The interaction between soil heterogeneity and shrubs induced the autogenic development of "fertile islands" and the increasing spread of shrubs in the grassland ecosystems.

這種&肥島&的形成和灌木的擴(kuò)散之間的反饋作用能夠改變該系統(tǒng)中的植被組成jjzz中国jjzz、結(jié)構(gòu)和土壤養(yǎng)分分布格局www、αV、COm，從而改變該生態(tài)系統(tǒng)的結(jié)構(gòu)和功能。

Bitumen is similar to the cement and autogenic clay filled in reservoir pores, and it dramatically reduces reservoir porosity and permeability, increases reservoir heterogeneity and even changes the oil/gas accumulation history at a later stage.

瀝青類似于充填在儲集層孔隙中的膠結(jié)物及自生黏土国产91九色，使儲集層孔隙度和滲透率急劇降低亚洲三级片免费看视频，非均質(zhì)性增強(qiáng)，甚至可改變后期油氣的富集規(guī)律一区二区亚洲黄色网站。

In this thesis, the structural heterogeneity of several novel polyolefin resins, including biaxially oriented polypropylene and propylene-ethylene random copolymer, was investigated.

本論文工作從聚合物鏈結(jié)構(gòu)的多重非均勻性出發(fā)欧美精品AAAAAAA，研究了幾種新型聚烯烴材料，包括用作雙向拉伸薄膜的等規(guī)聚丙烯樹脂和用作熱水管材的無規(guī)共聚聚丙烯樹脂的鏈結(jié)構(gòu)中国农村第一黄片视频。

Although negative conspecific density dependence among neighbours is widely studied, the general prevalence of the effects is still poorly understood due to a lack of studies from zonal forests other than the tropics. In addition, the detection of density dependence may be confounded by the influence of habitat heterogeneity.

雖然同種鄰體負(fù)密度制約假說得到廣泛的檢驗久久精品中文字幕乱码…，但是由于除熱帶地區(qū)以外其它區(qū)域研究的缺乏，以及檢驗結(jié)果受到生境異質(zhì)性的干擾热久久中文字幕少妇，我們對密度制約效應(yīng)在森林里存在的普遍性仍然認(rèn)識不足免费一级毛片视频,。

To search the genetic heterogeneity of ADPKD and to compare the clinical presentation between ADPKD type 1 and 2 in Shanghai Han population, develop a method of gene diagnosis by linkage analysis with microsatellite DNA tightly linked to PKD1 and PKD2 and make gene diagnosis of mutation carriers before cystogenesis, detect single nucleotide polymorphism of PKD2 and its frequence in Han population.

根據(jù)知情同意的原則，選取80名無親緣關(guān)系的上海市漢族健康志愿者進(jìn)行與PKD1和PKD2連鎖的微衛(wèi)星DNA多態(tài)性的研究亚洲色淫淫网，選取43個常染色體顯性多囊腎病家系進(jìn)行遺傳異質(zhì)性国产永久视频、表型差異研究及基因診斷。

Second,path analysis is used to reveal the main influence factors of Shared Leadership which are comprised of organizational support,shared belief,team knowledge,demographical heterogeneity and autonomy.

運(yùn)用路徑分析方法国产精品久久久狼友，探討了企業(yè)共享領(lǐng)導(dǎo)的五個主要影響因素欧美一级夜夜爽老妇，即組織支持、共同信念、團(tuán)隊知識手机看片日韩精品视频在线、人員異質(zhì)和自主決定999国产一区二区三区。

By analyses, the main reason of poor reservoir heterogeneity is the change of depositional environment.

綜合分析認(rèn)為，引起儲層非均質(zhì)性的主要原因是沉積環(huán)境的變化黄片操美女。

All kinds of geological processes not only make rock masses discontinuousness,heterogeneity and anisotropy, which result in the variability of rock masses'parameters and determine the indeterminacy of forms of rock failure and randomicityof engineer loads.

各種地質(zhì)作用不僅使巖體具有不連續(xù)日韩国产欧美精品毛片、非均質(zhì)和各向異性等固有特性，導(dǎo)致巖體參數(shù)表現(xiàn)出較大的變異性九九99re热久久久久久精品，還決定著巖體破壞形式的不確定性和工程荷載條件的隨機(jī)性久久久91精品国产一区传媒。

The organic laminae in the argillaceous limestone and dolomitic mudstone of lower Cretaceous are abundant in Jiuquan basin, but it′s heterogeneity is obvious that mainly shows that the difference of laminar algal contents are very large between the same formation and different areas and same well and different depth.

酒泉盆地下白堊統(tǒng)紋層狀泥質(zhì)白云巖和白云質(zhì)泥巖中有機(jī)紋層結(jié)構(gòu)發(fā)育，但非均質(zhì)性很強(qiáng)黄色网站欧美A，主要表現(xiàn)在相同層位不同地區(qū)及同一鉆井不同深度藻紋層的含量懸殊黄色网站一级中文。

Sulige Gas Field has low porosity, low permeability, low abundance, strong heterogeneity, complicate geological condition and is not very good at effective sand body continuity and connectivity, and so on. It is observed that gas well productivity of this gas reservoir is low, formation energy supply not enough, single well drainable gas is finite.

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