Mo对Fe－Cu－Nb－Si－B合金磁性的影响

用Ｍｏ部分替代Ｆｅ－Ｃｕ－Ｎｂ－Ｓｉ－Ｂ合金中的Ｎｂ而制备的Ｆｅ（７３）Ｃｕ１Ｎｂ（１．５）Ｍｏ２Ｓｉ（１２．５）Ｂ（１０）非晶合金，在５００—６２０℃的温度范围内进行了等温退火处理．对退火后样品进行了磁性、微结构及物相研究，表明在５３０℃左右退火后具有最佳软磁性能．当退火温度大于６００℃时，有Ｍｏ２ＦｅＢ２及其它化合物析出从而使合金软磁性恶化．Ｍｏ与Ｎｂ一样有抑制晶粒生长，细化晶粒之作用．     

Mo对Fe—Cu—Nb—Si—B合金磁性的影响

用Ｍｏ部分替代Ｆｅ－Ｃｕ－Ｎｂ－Ｓｉ－Ｂ合金中的Ｎｂ而制备的Ｆｅ７３Ｃｕ１Ｎｂ１．５Ｍｏ２Ｓｉ１２．５Ｂ１０非晶合金，在５００－６２０℃的温度范围内进行了等温退火处理。对退火后样品进行了磁性、微结构及物相研究，表明在５３０℃左右退火后具有最佳软磁性能。当退火温度大于６００℃时，有Ｍｏ２ＦｅＢ２及其它化合物析出从而使合金软磁性恶化。Ｍｏ与Ｎｂ一样有抑制晶粒生长，细化晶粒之作用。     

（Nd,Dy）—（Fe,Co,Tm）—B稀土永磁体的磁性能与显微组织（Tm=A…

研究了含钴ＮｄＦｅＢ系列稀土永磁体的磁性能与显微组织，Ｃｏ加入到三元ＮｄＦｅＢ磁体中显著提高磁体的居里温度Ｔｃ，因而大大改善了可逆温度系数α（Ｂｒ）。对实验数据的计算机拟合表明二者间符合指数函数关系，且在单体数坐标中表现为两阶段曲线，在多组元ＮｄＦｅＢ合金系列中，Ａｌ是提高含Ｃｏ磁体矫顽力最有效的元素，其次是Ｍｏ，而Ｎｂ和Ｖ则不能改善Ｃｏ对矫顽力的有害影响，高Ｃｏ磁体中，Ａｌ恶化α（Ｂｒ）的作用已     

（Nd，Dy）－（Fe，Co，Tm）－B稀土永磁体的磁性能与显微组织（Tm＝Al，Nb，Mo，V）

研究了含钴ＮｄＦｅＢ系列稀土永磁体的磁性能与显微组织，Ｃｏ加入到三元ＮｄＦｅＢ磁体中显著提高磁体的居里温度Ｔｃ，因而大大改善了可逆温度系数α（Ｂｒ）．对实验数据的计算机拟合表明二者间符合指数函数关系，且在单对数坐标中表现为两阶段曲线．在多组元ＮｄＦｅＢ合金系列中，Ａｌ是提高含Ｃｏ磁体矫顽力最有效的元素，其次是Ｍｏ，而Ｎｂ和Ｖ则不能改善Ｃｏ对矫顽力的有害影响．高Ｃｏ磁体中，Ａｌ恶化α（Ｂｒ）的作用已非主要，这是由于Ｃｏ提高Ｔｃ的作用大于Ａｌ对Ｔｃ的降低作用，但含Ａｌ磁体的β（ｆＨＣ）较大，导致ｆＨｃ随温度上升而迅速下降．含Ｎｂ、Ｍｏ、Ｖ磁体的β（ｆＨｃ）则显著优于含Ａｌ磁体．     

不同Nb,Mo含量的Fe基微晶软磁合金磁性能的频谱特性

利用无磁场、纵向磁场和横向磁场３种热处理方式，制力求４种不同Ｎｂ、Ｍｏ含量的Ｆｅ７４．５Ｃｕ１Ｍ３Ｓｉ１２．５Ｂ９．５（Ｍ为Ｎｂ、Ｍｏ原子质量百分数之和）纳米晶试样，分别测量试样的复值磁导率｜μ｜Ｏ．３，矫顽力｜Ｈｃ｜和铁芯损耗Ｐｃｏ．２，分析试样的频谱特性和成分的影响．结果表明，不含Ｍｏ的Ｆｅ７４．５Ｃｕ１Ｎｂ３Ｓｉ１２．５Ｂ９．５合金的｜μ｜０．３随频率增加而下降的趋势最小，需含Ｍｏ的Ｆｅ７４．５Ｃｕ１Ｎｂ２Ｍｏ１Ｓｉ１２．５Ｂ９．５合金的｜μ｜Ｏ．３值最大，且｜Ｈ｜和Ｐｃｏ．２的值最小．在３种磁场热处理中，无磁场热处理后的试样的｜μ｜０．３最大，且｜Ｈｃ｜和Ｐｃｏ．２的值最小；而纵向磁场热处理后的试样的｜μ｜０３最小，且｜Ｈｃ｜和Ｐｃ０２的值最大     

