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The results showed that the best substrate of weight ratio of bran was that grain pieces∶ cornmeal was 2∶1∶1.Most quantities of sporulation and antifungal compound on spore germination of Verticillium dahliae were analyzed.Accumulation of antifungal compound was in direct proportion to the quantities of sporulation in the solid fermentation conditions.The solid ferment...

结果初筛出最佳固体发酵基质配方为麸皮:豆粕:玉米粉比为2:1:1;发酵温度、料水比、pH值、接种量等对菌株产芽孢及其抗菌物质的分泌有明显影响;在固体发酵条件下,芽孢的产生数量与抑菌物质的积累呈正比,以温度为35℃,料水比为1:1.4,pH值为7.0,接种量为10%为菌株最佳发酵条件。

Methods Proteins and peptides in CSF were separated by two-dimensional gel electrophoresis(2DE) and ultra-performance liquid chromatographer and identified by matrix assisted laser desorption ionization time of flight mass spectrometry(MALDI-TOF-MS) and electrospray ionization to study differential proteomic expression in the cerebrospinal fluid between patients with Demy- elinative disease and with other neurological diseases.

方法以中枢神经系统脱髓鞘疾病患者的脑脊液为研究对象,分别采用固相pH梯度双向凝胶电泳分离总蛋白质,凝胶经银染显色后,用图像分析软件进行比较分析、识别差异表达的蛋白质,离线应用基质辅助激光解析电离飞行时间质谱得到相应的肽指纹图谱;同时用超高压液相色谱分离酶解肽段,在线采用电喷雾四极杆飞行时间质谱鉴定肽段氨基酸序列;搜索数据库鉴定部分蛋白质。

Alternative etiologies for the development of this disorder include intrauterine insult (ischemic, metabolic, or viral such as CMV) during the 12th to 24th week of embryologic development. This results in damage to the germinal matrix and radial glial cells. Radial glial cells act as mechanical guides by which neurons are transported to the outer cortex during development.

另一种病因可能是由于第12-24周期间的宫内损伤(缺血、代谢异常、或病毒感染如CMV),其结果导致生发基质和放射状胶质细胞的损伤,在神经元移行至外皮层的过程中,放射状胶质细胞充当着机械性向导的作用。

The gold-labelling granules of FGF receptor appear on the day 8, but very little in number. NGFR appear on the day 9 and they are located in cell membrane, cytoplasm, endoplasmic reticulum, nuclear membrane and nucleoplasm.

第8d可检测到少量散在的FGFR金标颗粒,TrkA于第9d出现,随着胚胎的发育,金标颗粒逐渐增多,主要定位于细胞膜、胞质的基质、内质网、核膜及胞核中。

Both the temperature sensing ability of the carbon fiber reinforced lightweight concrete and the influence of mineral admixtures on the Seebeck effect were investigated by measuring the thermo electric power of six Portland cementbased concretes with or without carbon fibers or mineral admixtures.

通过测量添加炭纤维或矿质掺和物前后六种波特兰水泥基混凝土的热电功率,研究了炭纤维增强轻质混凝土热敏的能力及其矿质掺合物对Seebeck效应的影响。

Recent studies found that ischemic brain damage is resulted from many reasons such as functional rearrangement of glia cells, an ion balance disorder, lipide peroxidation induced by free radicals, and changes of neurotransmitters.

许多继发性因素,如缺血后神经胶质细胞功能的重新安排,离子平衡紊乱,自由基引起的脂质过氧化损伤,以及神经递质的改变等可诱导神经细胞死亡,继而导致脑损伤,但有关缺血性细胞死亡机制目前还无定论。

In this project, the selection criteria of matrix and reinforcement for obtaining composites with high strength and toughness are determined. The as-cast and aged microstructures of composites reinforced with particles of different strength are observed, and their metallurgical conditions and stabilization mechanisms are analyzed. The aging precipitation behaviors and mechanisms are studied. Some characteristics of nano-materials (micro-distortion areas) are found in 150nm- Al2O3p/Al composites and their formation mechanisms are expatiated. The "flexible" restriction to the deformation of the matrix by low strength AlN particle is observed by in-situ TEM and SEM techniques, and the mechanisms of its resist on cracks propagation and its contribution to composite strength are revealed. The high temperature deformation behaviors of Al2O3p/Al composites are studied. A rare-earth coating is established on sub-micron Al2O3 particles, leading to an improvement in wettability between coated Al2O3 and liquid aluminum and a decrease in infiltration pressure. The strength and ductility of coated particles reinforced composite are also increased. The interfacial characteristics, bonding structures and their formation mechanisms are studied, and the crystal orientation relationships between reinforcement particles and aluminum matrix are investigated. Finally a lighter composite with better balance of strength and damping properties is reinforced with hollow ceramic microballoons of ultra-lower strength.

