像区域分割方法,根据舌象颜色的区域特征,采用分裂- 合并算法、色度阈值法对舌象进行了区域划分,建 立舌质、舌苔的区域分割方法,实现舌质与舌苔的分割。实验结果显示,分裂- 合并算法、色度阈值法具有 良好的分割效果。国家高技术研究发展计划(“863”计划)基金资 助项目( 2008AA02Z407 ) ; 国家自然科学基金资助项目(30873463, 30300443 ) ; 上海市重点学科建设资助项目( S30302

Predictive Study of Bubble Mean Diameter in Subcooled Flow Boiling

通道内截面汽泡平均直径是计算两相流相间界面传递方程以及计算汽液相界面浓度的重要参数。综合考虑过冷沸腾工况下汽泡动力学、两相热力学以及汽泡聚合效应; 对通道内汽泡尺寸的影响,提出过冷沸腾通道内截面汽泡平均直径预测模型。将该模型与实验数据进行比较,预测值与实验值偏差12.5%。Bubble mean diameter is a key parameter to calculate the interfacial; transfer equation of two phase flow and interfacial concentration.; Taking into account the effects of both the thermal, hydrodynamic; conditions and bubble coalescence rate on the mean bubble size in the; channel, a model has been developed. The proposed model agreed well with; the experimental data within the averaged relative deviation of 12.5%.福建省自然科学基

Research on facial spectrum and color characteristics of five-zang disease status

目的:观察疾病状态人群面色光谱色度情况,为疾病状态五脏病评价提供可供依据。方法:采用日产柯尼卡美能达CM-2600d分光测色仪,观测健康组(183例)、疾病组(370例)额部、眉间部、鼻部、下颏、左右颧部、左右眼胞8处明亮度l、红光度A、黄光度b、饱和度C值及波长段(400~700nM)下的面色反射率值等指标,并据中医理论对疾病状态进行五脏病位分析。结果:疾病组l值显著低于健康组,b、C值均显著高于健康组;疾病组各波长段下反射率显著低于健康状态组(P<0.05)。疾病组除左右眼胞外的6个位点间的l、A、b、C值有显著性差异(P<0.05),不同点位有其特异性的色度变化特征。疾病组五脏病各组光谱色度特征比较有显著差异(P<0.05),结果与中医面部脏腑五色理论在一定程度上相符合。结论:运用光谱色度测定方法,可以作为诊断疾病状态五脏病的重要指标。Objective: To observe disease status facial spectrum and color,providing good quantitative basis for disease assessment.Methods: We gathered the facial color information in health(183) and disease groups(370) including L,a,b,C values and reflection of different wavelengths in 400-700nm with CM-2600D spectral photometric color measuring instrument on 8 points including frontal part,glabellas nose,mandible two cheeks and eye cells and analysized disease status five-zang positioning according to the principle of TCM syndrome differentiation.Results: L value of Disease group was lower than health status group and b,C values were higher than health status group,reflection of different wavelengths of disease group were lower than health group(P<0.05).6 points in disease group between loci L,a,b,C values with varying degrees of significant differences(P<0.05).Different point had its own specificity facial complexion variation characteristics.Facial spectrum and color of each five-zang disease group had significant difference through comparion of facial complexion.To a certain extent the result was consistent with TCM facial organs Five-color theory.Conclusion: There existed diagnostic value in distinguishing five-zang disease status in some degree by spectral photometric color measuring technique.国家科技支撑计划(No.2012BAI37B06);国家高技术研究发展计划(863计划)资助项目(No.2008AA02Z407);国家自然科学基金资助项目(No.30873463;No.81173200);国家自然基金青年项目(No.81102558);上海市重点学科(第三期)建设项目(No.S30302;No.S30303)---

