species formation是什么意思 species formation在线中文翻译

species formation

species formation 双语例句

  1. Results demonstrate that with the succession going on from herbosa→shrubs→coniferous forest→theropencedrymion→evergreen broad-leaved forest, abundance and diversity index of species, biomass and productivity of vegetation all show a rising trend prior to the formation of a mature and stable biotic climax.
    结果表明:随着草丛→灌丛→针叶林→针阔混交林→次生常绿阔叶林正向演替的进行,在未形成成熟而稳定的顶极群落之前,物种丰富度、物种多样性指数、植被生物量及生产力都呈增大趋势。
  2. On the one hand, the charge transfer between the complexes and the valence band is very fast, but the liberation of iodine, I〓, may be rather slow due to the interaction and/or the formation of complexes between donating electron species and the accessible Fe sites at the surface. Therefore, minority carriers (photo-induced holes) tend to accumulate in the FeS〓/electrolyte interface causing the flatband potential shift towards positive energy and the decrease of the maximum theoretical photovoltage. On the other hand, the occurrence of unoccupied surface states in the forbidden zone due to the strong chemical interaction of iodine with FeS〓 surface leads to the increase of both surface recombination dark current and tunneling dark current causing the decrease of open circuit photovoltage. The self-assembled monolayer of n-octadecylamine.
    FeS〓/电解质界面化学行为理论模拟与太阳电池开路电压的理论分析表明:碘离子I〓与FeS〓(100)表面产生强烈化学吸附作用,H〓O分子与FeS〓(100)为物理吸附,因此I〓/I〓电解质可以强烈抑制FeS〓电极光腐蚀;同时,与弱相互作用体系相比,强相互作用体系的界面电子传递隧道距离缩短而使光电流增加,提高了量子效率;I〓分子吸附一方面阻碍了溶液中的I〓在FeS〓电极表面的吸附,导致光生空穴在表面发生积累,最终的结果是FeS〓电极平带电势ψ〓正向漂移,致使理论最大光电压降低,另一方面,由于I〓吸附导致带隙处未占表面态增多,表面复合电流与隧道电流明显增大,从而使光开路电压U〓降低。
  3. Chinese Cinnamaldehyde Cinnamaldehyde alias, Lauraceae plants are dry skin and cinnamon bark obtained by steam distillation of volatile oil in the main component of research in recent years are more root canal sterilization drug, it can seriously undermine the bacterial cell surface structure, and thus has a wider antibacterial spectrum and strong antibacterial activity; gallnut hundred, also known as worms, insect species are Schlechtendalia Schlechtendalia or times aphid eggs in their parasitic plants Anacardiaceae Rhus chinensis, Green bran Yang Yang, such as bran or red tree gall formation, the main ingredient for gallnut tannin, can solidification microbial protoplasts and a variety of body enzymes, a wide range of bacteria, fungi, yeasts are inhibited.
    中药桂皮醛别名肉桂醛,是樟科植物肉桂的干皮及树皮经水蒸气蒸馏得到的挥发油中的主要成分,是近年来研究较多的根管消毒药物,它能够严重破坏细菌细胞表面结构,从而具有较广的抗菌谱和较强的抗菌活性;五倍子又名百虫,是倍蚜种昆虫角倍蚜或倍蛋蚜在其寄生漆树科植物盐肤木、青麸杨或红麸杨等树上形成的虫瘿,其主要成分为五倍子鞣质,能够凝固微生物体内的原生质及多种酶,对多种细菌、真菌、酵母菌都有明显的抑制作用。
  4. We also compared the morphological and karyotype phylogeny and discussed the process and mechanism based on geology、geography、climate、ecology environment and habit, including the influences of the uplefting of Himalayas and formation of the Trans-Himalayas on the dispersing, species divergence and phylogeny of the Leptobrachiinae toads and the other groups of amphibians in this areas.
    同时,对拟髭蟾亚科各属,尤其是髭蟾属和拟髭蟾属各种、齿蟾属大部分种,齿突蟾属大部分种和掌突蟾属部分物种的系统发育及演化机理的研究也已结束,获得了预期的研究结果,并讨论了各个属的相关分类问题。
  5. Depletion of this small molecule is a common consequence of increased formation of reactive oxygen species during increased cellular activities.
    细胞活性增加时活性氧物种生成增多经常导致这种小分子的损耗。
  6. The established model for complexations in illite/water suspensions shows that proton reactions in the supernatants of illite suspensions can be represented by those of Al and Si in water solutions, acid-base properties of illite surfaces can be illustrated using only deprotonation reactions, which suggests that the surface acidic behavior of illite is similar to that of amorphous SiO〓, and uptake of copper in illite suspensions can be interpreted by the surface adsorption of different Cu aqueous species, followed by the formation of copper precipitates, which were found to be hydroxide precipitates in carbonate-free illite suspensions and hydroxylcarbonate precipitates in carbonate-containing illite suspensions.
