热稳定的

The test measurements at the roadbed of the Hua Shixia in the National Road 214 (Qinghai-Sichuan Highway), are also introduced to check and compare the distribution and development of the temperature and deformation fields by the numerical analysis, in order to reveal the inhesion mechanism of the thermodynamics in the freezing heaving and thawing of the frozen soil engineering.

本文试图从正冻土的热、质与水分迁移的根本机理上全面描述冻土体的冻胀融沉变形特性与规律，从而将冻土工程当前的以温度为基点的、经验化为主的设计原则与准则向以冻土变形与工程稳定为基点的、科学量化为主的设计理论与设计方法方向迈进一大步。

The results are as follows:① The mean spatial position of the tropical tropopause and the polar tropopause approximately consistent with heating fields of the tropopause, and isopiestic, isotherm present zonality and appear wave motion at the middle and high latitude . The tropopause temperature and pressure are not symmetrical between two hemispheres.② The interannual variations of the tropopause zonal-mean pressure and temperature anomalies are remarkable.

结果表明：①热带对流层顶和极地对流层顶的平均气压场的空间位置和热状况大致吻合，并存在空间波动性，两半球对流层顶的温压场具有显著的非对称性；②对流层顶的纬向气压与温度距平场都具有不同尺度的年际和年代际变化，两极地区对流层顶的温压场最不稳定，两半球中纬度地区的时间演变尺度存在明显差异。

In the investigation of Cu-Zn-Al SMA, the influence of quenching speed, shape memory thermal treatment on SME, microstructure and morphologies was discussed. The changes in morphology and interfaces were in situ metallographic observed during thermal cyclings in order to control the degradation of two way shape memory effect . The stabilization of stress induced martensite variants method and the accordingly changes in microstructure were studied in detail. The mechanism was also compared between SSIM and TWME training method. From the above in situ observation results, the interface structure and especially the twin related A: B type variant pair were examined by HREM to clarify the role of movability of interfaces and the changes in variants orientation in inducing the degradation of the TWME. During developing the Ni-Ti-Hf SMA melt spinning ribbon, it was found the morphology and structure embodied the SME and was directly effected by chemical composition and technique factors, such as the different content of Hf, the speed of copper roller rotation and etc. Therefore, the morphology and structure were extensively examined.

在对Cu-Zn-Al形状记忆合金研究中，研究了提高记忆效应的热处理淬火速度、记忆热处理方式对Cu-Zn-Al形状记忆合金组织结构的影响；为了弄清双程记忆效应衰减的原因，原位动态观察了热循环过程中，合金组织形貌及界面的变化；因形状记忆合金必须经记忆训练才能具有双程记忆效应，系统地研究了应力诱发马氏体稳定化训练方法和这种方法引起的双程记忆合金组织结构的变化，比较了它与双程记忆效应训练方法诱发TWME机制的异同；因在原位动态观察中发现界面可动性及两侧变体取向的变化，伴随着记忆效应的衰减，用HREM详细研究了变体的界面结构，特别是A：B型变体界面结构及变体内部结构。

Several transient compounds were synthesized by the homo- and heterogeneous reactions of reactive halogen compounds, In-situ ultraviolet photoelectron spectroscopy and photoionization mass spectroscopy as well as theoretical calculations were used to study their molecular structures, stability and molecular orbital properties, their electronic structures and geometric structures were obtained for the first time; Simultaneously, the electronic structure and thermal dissociation of acetyl peroxynitrate and trifluoroacetyl peroxynitrate which have great importance in the atmospheric chemistry were studied; The substituent effects of series of halopyridines and halothiophenes were studied by the ultraviolet photoelectron spectroscopy method for the first time. The atmospheric chemical reaction between peroxyacetyl radicals with IO radicals as well as the dissociation of the most stable isomer of CH3COIO3 were calculated by density functional theory, it was found that the CH3COOIO2 isomer may be act as a new reservoir of inorganic iodine in the stratosphere.

通过活性卤素的系列均相与非均相化学反应合成了几种瞬态物种，采用原位紫外光电子能谱和光电离质谱结合量子化学理论计算对化合物的分子结构、稳定性以及分子轨道特性进行了研究，首次获得了这些物种的电子结构和几何结构的信息；同时研究了大气中有重要作用的乙酰过氧硝酸酯和三氟乙酰过氧硝酸酯的电子结构性质及热解过程；采用紫外光电子能谱手段首次研究了系列卤代吡啶和噻吩的取代基效应；通过量子化学理论计算研究了乙酰基过氧自由基与IO自由基的大气化学反应及其最稳定异构体CH3COOIO2的解离，发现该物种可能是无机碘化合物在平流层中的储库物种。

Experimental study of high temperature phase transformation for pyrophyllite

利用场发射扫描电镜表征了Zr-Co粉体的形貌特征和烧结后的陶瓷薄膜结构，热重分析了Zr-Co粉体烧结过程的失重和相转变吸放热过程，X射线衍射分析跟踪了不同温度段烧结体系的组成变化趋势，在此基础上对粉体烧结后陶瓷薄膜的防氧化效果进行了分析，结果表明：温度对粉体的颗粒形貌和晶相结构有较大的影响，高温烧结的粉体性质稳定，经过1200℃烧结后的陶瓷膜层具有很好的致密性，具有很好的防氧化效果。

The crystal-lization of this amorphous alloy is a multi-stage continuous nucleation up to saturation process. The local crystallization energy decreases gradually indicating that the thermal stability of the residual amorphous matrix becomes weak at the steady crystallization stage, which is ascribed to the diffusion of boron atoms at elevated temperatures.