本项目发现了获得高强度和高韧性复合材料的基体、增强体选择依据;观察了各种强度质点增强复合材料的铸态和时效态微观组织,分析其微观结构形成的金属学条件及稳定性机理,研究了其时效析出规律和时效机制,发现了150nmAl2O3颗粒增强铝基复合材料基体中的纳米材料特征,并解释了其形成机理;利用TEM和SEM动态拉伸技术发现了低强度质点AlN颗粒对变形协调的&柔性强化&机制,揭示了其对裂纹扩展的阻碍作用和对复合材料高强度的贡献;研究了中强度质点的Al2O3颗粒增强铝基复合材料的高温变形行为,并对其进行了稀土界面层设计与制备,改善了颗粒与铝合金之间的界面润湿性,降低了复合材料铸造渗透压力,提高了复合材料的强、韧性;研究了多种复合材料界面结构及形成机理,确定了增强体与基体之间的界面结合机制,分析了复合材料界面处的晶体学位向关系;最后制备了含微孔的中空型陶瓷颗粒增强的特种复合材料,得到了强度和阻尼综合性能较好的轻质复合材料。

X=0, 11, 22, 33, 44, and 55 borophosphate glasses series have investigated, and it is found that:(1) both the covalency bonding between Yb〓 ion and oxygen ion and the asymmetry in local structures surrounding Yb〓 ion have strong effects on integrated absorption cross section ∑〓 and emission cross section σ〓 of Yb〓 ion in borophosphate glasses;(2) the borophosphate glasses and borate glasses appear superior as Yb-gain media to the phosphate glasses, although the phosphate glasses have been demonstrated as the most appropriate Ndgain media.

在第二章中,我们对〓(x=0,11,22,33,44,和55)系列的掺Yb〓硼磷酸盐玻璃的吸收光谱和发射光谱特性进行了研究,结果表明:(1)在硼磷酸盐玻璃中,Yb-O键的共价键成分和Yb〓离子周围的近邻结构的对称性两个因素对积分吸收截面∑〓和受激发射截面σ〓的影响都很大;(2)尽管磷酸盐玻璃是最合适的掺钕激光增益基质,但是作为掺镱的激光增益基质,硼磷酸盐玻璃和硼酸盐玻璃都要优于磷酸盐玻璃。

Objective: In study of atherosclerosis, extracellular matrix of plaque is closelyrelated to the evolution of AS ,the balance of MMPs and TIMPs is very important to maintain the dynamic equilibrium of ECM, and the creation of appropriate animal models of AS is the important prerequisite for studying pathogenesis of AS and therapeutic programs.

目的:在动脉粥样硬化的研究中,斑块的胞外基质成分的变化与疾病的进展有重要联系,而基质金属蛋白酶和金属蛋白酶组织抑制物的平衡对维持ECM的动态平衡有着十分重要的作用。

In the dissertation, a new stabilization method, equal-density method was adopted to prepare modified asphalts with storage stability at high temperature. In this method, a compound was prepared by premixing polymer and filler, and the compound was mixed with asphalt to prepare Polymer-Modified Asphalt by changing the ratio of polymer and filler. The asphalts with good storage stability were formed with the addition of filler, by regulating the density difference between polymer and asphalt. With identifying the effect of composition factor and the technique conditions on mechanical properties of polymer/filler compound and the molecular distribution of the polymer, identifying the effect of composition factor and the technique conditions on the properties and structure of polymer/filler modified asphalt, Styrene-Butadiene-Styrene copolymer, Low Density PolyEthylene, Styrene-Ethylene-Butadiene-Styrene block copolymer modified asphalts with good storage stability and performance were prepared. Rheological method, gel content analysis and swelling measurement were adopted to elucidate the interaction between the polymer and filler. Filler reduced the difference between the polymer and asphalt with the premixing technique, which led to the improvement of the storage stability of the modified asphalts. The thermo-oxidative aging process of base asphalt and PMA were studied and the effect of antioxidant additives on the base asphalt and PMA were analyzed.

本论文采用等密度方法,即预先混合聚合物与填料制备复合物,复合物在沥青中会吸收油份而溶胀,改变填料的用量从而调节聚合物与沥青的密度差异的方法,制备出高温贮存稳定的改性沥青,并研究了工艺条件和配方因素对聚合物/填料复合物力学和聚合物分子量分布的影响,系统考察了工艺条件和配方因素对聚合物/填料改性沥青性能与形态结构的影响,研制出性能优良、高温贮存稳定的苯乙烯-丁二烯-苯乙烯三嵌段共聚物、氢化SBS、低密度聚乙烯改性沥青,并通过流变学分析方法及凝胶和溶胀测试探讨了聚合物与填料的相互作用,指出经过预混工艺填料改变了聚合物与沥青的密度差异,以此说明聚合物/填料改性沥青高温贮存稳定的原因;研究了基质沥青和聚合物改性沥青热氧老化过程,并分析了抗氧剂对基质沥青及聚合物改性沥青的影响,探讨了抗氧剂提高沥青耐老化性能的原因。

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推荐网络例句

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。