A Medical Image Color Correction Method Based on Supervised Color Constancy

提出了一种室内自然光条件下的医学图像采集分析的“拓扑剖分-还原“(TrM)模型。该模型根据医学图像颜色特征,应用自制的彩色、灰度色标作为校正的监督色,在lAb(l*A*b*均匀色空间,简称lAb)色空间分别对一维l*空间和二维A*b*空间进行“拓扑剖分-影射还原“,并采用分段校正法进行l*值的校正,采用三角形拓扑剖分-重心逼近法进行A*b*值的校正。通过对不同条件下22幅图像的198个色块的校正结果显示,与白平衡校正比较,TrM模型校正后Δl*、ΔC*和ΔE明显降低(P<0.01),校正后图像色差更小,颜色与饱和度值更接近真实值。TrM模型校正方法能明显降低自然光条件下医学图像的色差,具有良好的颜色校正效果。This paper presents a medical image acquisition and analysis methodTRM(Topology Resolve-Map) Model-under natural light condition indoors.Firstly,in accordance to medical image color characteristics,a colorful and grayscale color control patch was made fou use as supervised color."Topology Resolve-Map-Restoration" was carried on in LAB color space of the one-dimensional L* space and the two-dimensional a*b* space.Then,L* value was regulated by subsection regulation and a*b* value was regulated by triangulation topological cutting close in on center of gravity method.After correction of the 198 color blocks in 22 pictures,the results showed that,by comparison with the standard value,the ΔL*,ΔC* and ΔE decreased significantly(P<0.01) after correction by TRM.After correction,the difference in image's color is reduced,the color saturation is improved and the value is closer to true value.TRM model can significantly reduce the color difference of the medical image under natural light condition;it has a good effect on color correction.国家高技术研究发展计划(863计划)资助(2008AA02Z407);国家自然科学基金资助项目(30873463;30300443);上海市重点学科资助项目(S30302

健康小鼠进食绣球菌对腹腔巨噬细胞分泌肿瘤坏死因子α的影响

测定健康小鼠进食绣球菌对腹腔巨噬细胞分泌肿瘤坏死因子α(TNF-α)的影响.SPF级Balb/C健康小鼠分组进食普通饲料、分别含绣球菌饲料、干品、浸汁饮水或其添加物组合、分别含酵母β-葡聚糖饲料、浸汁饮水或其添加物组合;进食一定时间后,分离腹腔巨噬细胞,使用含质量分数10%胎牛血清的RPMI1640培养液培养,TNF-α试剂盒检测上清液中的TNF-α质量浓度.结果表明,强化进食绣球菌组合(绣球菌饲料+干品+浸汁)的小鼠与对照组或酵母β-葡聚糖组合(酵母β-葡聚糖饲料+浸汁)小鼠相比,体质量不升反降;分离的腹腔巨噬细胞培养6 d,酶联免疫吸附测定技术检测上清液TNF-α,其质量浓度远高于其它两组.研究提示,强化绣球菌进食组合能够提高健康小鼠免疫力,并可能有利于控制体质量.福建省自然科学基金资助项目(2013J01394);;吴阶平医学基金会临床科研项目(320.6750.15231);;空军军医大学国重开放课题(CBSKL201729);;福建省中医药大学校管课题(XB2015077

Literature Research on TCM Syndromes Distribution Characteristics of Menopausal Syndrome

