使破碎
- 与 使破碎 相关的网络例句 [注:此内容来源于网络,仅供参考]
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1Niche construction can lead to stable coexistence of diverse genotypes in spatially structured population, which supports a stable polymorphism even without heterozygote superiority.(2)With habitat deterioration, niche construction accelerates the formation of steady polymorphism and hence impedes the harmful influences of environment on the population, which might embody a life-history strategy of organism under the unfavorable environment.(3)Niche construction results in the coexistence with alternative polymorphism through genotype-environment feedback and limited gene flow.(4)The niche-constructing organism is an active force to alter its environment and hence the direction of natural selection in order to better survival.(5)Spatial dynamics and distribution pattern of metapopulation are profoundly influenced by time-lagged niche construction.(6)Metapopulation size can reach a fixed level in the recency effect and equal weighting of time lag but is statistical stability in primacy effect, which implies the primacy effect is most remarkable.(7)The increment in the relative weightingof each generation\' niche construction and the length of time lag are significant factors for system destabilization.(8)Moderate capacity of positive niche construction benefits the metapopulation persistence.(9)The narrowing of niche breadth can decrease the metapopulation size and thereby increase the extinction risk.(10)The coupled function of time lag and niche construction make the system oscillation and generate the spiral wave, spiral-broken and circular wave in heterogeneous habitat.The spatial distributions of metapopulation and resource content are complementary due to a phase lag of their both frequencies.(12)Metapopulation persistence with niche construction depends not only on the balance between colonization and extinction, but also on the balance between the ability of niche construction and natural dissipation of habitat.(13)Metapopula-tion can survive under certain condition when the percent of suitable patches in habitat is lower than the ration of extinction to colonization.(14)Two thresholds exist in the process of transition of habitat quality dynamics from unsuitable to suitable, which include the intensity of niche construction and the initial condition of system.(15)Metapopulation size is positive correlated with the ability of positive niche construction, which means that organism or population who has strongly positive influences on their environment plays an important role to maintain the available habitat.
通过上述几个方面的研究,主要得出以下15条结论:(1)生态位构建可使空间结构种群,甚至是在没有杂合子优势的条件下,形成多种可能的稳定基因型分布模式;(2)随着环境的破坏与恶化,种群的生态位构建作用加速其较早形成稳定多态以阻碍环境对种群的不利影响,解释了有机体在不利环境下的一种生活史对策;(3)生态位构建作用通过基因型—环境反馈机制及有限的基因交流导致基因型多态的稳定共存;(4)有机体的生态位构建作用是一种积极的动力改变环境进而改变其自然选择的方向;(5)生态位构建的时滞作用对集合种群动态和空间分布产生深刻影响;(6)集合种群大小在时滞的崭新效应和等权重效应下达到一固定值,而在首位效应下达到统计稳定,表明首位效应的影响最显著;(7)首位效应下生态位构建相对权重的增量和时滞的长度是影响系统不稳定性动态的关键因素;(8)适中的生态位构建强度有利于集合种群的续存;(9)生态位宽度变窄会减少集合种群的数量从而增加其灭绝风险;(10)时滞和生态位构建的双重作用使系统产生周期振荡,并在异质性环境中产生稳定的螺旋波,破碎的螺旋波和环形波三种分布模式;(11)集合种群与资源含量的空间分布因为相滞而互补;(12)具有生态位构建的集合种群续存不仅取决于侵占率与灭绝率之间的平衡,而且依赖于生态位构建能力同其生境的自然消耗速率之间的妥协;(13)当生境中适合侵占的斑块比例小于其侵占率与灭绝率之比时,生态位构建作用促使集合种群在一定条件下续存:(14)生境斑块的状态从不适合到适合转变过程中存在生态位构建强度和系统初始条件这两个阈值;(15)集合种群的大小同正生态位构建能力正相关,意味着对环境具有较强正作用的有机体对维持有效生境起积极作用。
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The high temperature of drying GFCMP results in the devitrification of final product with the of fluor apatite and quartz, and greatly lowered dissipation in water, based on Xray diffractionanalysis.
通过圆盘式破碎机湿料破碎及喷流传热恒温干燥这 2项关键技术创新,对原 2万 t/ a粒状钙镁磷肥生产工艺进行了改进使之达产,并使产品完全避免了反玻璃化,达到国际市场的品质要求。
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During 1980 to 2002, the whole patch's quantity increases and has the phenomenon of crumble. In addition, the distribution of each patch becomes more disperse gradually, and the enchase decreases. During 2002 to 2006, after the creek engineering project has been put in place for several years, the whole landscape structure starts to become in ordered. Proven by the bird research data, higher sample are mostly scatter along the river side. Therefore, the creek engineer is able to stabilize our environment, and the big patch is increasing because of the plan of patch, as a result, the variety of birds in the testing area increases by a significant number.
於1980 ~ 2002年间,在人为大力开发加上天然风灾肆虐下,整体块区之数量渐增且形状有呈现破碎化之现象,而各类别块区之分布逐渐分散,且镶嵌度亦有下降之情形。2002 ~ 2006年,经逐年之野溪工程整治,整体景观结构有朝向规整化的情形,且以鸟类调查资料验证,丰度较高之样点大多沿著溪流分布,故可得知,野溪工程之施作对环境有稳定之功能,且因块区之规整使大块区数量增加,亦使研究试区之鸟类生态丰富度增加。
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It has been found that during the spark plasma sintering process, under the condition of large current, short sintering time and lower sintering temperature, the metastable icosahedron quasicrystal phase in primary powder particles is kept. And the strong discharge plasma among particles can decompose or break the oxide film on the primary powder's surface, resulting in the increment of their combination strength. So the as-prepared bulk alloy possesses high density and ultra-high strength.