进一步研究发现，该非晶合金的晶化为多阶段的连续形核直至饱和的过程；当进入稳定晶化阶段时，剩余非晶的局域晶化激活能逐渐下降，非晶基体的热稳定性降低，这是由B原子的高温扩散导致的。

The purified recombinant enzyme had optimal reaction conditions at pH 5.0 and 80 °C, was stable between pH 4.0 and pH 6.0. The enzyme had residual activity of 60% at 95 °C for 6 h at pH 5.0, thus has considerable potential in industrial applications. The specific activities of the enzyme to salicin, p-Nitrophenyl β-D-glucopyranoside, p-nitrophenyl β-D-xylopyranoside and p-nitrophenyl α-D-glucopyranoside were: 57500 U/mg, 1632 U/mg, 109 U/mg, and 39 U/mg, respectively, the specificity of salicin was the highest, p-nitrophenyl β-D-glucopyranoside followed, no activities to xylan and arabinofuranoside.

重组 Tm-SIGlA 的酶学性质研究表明：该酶最适作用温度和最适作用 pH 分别为80 ℃和 pH 5.0；在 pH 4.0-6.0 之间酶活性稳定，95 ℃保温 6 h 残留活性为 60%，具有非常高的热稳定性；在所测定的底物中，该酶对水杨苷、对硝基苯酚-β-D-葡萄糖苷(p-Nitrophenyl β-D-glucopyranoside)、对硝基苯酚-β-D-木糖苷(p-Nitrophenyl β-D-xylopyranoside)和对硝基苯酚-α-D-葡萄糖苷(p-Nitrophenyl α-D-glucopyranoside)的比酶活分别为：57500 U/mg、1632 U/mg、109 U/mg 和39 U/mg，作用水杨苷的专一性最强，其次为对硝基苯酚-β-D-葡萄糖苷，没有检测到对木聚糖和阿拉伯糖苷的活性。

In the course of the extension of subsoiling mini-till,small shar-ed subsoiler is screened from 8 kinds of tillage practices to carry outshallow plowing and interval subsoiling,shallow plowing is 7-8 cmdeep.and at the interval of 35 cm,the subsoiling is 20-35cm deep.Thus,the co-exitence of loose and compact tilths is created(ratiobetween the loose and compact tilths is 3:4).Owing to the unchan-ge of surface soil position,water,fertilizer,aeration and heat are incoordination,and yield increase is stable.when...

在试验推广深松少耕法的过程中，从八种耕作措施中筛选出用小铧杆尺深松犁，进行浅翻间隔深松，浅翻7—8厘米，间隔35厘米，深松20—35厘米，创造的虚实并存的耕层(虚实比8∶4)，由于表土位置不变，水、肥、气、热协调，增产效果稳定，种小麦、大豆平均增产分别为21.6%和15.5%；而且还有节省油料、降低成本，不用大量增添新的耕作机具的优点，并具有明显的抗旱、抗涝、防止土壤风蚀、水蚀的结果。

Deficiency which exists in view of the existing technique of production technology, in the technique of production, this article uses the extrution casting method manufacture copper alclad semifinished materials, finally uses the hot extrusion craft, this kind of technique of production enhances the product the uniformity, thickness plasticity, the union to be reliable obviously, has the productivity to be high, the material cost is low, the product conductivity is high, merits and so on electrochemistry stable property.

针对现有生产工艺技术中存在的不足之处，在生产工艺上，本文采用挤压铸造方法制作铜包铝坯料，最后采用热挤压工艺，这种生产工艺明显地提高产品的均匀性、厚度可塑性、结合可靠，具有生产率高，材料成本低、产品导电率高、电化学性能稳定等优点。然而，铜包铝母线槽排挤压技术的研究是真正意义上的以铝节铜，在节省铜资源的方面具有十分重要的意义。

Study result suggest: The change of stock in RFCCU directly affect gasoline content. Gasoline content can be reduced through increasing the equilibrium activity of catalyst, controlling reaction level, increasing recirculating rate of gasoline and stability of gasoline level. Conclusions drawn from experiment is that optimization of operating condition has great effect on lowering olefine content of gasoline which can be reduced from 60% to 50%.Reducing reaction temperature is useful for lowering olefine content of gasoline, when the reaction temperature is raised, thermal cracking rate is higher than catalytic cracking rate, so that olefine content is increased. Raising catalyst-to-oil ratio is good for lowering olefine content. With conversion rate increased, the yield of LPG and coke is raised, the yield of gasoline is increased firstly and then decreased slightly, hydrogen transfer index is increased, so the olefine content is decreased.

研究结果表明：催化裂化装置的原料的变化直接影响到催化汽油的烯烃含量；可以通过优化催化装置的操作条件来降低催化汽油中的烯烃含量，其中通过提高催化剂平衡活性、控制反应深度、增加汽油回炼量、汽油深度稳定可以降低催化汽油烯烃含量，优化工艺条件对降低催化汽油烯烃含量有较大作用，汽油烯烃含量由60％降至50％左右；降低反应温度有利于降低催化汽油的烯烃含量，当反应温度的提高，热裂化反应速度提高的幅度大于催化裂化反应速度提高的幅度，汽油烯烃含量增加；剂油比的提高有利于降低催化汽油的烯烃含量，转化率提高，液化气产率提高，汽油收率先增加后略有下降，焦炭产率增加，氢转移反应指数提高，汽油烯烃含量下降；反应时间对产品分布及汽油烯烃含量有影响，增加提升管反应时间，液化汽、汽油产率提高，干气和焦炭产率增加。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。