变体
- 与 变体 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The flexible stratified gunite taking double-rope as the frame structure is combined with high intensity grouted bolt to form the wall rock so as to raise the intensity of soft rock.
采用以双层钢丝绳为骨架的柔性喷层结构与以锚注高强度水泥浆液在稳压状态下胶结围岩,提高软弱岩、煤体自身强度,以监测监控为手段,根据应力变化和巷道移变速度,对围岩体内反复注浆加固,使岩体成为支护结构主体,实现了真正意义上的主动支护,并在工程中进行了实践。
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In this thesis the process of constructing the non-perturbative Hamiltonian theory is de-scribed and is applied to estimate the vacuum condensate. It contains the following contents:At the very beginning, by using the path integral method and eliminating the gluon freedom, aGCM action 〓 of current quarks including lower order current-current coupling was derivedfrom the QCD Lagrangian and the effective Hamiltonian operator that could hardly be doneby the normal methods was derived. After doing this, the broken vacuum is introduced whichincludes quark-antiquark condensate through the generalized Bogoliubov-Valatin transformation,the effective Hamiltonian of constituent quark was derived. The detailed formulas containingthe spatial current-current coupling term for the effective Hamiltonian and gap equations wasworked out by parameterizing the correlation kernel as a quadratic potential. And then, the gapequation was solved and the quark-antiquark condensate of vacuum was studied both in the casesof instantaneous interaction and retarded interaction. In the end, the effective Hamiltionian withtwo-body quark-quark interaction was derived with one-body approximation, and with the helpof the functional integral method the coupling non-linear dynamic equations for systems withnuclear matter was derived. Finally, these equations were solved by selfconsistent method andthe effect of nuclear matter on vacuum condensate was studied. The spatial current-current coupling term is too difficult to handle, hence the correlationkernel is assumed to be not important and usually omitted in the pure vacuum condensate, andthe instantaneous interaction generally is adopted. Retaining the spatial current-current termand partial retardation effect, the quark pairs condensate in pure vacuum was studied, and theeffect of quark mass was also studied. At present, little study is focused in the case with nuclearmatter and spatial current-current term also omitted. Under the approximation with partialspatial current-current term, the effect of nuclear matter on vacuum condensate was studied.
本论文描述了量子色动力学整体色对称模型哈密顿量方法的构建过程,得到了反映正反夸克对凝聚真空结构的关于组分夸克的有效哈密顿量算符,它隐含了胶子作用,并且准确至流-流耦合项;接着,通过参数化哈密顿量中的夸克作用关联核,导出平方禁闭势参数化选择的哈密顿量的具体公式和能隙方程;随后,应用公式,编程求解,考察了瞬时作用下和部分延迟作用下真空的正反夸克对凝聚,在计算中保留了空间流-流耦合作用;之后,导出瞬时势和延迟势下包含二体作用项的哈密顿量公式,并采用单体化近似,通过泛函变分方法得到核物质存在时耦合的非线性动力学方程;在保留部分空间双流耦合作用的近似下,求解核物质的动力学方程,考察核物质密度对真空凝聚的影响,以往考察真空凝聚,对关联核的选用,由于空间流-流耦合项不易处理,也认为作用不大,常忽略该项,并且常采用瞬时作用;本文保留空间双流项和部分延迟作用,考察了真空情形的夸克对凝聚,还考察了夸克质量对纯真空凝聚的影响,以往对核物质存在情形的真空凝聚考察很少,也都忽略空间流-流项,本文在考虑部分空间流-流项近似下,考察了核物质存在对真空凝聚的影响。
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The electron microscope showed increased number of mitochondrion and size of the transfected SGC7901 gastric cancer cells with NHE1 antisense gene, expanded Golgi apparatus, rough endoplasmic reticulum and endoplasmic reticulum and strengthened heteropolarity.
透射电镜下细胞线粒体数量增多、体积增大,并可见髓鞘样变,粗面内质网、高尔基体较发达,内质网扩张,核偏向一侧,极性增强。
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From these researches as above, this paper found a new method to analysis salty soil road engineering properties by phase equilibrium theory, which provides a new angle of analysis on salty soil properties, experiment and engineering practice in these ways as follows:(1) Analysis the disadvantage of traditional salty soil experiment;(2) Analysis the disadvantage of current salty soil definition by phase equilibrium theory, and gives the chart of distinguish salty soil by the condition of hydrography and climate change;(3) Analysis the mechanics of subgrade frost boiling based on the change rule of liquid content;(4) Based on the change rule of ingredients content and volume in salty soil, analysis the mechanics of subgrade salt heaving and the restraining method by adding sodium chloride.
