废旧轮胎热解技术

成果简介 废旧轮胎热解工艺简单、操作方便，所得产品属于急需而短缺的能源及化工原材料。该法较其他方法处理量大，适用范围广，产品品种多，废轮胎减容量大，热解过程所需能源可以自给。废旧轮胎热解处理具有明显的环境效益及可观的经济效益。     

表面多孔涂层管强化传热技术研究

设计了以烧结法制备铜表面多孔层的工艺过程，并以丙酮作为介质，测试了所制备的多孔表面强化管的传热性能．结果表明，表面多孔管显著地强化了沸腾给热．以０．０７４～０．０４６ｍｍ紫铜粉和Ｒ粉的复合粉烧结多孔管为例，当热通量为２．００×１０４～６．８５×１０４ｋＪ／（ｍ２·ｈ），沸腾给热系数可达２．２３×１０４～５．２８×１０４ｋＪ／（ｍ２·ｈ·℃），比普通光滑管提高８～２４倍；总传热系数可达３８００～６２３６ｋＪ／（ｍ２·ｈ·℃），比普通光滑管提高０．７～６倍     

废旧轮胎的热解技术研究进展

热解技术为废旧轮胎资源化应用开辟了一条新的途径,本文就近年来国内外废旧轮胎热解技术的研究进展进行了介绍,并着重综述了废轮胎热解过程参数控制,如热解温度、催化剂、热解气氛和压力以及反应介质、以及热解动力学模型和热解机理等方面的研究进展,同时对废旧轮胎热解处理及资源化研究前景进行了展望。     

群J8,k2,…,kl(k2≥12)的决定

决定了群Ｊ８,１２,ｋ３,…,ｋｌ（ｋ３≥１４）,Ｊ８,１４,ｋ３,…,ｋｌ（ｋ３≥１６）（ｋｉ为偶数）．     

Drazin逆的子式

给出了Ａ 的Ｄｒａｚｉｎ 逆的子式表示,对Ａ∈Ｒｎ×ｎ,Ｉｎｄ（Ａ）＝ ｋ,且ｒａｎｋ（Ａｋ）＝ ｒｋ, 则Ａ的Ｄｒａｚｉｎ 逆Ａｄ 的子式为：ｄｅｔＡｄ［β,α］ ＝ ν－ ２ ∑ω ∑（Ｉ,Ｊ）∈Ｎ（ω,β）ｄｅｔ（Ａｋ）ＪＩｄｅｔＡｋ－ １［ω,α］ ｜（Ａｋ）ωβ｜｜（Ａｋ）ＩＪ｜,这里α,β,ω∈Ｑｈ,ｎ, Ｉ,Ｊ∈Ｑｒｋ,ｎ, １≤ｈ≤ｒｋ, 且ν＝ ∑Ｊ∈Ｊ（Ａｋ）ｄｅｔ（Ａｋ）ＪＪ． 利用上述公式,不必先计算出Ａｄ,就可直接计算Ａｄ 的子式     

量子化学在合成CLT酸中的应用（Ⅲ）——产物异构体和C．I．颜料红53的AM1计算

用ＡＭ１法全优化计算了ＣＬＴ酸和它的２９种异构体的分子几何和电子结构，首次给出了它们的稳定性理论排序，在各异构体中，氨基和磺酸基处于邻位、对位时，分子总能量较低；ＣＬＴ酸的分子总能量最低，故在所有异构体中最稳定；Ｃ．Ｉ．颜料红５３的２种异构体的ＡＭ１计算表明，当羟基与磺酸基处于分子同侧时较稳定，２种构型的能量差为６．０８ｋＪ／ｍｏｌ，２种构型转换所需的位垒分别为２２．９０ｋＪ／ｍｏｌ和１６．８２ｋＪ／ｍｏｌ，并给出了２种构型彼此转换的位能曲线     

聚氯乙烯抽纱台布热分解及耐热寿命研究

该文应用热重法（ＴＧ）和微分热重法（ＤＴＧ）研究了聚氯乙烯（ＰＶＣ）抽纱加香台布热分解反应。ＴＧ曲线表明热分解过程分三步完成。表观活化能计算结果分别为Ｅ１＝８４．３０ｋＪ·ｍｏｌ（－１）；Ｅ２＝１３９．５６ｋＪ·ｍｏｌ（－１）；Ｅ３＝３０５．２０ｋＪ·ｍｏｌ（－１）。热寿命议程为。用热分析技术求解高分子材料动力学参数甚为方便，可在短时间内取得有价值的资料，是研究高聚物热稳定性的有效实验手段．     

含NO2分子热解自由基机理的UHF—AM1研究（Ⅱ）—硝酸甲酯

该文是用非限制性Ｈａｒｔｒｅｅ－Ｆｏｃｋ自洽场分子轨道方法化合物热解（生成双自由基）机理的第２报。通过ＡＭ１计算求得反应ＣＨ３ＯＮＯ２→ＣＨ３Ｏ·＋·ＮＯ２的过滤态，给出了合理的热解位能曲线。经零点能校正计算得活化能为８１．４２２ｋＪ·ｍｏｌ＾－１，得到以往用限制性Ｈａｒｔｒｅｅ－Ｆｏｃｋ计算不能求得的自由基反应的过渡态和活化能。     

放牧压力下高寒草甸夏秋草场潜在生产力的研究

采用最优控制理论研究矮嵩草草甸能量动态分室模型的潜在生产力，通过放牧强度随时间的最优变化，使作为目标函数的累积采食量最大。结果指出：夏秋的高寒草甸在常放牧压力下，采食地上生活部分的最优放牧强度为２５．９０ｋＪ／（ｍ２ｄ），其最大累积采食量为３．２６８ＭＪ／ｍ２。采食地上生物量的最优放牧强度为２５．９４ｋＪ／（ｍ２ｄ），其最大累积采食量为３．６３１ＭＪ／ｍ２。在变放牧压力下，最优放牧强度的最大累积采食量为８．７４９ＭＪ／ｍ２。是常放牧压力下的２．５倍。     

一类非线性差分方程解的极限问题

研究了形如Ｅｘ（ｋ）＝Ａｘ（ｋ）＋ｆ（ｋ，Ｘ（ｋ））的非线性差分方程解的极限性质．Ｅｘ（ｋ）＝ｘ（ｋ＋１）．Ａ是ｎ×ｎ（ｎ≥２）阶常数矩阵．ｘ（ｋ）∈Ｒｎ．ｆ：Ｊ×Ｇ→Ｒｎ，Ｊ＝｛ｊ０＋ｋ｜ｋ＝１，２，…．ｊ０∈Ｒ｝，Ｇ．Ｒｎ．ｆ满足对任一紧集中的ｘ（ｋ）一致有ｆ（ｋ，ｘ（ｋ））→０，当ｋ→∞．利用差分不等式及比较原理得到：当Ａ的谱半径小于１时，方程的有界解均趋于零解．当Ａ的话半径大于１时，方程有无界解．并研究了所有解均趋于零解的充分条件．     

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.     

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.     

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.     

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.     

A computer generator for randomly layered structures

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

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.