    1建立的水合伊利土表面的络合反应模式表明,伊利土悬浮液的上清液体系中的质子反应,可以用水溶液中Al和Si的质子反应来表示;伊利土表面的酸碱行为与无定形SiO〓表面的酸碱行为类似,即可以用表面羟基的脱质子反应来描述;以及铜在伊利土悬浮液体系中的反应行为,可以解释为伊利土表面位对不同水合铜形态的络合和铜沉淀形态的生成,其中,在不含碳酸盐的伊利土悬浮液中,铜的沉淀形态表现为主相或表面的氢氧化铜沉淀,而在含有碳酸盐的伊利土悬浮液中,铜的沉淀形态表现为羟基碳酸铜沉淀。
  7. Several neurodegenerative diseases such as Alzeimer's and Parkinson's as well as septic shock and inflammation involve formation of reactive oxygen and nitrogen species that include peroxynitrite.
    2004年1月14日; 52(1):139-45。神经退化疾病如几个阿尔茨海默和帕金森以及败血性休克和炎症牵涉形成活性氧包括氮、过氧物种。
  8. The formation of ethyl caproate is influenced by the substrate content, the culture medium, the species of monascus, and the culture conditions.
    底物含量、培养基、红曲种类、培养条件等对己酸乙酯的生成均有影响。
  9. This system has good thermal stabi ity in ground state. When excited, it can undergo intra-ion-pair electron transfer, leading to the bleaching of the dye and the decomposition of the onium salt. The later results in the formation of initiating radical species.
    在基态,这种体系具有良好的热稳定性,而在激发态时能发生离子对内光诱导电子转移反应,导致其发生漂白和碘鎓盐的分解反应,产生具有引发作用的自由基。
  10. A total of fourteen individual model sulfur compounds were investigated using laboratory hydrous pyrolysis under conditions of constant temperature between 200 and 330℃ and in the presence of low sulfur brown coal. The results show that most of the compounds were reactive with great variation in their thermal stabilities, and in their maximum temperature of thermal decomposition and as well as in their sulfur product distribution, these demonstrate that the geochemical behaviors of the individual sulfur compounds are also in great variation. However, analysis of sulfur species in the pyrolysis products of the reactive compounds suggests that the geochemical transformation of organic sulfur could be principally characterized in terms of the formation and distribution of hydrogen sulfide, secondary sulfur compounds and macromolecular sulfur.
    14种典型含硫化合物在200~330℃温度区间、在有低硫褐煤和硫抑制剂存在条件下的加水热模拟实验结果表明,大多数结构类型的含硫化合物是结构不稳定的化合物,它们的热稳定性差异很大,不同结构类型的含硫化合物所对应的热解温度不同,它们在不同温度段产物的分布也不尽相同,这表明单个硫化合物的地球化学行为差异很大,而单个有机硫化合物在有机质热成熟过程中的转换特征基本上可以依据其生成硫化氢、二次含硫化合物以及大分子含硫化合物的量来描述。
  11. The results show that a two-step oxidation process exists in the oxidation procedure of Ni2 corresponding to the formation of Ni and Ni, respectively, in which Ni species is not stable and can dissociate into NiOOH and oxygen.
    循环伏安结果表明,在球形Ni2的氧化过程中存在Ni和Ni的两步氧化反应,产生的Ni不稳定,能分解产生NiOOH和氧气,所以可将Ni→Ni看作副反应。
  12. The results indicate that the addition of K promoter can increase the surface area of Fe-based catalyst and iron species dispersion in catalyst, and reinforce the interaction between Fe2O3 and silica. The addition of Cu promoter improves the reduction of catalyst and the formation of Fe3O4 phase in H2 and syngas environment, but Cu promoter favors the formation and stabilization of a-Fe phase in CO environment.
    结果表明,K助剂的加入能明显提高催化剂的比表面积和铁物相在催化剂中的分散程度,增加了Fe2O3与SiO2间的相互作用;当催化剂在H2和合成气中还原时,Cu助剂的加入有利于催化剂的还原和Fe3O4的生成,在CO中还原时,Cu助剂的加入则有利于α-Fe的生成和稳定化。
  13. Antioxidant pathways are enhanced to neutralize reactive oxygen species overproduced by oxidation, and lipid droplet formation is enhanced.
    抗氧化通道加强,以中和氧化过程中产生的过多的活性氧族,脂滴的形成也增多了。
  14. The development of isolating mechanisms promotes the formation of new varieties and species.
    该机制的发展有助于新物种和品系的产生。