结果表明,在放电等离子烧结过程中,采用大电流、短时、低温的烧结条件可使快冷雾化法制备的原始合金粉末中的准晶强化相及其它细小强化相得以保存,而局域强放电等离子体可以分解或破碎铝合金粉末表面的氧化膜,使合金粉末颗粒间的结合强度增加,制备出的块体铝合金具有高的致密度和超高强度。
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It is embodied concretely:(1) With the adoption of grouting bolts, the cranny in wall rocks can be blocked up, the air can be isolated, the wall rocks can be prevented to be weatherized and make water, the strength of wall rocks can also be avoided to be lowered;(2) The lax broken wall rocks are commentated to a whole by liquid after they were grouted and the rock"s strength is increased, so the wall rocks become a part of the support structure by using itself and become a whole with the original rock, and the roadway is made to keep stable but not easy to be broken;(3) The spray layer wall are filled with liquid after grouting, the stress is avoided to be concentrated because the load could be evenly acted on the spray layer and the support;(4) The pressure acted on the plank can be delivered to the two sidepieces and then to the bottom by reinforcing the sidepiece; At the same time, the concentration degree of loads acted on the motherboard can be weaken because of the enlargement of the combination arch"s thickness, as result, the rock"s stress is lowered and the heaving is alleviated;(5) The common bolt is made to be fixed the whole length after grouting, the layers are connected to a integral whole and bear the weight of loads, so the support structure"s unity is increased.
具体体现在:(1)采用注浆锚杆注浆,可以利用浆液封堵围岩裂隙,隔绝空气,防止围岩风化,且能防止淋水和渗水,避免围岩被水浸湿而降低围岩的本身强度及造成的巷道变形。(2)注浆后浆液将松散破碎的围岩胶结成整体,提高了岩体强度,实现利用围岩本身作为支护结构的一部分,且与原岩形成一个整体,使巷道保持稳定而不易产生破坏;(3)注浆后使得喷层壁后充填密实,保证荷载能均匀地作用在喷层和支护上,避免出现应力集中点而首先破坏;(4)注浆后使作用在顶板上的压力能有效地传递到两帮,通过对帮的加固,又能把荷载传递到底板;同时由于组合拱厚度的加大,这样又能减小作用在底板上的荷载集中度,从而减小底板岩石中的应力,减轻底臌;(5)注浆加固后能使普通端锚锚杆实现全长锚固,它们共同将多层组合拱连成一体,共同承载,提高了支护结构的整体性。
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The supernatant of the recombinant E. coli by sonication could not only repress the pigment synthesize of Chromobacterium violaceum ATCC 12472, but also could attenuate the intensity of bioluminescence of V. harveyi VIB391 and V. harveyi BB886 by 68% and 53%, respectively.
将表达的重组菌体经超声波破碎后,取其上清液作用于紫色色杆菌ATCC 12472,使其受密度感应系统控制的紫色色素的合成受到抑制;又用上清液分别作用于哈维氏弧菌的发光菌株VIB391和BB886,可使其发光强度分别减弱68%和53%。
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Furthermore, large-scale fold and fault structure hasn't been found around the Tianchi Lake, but the original prismatic joints and radial joints developed well in the trachyte, so the rock mass is dissected into fractured fragmental structure and the integration of rock mass is further destroyed.
在构造方面,长白山天池周围虽然没有发现大规模的褶皱断裂构造,但粗面岩中原生柱状节理、放射状节理十分发育,这些节理裂隙将岩体切割成十分破碎的碎裂结构,使岩体极易产生岩崩、落石,使岩体的完整性遭到了进一步的破坏。
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Powerful shock wave will break down the primary crystal and the growing dendrite, making them particle crystal. With the stirring of acoustic streaming, particle crystal is dispersed in melt, as is equal to increase the number of external nucleus.
强烈的冲击波会击碎初生晶体,使之成为破碎的晶核,在声流的搅拌作用下,又使其弥散地分布于熔池中,相当于增加了外来核心,因而使晶粒得到细化。
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Hammer-flake grinder uses the energy that the high-speed rotary, hammer-flake schleps to hit the raw materials, and makes them luther grinde when gear plate and sieve plate hit together.
锤片粉碎机利用高速旋转的锤片所携带的能两撞击物料,使物料破碎并能高速与齿板碰撞后进一步破碎,此过程反复进行,直到物料小于筛板孔径后穿过筛板排出机外。
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The result showed that LPS inhibited the proliferation of pulp cells when its concentration was 100μg /ml; it could induce the apotosis of the cell when in 250μg /ml and it could lead the pulp cell to die when in 450 μg/ml.
g/ml浓度的LPS可抑制细胞生长,使细胞体积缩小;200μg/ml浓度的LPS可使个别细胞收缩变圆,发生类似凋亡样改变;而400μg/ml浓度的LPS可使细胞肿大、破碎发生坏死样改变。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。