通过以上研究,本文初步建立了以相平衡理论为核心的盐渍土路用工程性质分析方法,该方法对盐渍土工程性质的理论分析、试验研究以及工程实践提供了新的研究思路与方法,具体体现在:(1)分析了传统的盐渍土试验存在的缺陷;(2)分析了现行盐渍土定义的不足,并以相平衡理论为基础,结合水文、气候条件的变化给出了判别盐渍土的诺谟图;(3)分析了盐渍土盐溶液含量的变化规律,并从盐渍土含液量变化规律出发,分析了盐渍土路基较非盐渍土路基翻浆严重的机理;(4)分析了盐渍土各固相含量及其体积的相变规律,并在此基础上分析盐渍土路基的盐胀机理,以及采用添加氯化钠来抑止硫酸盐盐渍土的盐胀机理
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In summary, our results suggest that ANE increases micronuclei frequency, induces cell cycle arrest at G2/M phase, causes cytokinesis failure and accumulates hyperploid cells. The events are possibly associated with ROS production, actin filament disorganization and centrosome aberration.
故从本实验的结果,我们认为槟榔子萃取物会增加微核频,诱导细胞周期停滞於G2/M phase,造成细胞质分缺损与多倍体细胞的增多;而这些现象可能与活性氧的生成,actin filament 的常与中心体的变有关。
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On the other hand, the Ag42In42Ca16 icosahedral quasicrystal is stable both chemically and structurally under the same conditions.
在相同条件下,二十面体准晶Ag42In42Ca16保持不变,具有高的结构和化学稳定性。
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With regard to the rapidly increasing sequence data of prokaryotic genomes, accurate gene identifications and genome annotations have become more and more important.
近年来原核生物的基因体定序速度越来越快,相对地基因的鉴定以及基因的注解也变的越来越重要。
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In order to study the microscopic mechanism of martensitic nucleation and growth proeesses, molecular dynamics simulation of thermally induced martensitic transformation in stoichiometric NiAl alloy with B2 structure has been perfomied via the embedded atom method interatomic potential of NiAl alloy.
沙宪伟,张修睦,陈魁英,李依依摘要:运用NiAl合金的镶嵌原子势,进行了B2结构NiAl中热诱发马氏体相变的分子动力学模拟,从而研究马氏体形核和长大的微观机理。
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The former, intracranially complements patients some factors, most frequently with TH gene to compensate scanty of intrastriatal DA and improve the symptoms of the patients, while have little resistance to the progressive degeneration of dopaminergic neurons; The latter provide variety of neurotrophic factors, most specific being the glial cell-line derived neurotrophic factor , to protect the residual DA neurons in the nigrostriatal system from further pathogenic injuries, while have little benefit to those DA neurons with irreversible damage, and them cannot offset the already-existing symptoms.
前者是给宿主脑内补充某些因子,主要是DA合成过程中的限速酶TH基因,以补充纹状体内DA含量的不足,减轻患者的症状,但对DA能神经元的进行性退变没有治疗效果;后者则是提供各种神经营养因子其中最具特异性的为GDNF,以保护黑质一纹状体系统内剩余的DA能经元免受病因的继续损害但对已发生不可逆性损害的DA能神经元并无拯救作用,无法消除已出现的症状。
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Appraised the "Blood-Stasis" clinical appearance integrative scores, Nail fold Microcirculation scores, and determined hemorheological indexes before and after treated 3 months, 6months, then contrast intragroup and intergroup, and contrast to 30 healthy mid-age women who underwent checkup at the same time; determined anterior-posterior position lumbar1~4 vertebra body bone mineral density before and after treated 6 months, then contrast intragroup and intergroup.
两组治疗前及治疗3个月、6个月后分别评定"血瘀"临床表现综合评分、甲襞微循环评分并测定血液流变学指标,组间及组内治疗前后对比,并分别与同期体检30例健康中年妇女对比;治疗前及治疗6个月后测定腰1-4椎体前后位骨矿物密度,组间及组内治疗前后对比。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。