查询词典 delta

The main minable seamⅡ_1 belenged marshy sediment in delta plain.

认为山西组是在三角洲环境下形成的，主要可采煤层二1煤是三角洲平原上的沼泽沉积。

Express as a result that the study area gets close to hydrocarbon generation center, have high-quality coal measures hydrocarbon source rock along with big hydrocarbon generation intensity, so it has abundant gas source and the material foundation to form large scale natural gas reservoir; Evaporitic tidal flat facies of the Ordovician Majiagou Formation in this area is situated in the austral expanded range of the karstification zone, and is the optimum natural gas prospecting targets of the lower-Paleozoic; In the south of study area, there are well-developed delta deposition system sand bodies of Shanxi Formation and Xiashijezi Formation, hence this area becoming the most beneficial Neopaleozoic natural gas enriched region; In this area, the Paleozoic develop various concealed non-structured traps, the natural gas migration and accumulation process is very beneficial and both the cover and the conservancy condition are also very good.

结果表明：研究区紧邻上古生界生烃中心，发育优质煤系烃源岩，生烃潜力大，气源充足，具备形成大型天然气藏的物质基础；区内奥陶系马家沟组发育有蒸发潮坪相沉积，位于北部古潜台的向南延伸带上，是下古生界天然气的有利勘探目标；南部山西组和下石盒子组发育三角洲沉积体系砂体，是有利的上古生界天然气富集区；研究区古生界发育各种隐蔽性非构造型圈闭，天然气运聚成藏过程非常有利，封盖和保存条件也很好。

It was due to the national policy of opening to the outside world and the process of eco- nomic prosperity that the Changjiang River,s delta became a key area of national costruction in the 90s.

随着我国的改革开放，经济繁荣，长江三角洲地区逐步成为国家建设的重点区域，特别是90年代以来。

At the same time, the distribution mode of the strand shallow lake and the delta deposition system have been established in this region. The research on type and distribution regulation of subtle trap combining with geologic strata structure indicates that the south slope belt, ditch valley belt, Guangbei slope break and southwest of noselike conformation belt are the more advantageous belt to find subtle trap.

在层序地层格架内，通过古地貌研究和沉积体系研究，识别出低位沟谷带和坡折带等控制沉积的两种地貌，建立了本区滨浅湖沉积体系和三角洲沉积体系的分布模式，结合地层结构特点，对隐蔽圈闭类型及分布规律进行研究，指出南部斜坡带、沟谷带、广北坡折带及鼻状构造带西南端是寻找隐蔽圈闭的有利区带。

Recent data suggested that Notch receptors and their membrane-bound ligands Delta and Serrate were involved in both patterning and cell fate determination during odontogenesis.

越来越多的证据表明：Notch途径参与了牙齿发育的各个过程，包括牙齿早期发育细胞的增殖、分化过程，决定细胞的定向分化方向，决定成牙本质细胞与成釉细胞的终末分化命运，并且参与牙齿炎症损伤后修复过程，与第三期牙本质的形成有关。

Notch1 is expressed by stem cells resided in the cervical loop epithelium, and Notch signaling pathway play a central role in fate decision of those stem cells. Notch receptors and their ligands are involved in both patterning and cell fate determination during odontogenesis. Moreover, many cell factors, which are closely related with odontogenesis, could regulate expression of Notch receptors or their ligands.

既往研究显示：早在牙齿发育期，Notch1就表达于颈环星网状层的干细胞中，是其保持干细胞性质的重要机制；Notch-Delta信号还与成釉细胞、成牙本质细胞分化有关，被认为是牙齿发育细胞分化多样性的原因之一；另外，目前已明确与牙胚细胞分化有关的生长因子如TGFβ、FGF、BMPs等均可诱导Notch受、配体的表达。

In late September and early October 2002, 163 surface samples were grabbed from the Yangtze subaqueous delta within a range of 122°~123°E and 30°50'~31°50'N. Based on analyses of grain size, foraminifera, ostracoda, carbonate, organic carbon of surface sediments, the study area can be divided into two parts, i.

2002年9-10月在长江水下三角洲获取了163个表层样，综合粒度、有孔虫、介形类、有机碳以及CaCO3含量的资料表明，研究区明显分为两部分，即长江河口现代三角洲和晚更新世末期三角洲。

Among 90 positive clones in the 16S rDNA library of microorganisms, 23 OTUs were identified based on the similarity of the ARDRA banding profiles. Sequence analysis revealed diverse phyla of bacteria in the 16S rDNA library, which consisted of alpha, beta, delta subclasses of the Proteobacteria, Firmicutes, Actinobacteria, Bacteroidetes, Acidobacteria and Planctomycetes.

采用限制性内切酶HaeIII和RsaI对克隆文库中的90个克隆子进行了酶切分型，根据ARDRA酶切图谱的不同，可将其分为23个OTUs.16S rDNA序列分析结果表明，该克隆文库中主要包括变形菌门的alpha、beta、detla亚类、厚壁菌门、放线菌门、拟杆菌门、酸杆菌门及浮霉菌门等8类细菌及未培养细菌。

An early rift sequence is overlain by a large Late Cretaceous delta, which culminates with the mid-Campanian Rakopi Formation coal measures.

一个早期的裂谷层序上覆有一个较大的晚白垩纪三角洲，后者的顶层则是中坎佩尼阶拉科皮组煤系。

Research based on palaeobiology, seismic profile, electrical characteristics, drilling core observation, granularity and trace element data showed that the sedimentary facies type mainly has the alluvial fan, the delta, thelake, the floodplain and volcanic face.

综合古生物、地震剖面、岩性特征、岩心观察、薄片、粒度及微量元素等资料研究表明，沉积相类型主要有冲积扇、三角洲、湖泊、泛滥平原及火山岩相。

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％。