非晶态合金的自旋波激发与结构涨落及超精细场分布

本文研究了非晶态（ａ）－Ｆｅ－ＴＭ－Ｓｉ－Ｂ（ＴＭ＝Ｃｏ，Ｓｉ，Ｍｏ，Ｎｂ）合金从１．５Ｋ到３００Ｋ的磁化强度及室温穆斯堡尔谱，得到了成里温度Ｔｃ、饱和磁化强度σｓ（０）、自旋波颈度常数Ｄ及平均超精细场等。结果表明，（ａ）对于Ｆｅ８３Ｓｉ５Ｂ１２，当Ｎｂ，Ｍｏ与Ｓｉ，Ｃｏ取代Ｆｅ后，Ｆｅ－（Ｎｂ，Ｍｏ）－Ｓｉ－Ｂ的磁性质不同于Ｆｅ－（Ｓｉ，Ｃｏ）－Ｓｉ－Ｂ；（ｂ）ａ－Ｆｅ－（Ｍｏ，Ｎｂ，Ｃｒ，Ｗ，     

硫钝化对Fe、Co/GaAs(100)界面形成和磁性质的影响

利用同步辐射和铁磁共振研究了经硫代乙酰胺硫钝化处理的ＧａＡｓ（１００）表面生长的Ｆｅ，Ｃｏ超薄膜与衬底的界面形成及磁性。实验结果表明，硫钝化能阻止Ａｓ向Ｆｅ，Ｃｏ超薄膜扩散，减弱Ａｓ和Ｆｅ，Ｃｏ的相互作用并增强在ＧａＡｓ（１００）表面生长的铁磁金属薄膜的磁性。     

静高压在多层Al／Fe—Mo—Si—B纳米合金复合材料…

在３￣５．５ＧＰａ的压力范围内，经过８７３Ｋ，３０ｍｉｎｈ等温热处理由非（Ｆｅ０．９９Ｍｏ０．０１）７８Ｓｉ９Ｂ１３（ＦＭＳＢ）条带和纯金属Ａｌ片交替叠成的样品，制备出多层Ａｌ／Ｆｅ－Ｍｏ－Ｓｉ－Ｂ纳米合金复合材料。研究了静高压在复合材料制备中影响非晶ＦＭＳＢ合金晶化相，Ｆｅ－Ｍｏ－Ｓｉ－Ｂ纳米合金晶粒度和Ａｌ／Ｆｅ－Ｍｏ－Ｓｉ－Ｂ复合材料界面相的规律及机制。     

Nb对Fe3Al基合金力学性能的改善作用

Ｎｂ对改善Ｆｅ２Ａｌ的高温力学性能有十分重要的作用。在Ｆｅ－２８Ａｌ－５Ｃｒ－０．５Ｍｏ－０．０５Ｚｒ－０．０５Ｂ－０．１Ｃｅ合金中，Ｎｂ的溶解度在０．５ａｔ％左右，Ｎｂ含量超过０．５％时，基体中有富Ｎｂ的第二相颗粒形成。Ｎｂ的加入提高了合金的室温和高温强度，改善了抗蠕变性能，但在一定程度上降低了室温塑性。     

FeCo合金的形变织构

研究了有序Ｂ２和无序Ａ２两种不同结构状态的ＦｅＣｏ合金在冷轧变形过程中形变织物的特点。Ｂ２结构ＦｅＣＯ合金的轧制织构有别于Ａ２结构ＦｅＣｏ合金，讨论了形变行为和结构状态对金属间化材料形变机制的影响。     

Markedness and its Interpretation in Language Use

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.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Features of Women's language

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.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

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.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

低渗透非均质砂岩油藏启动压力梯度研究

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。     

Quantitative trait loci （QTLs） for quality traits related to protein and starch in wheat

Quality traits in wheat （Triticum aestirum L.） were studied by quantitative trait locus （QTL） analysis in a recombinant inbred line （RIL） population, a set of 131 lines derived from Chuan 35050 × Shannong 483 cross （ChSh）. Grains from RILs were assayed for 21 quality traits related to protein and starch. A total of 35 putative QTLs for 19 traits with a single QTL explaining 7.99-40.52% of phenotypic variations were detected on 10 chromosomes, 1D, 2A, 2D, 3B, 3D, 5A, 6A, 6B, 6D, and 7B. The additive effects of 30 QTLs were positive, contributed by Chuan 35050, the remaining 5 QTLs were negative with the additive effect contributed by Shannong 483. For protein traits, 15 QTLs were obtained and most of them were located on chromosomes 1 D, 3B and 6D, while 20 QTLs for starch traits were detected and most of them were located on chromosomes 3D, 6B and 7B. Only 7 QTLs for protein and starch traits were co-located in three regions on chromosomes 1D, 2A and 2D. These protein and starch trait QTLs showed a distinct distribution pattern in certain regions and chromosomes. Twenty-two QTLs were clustered in 6 regions of 5 chromosomes. Two QTL clusters for protein traits were located on chromosomes 1D and 3B, respectively, three clusters for starch traits on chromosomes 3D, 6B and 7B, and one cluster including protein and starch traits on chromosome 1D.     

On Tragic Consciousness In The Works By Ernest Hemingway

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.