目的研究围绝经综合征的中医证候分布特点,为规范本病的诊断和治疗提供依据。方法检索中国期刊全文数据库、中文科技期刊数据库、中国生物医学文献数据库、中国中医药数据库、万方数据资源系统1991-2011年发表的有关围绝经期综合征文献,进行文献整理分析。结果纳入分析文献191篇。围绝经期综合征常见中医证候有49个,其中肝肾阴虚、肾阳虚、肾阴虚、肾阴阳两虚、心肾不交、肝郁气滞、脾肾阳虚最多见;提取常见症状共65个,包括月经紊乱、头晕耳鸣、失眠、烘热汗出、腰膝酸软、心悸、易怒、纳呆等;病位以肾、心、肝、脾为主;病性以虚为主;脉象以细数、沉细、弦细为主,舌象以舌淡或舌红,苔薄或少苔为主。结论围绝经期综合征的中医证候分布比较集中,本研究为下一步临床科研工作奠定了基础。Objective To analyze TCM syndromes distribution characteristics of menopausal syndrome,provide evidence for further research.Methods The articles related to menopausal syndrome in CNKI Chinese Academic Journal database,Chinese Science and Technology Journal database,China Biological Medicine database,Chinese medicine database,Wanfang database during 1991-2011 were retrieved and analyzed.Results A total of 191 articles were included in the analysis,49 syndromes were found in menopausal syndrome,in which the common syndromes were liver and kidney yin deficiency,kidney yang deficiency,kidney yin deficiency,kidney yin and yang deficiency,heart and kidney deficiency,liver depression,spleen and kidney yang deficiency.We extracted a total of 65 common symptoms,including menstrual disorders,dizziness and tinnitus,insomnia,hot flashes sweeting,waist and knees,palpitations,irritability,poor appetite and so on.The common positions were kidney,heart,liver and spleen.The common disease characteristic was the deficiency-based.The common pulse were fine rapid,sunken fine,string-like fine.The common tongue were pale or red,the tongue fur were mainly moss thin or less moss.Conclusion The menopausal syndrome of TCM syndromes distribution characteristics were more concentrated,and this research laid a foundation for further clinical research work.国家高技术研究发展计划(2008AA02Z407);国家自然科学基金(30873463);上海市重点学科项目(S30302、S30303

Application of Color Calibration Methods for the Tongue-color Images under Nature Indoor Light

目的建立一种室内非直射自然光条件下的医学图像颜色校正分析方法并初步应用。方法根据色彩还原算法结合自制彩色、灰度色标作为校正的监督色标建立TrM颜色校正方法,并对410幅舌色图像进行了校正。结果舌色A*、b*值除淡白舌组外,校正前后各组均有显著性差异(P<0.05),校正后A*、b*值离散度和变异系数较校正前减小。49例典型舌象校正后fISHEr'S分类方法与人工分类比较总体一致率75.5%,一致性检验结果kAPPA值为0.675(P<0.05)。结论不同舌象颜色经拓扑剖分-影射还原法校正后能较好的体现其l*A*b*颜色特征。拓扑剖分-影射还原模型校正方法能明显降低自然光条件下舌色图像的色差,具有良好的颜色校正效果。OBJECTIVE To establish a calibration analysis approach of medical image color under the circumstance of non-direct natural indoor light,and use it.METHODS TRM(Topology Resolve-Map) calibration method was established in accordance with the color reduction algorithm,with self-made color and grey patches being supervision color control patches;it was applied to correct 410 cases of clinical tongue image.RESULTS The before and after calibrated a *,b * values of each group's tongue color were significantly different(P<0.05) except for that of whitish group.Compared with pre-calibration,the dispersion and variation coefficient of post-calibration a*,b* values decreased.The overall consensus rate was 75.5% after using Fisher's classification method and artificial classification method to analyze 49 corrected typical tongue cases,with the Kappa value of consistency test result of 0.675(P<0.05).CONCLUSION The characteristics of L*a*b* in varied tongue colors can be better demonstrated after the calibration with TRM.TRM model approach can significantly reduce the color errors of tongue images under natural indoor light,which demonstrates its good color calibration effect.国家高技术研究发展计划(2008AA02Z407);国家自然科学基金(30873463;30300443

SiO2对Al2O3凝胶纤维相变的影响

以尿素催化 硅 酸 乙 酯 水 解 制 得SiO2溶胶。29SiNMR、27AlNMR、FT-IR、TEM、DTA、XRD和SEM等对SiO2溶胶、Al2O3凝胶纤维化学结构和微观结构研究结果表明,该SiO2溶胶稳定性好,含有大量的单硅酸Si(OH)4,能和Al2O3表面的Al—OH反应生成Al—O—Si键而有效地将其包裹,从而阻止了过渡态Al2O3微晶的相互接触,抑制了α-Al2O3的成核和生长