  15. In this work, the mechanism of NO decomposition were studied by means of in situ FTIR. The results shows that NO〓〓 species which is very easily to be produced on Cu-ZSM-5 play a key role in the catalytic decomposition of NO and the formation of O〓 over the catalyst.
    我们采用变温原位红外光谱并结合NO的TPD结果,对NO在Cu-ZSM-5上的分解反应机理特别是氧的生成机理进行了探讨,结果表明,NO在Cu-ZSM-5催化剂上容易形成NO〓〓物种,这一物种对NO分解反应性能及O〓的生成具有重要作用,并且很可能也是Cu-ZSM-5催化剂对NO分解反应具有较高活性的原因。
  16. It may be attributed to the formation of NO2 with the help of surface nitrogen species as catalytic centers.
    与活性炭相比,渗氮活性炭还原NO反应的表观活化能降低了60~80%。
  17. And Hβ were relatively simple in comparison with that of CH* and C2* It is assumed that CH4 and C2H2 were firstly ionized into CH3 and C2H respectively From Raman and FTIR spectra as increased the flowing rate of methane or acetylene sp3 CH3 and sp3 CH2 structure increased on surface that caused sp3/sp2 ratio of a-C:H films increased; in addition sp2 structure transformed from aromatic rings into olefinic chains Owing to the varied lengths of pathway to ionize the hydrocarbon species methane was more affected than acetylene by the formation of sp3 C-H on the a-C:H surface Hydrogen in a-C:H films blocked carbon atoms to form the sp3 C-C (cross-linking) and formed sp3 C-H instead which caused nano-hardness of a-C:H films decreased with the increased flowing rate of methane or acetylene Nano-hardness of a-C:H films decreased to 275 GPa and 586 GPa at the flowing rate 10 sccm of methane and acetylene Due to sp3 C-H increased and sp2 structure transformed the resistance of a-C:H films increased with the flowing rate of methane or acetylene From the observations of the excited gaseous species and the quality of a-C:H films the mechanical properties of a-C:H films were most probably affected by the formation of sp3 C-H structure which was closely associated with the efficiency of ionization from methane/argon or acetylene/argon plasma
    随流量增加单位气体分子获得能量降低,推测甲烷主要解离成CH3而乙炔主要解离成C2H。从Raman与FTIR光谱结果得知,当甲烷或乙炔流量增加,碳膜表面的sp3 CH3与sp3 CH2键结增加,使碳膜的sp3/ sp2比增加,此外sp2结构将从苯环状碳环转变成烯烃碳链;乙炔碳膜的sp3/ sp2比增加幅度比甲烷碳膜小,因为甲烷直接解离成CH3即可形成sp3 C-H结构,但乙炔解离成C2H后需要再进一步反应才能形成sp3 C-H结构。氢在碳膜中阻挡碳碳原子间形成sp3 C-C并且形成sp3 C-H,造成碳膜硬度随C-H键结增加而下降,10 sccm的甲烷碳膜与乙炔碳膜硬度降至2 75 GPa与5 86 GPa。由於C-H键结将钝化碳膜表面,使甲烷与乙炔碳膜的摩擦系数随著表面C-H结构增加而降低。由於碳膜的表面sp3 C-H键结增加与sp2结构从碳环转变成碳链,导致甲烷碳膜电阻值随流量而剧烈增加而乙炔碳膜电阻值则随流量而缓和增加。由激发气态物种观察与碳膜性质比对,沉积后的碳膜机械性质主要是受到表面形成的sp3 C-H结构影响,sp3 C-H结构的形成则与甲烷/氩气和乙炔/氩气电浆的解离效率有密切关联。
  18. Ion current is proportional to the concentration of corresponding species or faradaic current for the formation of this species.
    离子电流I〓正比于物质的浓度c,或产生此物质的法拉第电流。
  19. Formation mechanism through photooxidation of volatile organic compounds, initiated by reaction with species such as the hydroxyl radical, nitrate radical (NO3·), and ozone (O3), is clear.
    近年来,OH·、NO3·和O3光化学氧化形成二次细颗粒物的机制较为清晰,海盐和大气矿尘表面多相反应形成硫酸盐和硝酸盐等二次无机细颗粒物的研究取得可喜进展,尤其是发现海盐和大气矿尘混合物完全不同于单组分的多相反应机制。
  20. Benzene and acetylene formation in n-heptane/air partially premixed counterflow flame was simulated using a detailed mechanism including 108 species and 572 elementary reactions.
    采用详细反应机理对正庚烷部分预混对冲层流火焰中苯环与乙炔的生成进行了模拟,反应机理包括108种组分的572个基元反应。

species formation 单语例句

  1. A single gene appears to be in charge, preventing additional tooth formation in species destined for a limited set.
  2. The tree is very valuable in the study of the formation and geographical distribution of plant species.

species formation

中文翻译
1
物种形成
相关单词
species formation

相关单词辨析

这组词都有“种,类,类型”的意思,其区别是:
category: 书面用词,特指有确切定义的群体。
sort: 普通用词,文体较kind随便,指对人或对事物进行的大概分类,有时含贬义。
species: 书面用词,单复数同形。指生物分类上的种。
classification: 指根据已经确定的类型对某一实物作鉴别和归类。
class: 正式用词,指门类、种类或优劣等级;用于指动植物的分类时,表示“纲”。
type: 指客观界限比较清楚,有相同本质特点的同类事物,或指大致相似的同类事物。
variety: 强调有各自的特点,形式不同,品质不同的种类。
kind: 指性质相同,而且特征很相似,足以归为一类的人或东西。