后生动物

多孔柔性悬浮填料，一方面，提高了对膜表面的冲刷作用，减少膜表面的沉积层；另一方面，增加了原生动物和后生动物在MBR中的数量，有效地减轻了膜污染。

On the other hand , it increased the number of protozoa and metazoa in MBR , which played an effective role in fouling control of the membrane .

镜检发现，运行30d后，污泥中丝状菌增多，原生动物和后生动物数量和种类减少。

The microscope examination showed after 30 days ' operation , filamentous bacteria in the sludge increased , while quantity and type of protozoon and metazoa reduced .

结果表明：PFU中的原生动物主要是纤毛虫，微型后生动物主要是轮虫和水蚤。

The results show that there are protozoa ( main infusorian ) and mini-metazoa ( rotifer and daphnia ) communities in PFU .

在本实验中，我们发现DRG-1是一个在后生动物中保守的基因，而且在同源基因的启动子区域都含有一个NF-κB的结合位点。

In this study , DRG-1 was identified to be a conserved gene in metazoans and share NF - κ B binding sites with its homologues in their promoters .

Caspase是一类与凋亡密切相关的蛋白水解酶家族，以Caspase前体酶原的形式存在大多后生动物的细胞中。

Caspase belongs to proteolytic enzymes family closely related to cell apoptosis , which exists in most metazoan cells as its preemzyme and plays an important role in apoptosis .

主要后生动物门类化石在寒武纪初期的突然出现记录了生命史中一个从未有过的快速演化时期，这一事件被称为“寒武纪爆发（Cambrianexplosion）”。

The sudden appearance of the major animal phyla of metazoa in the fossil record apparently records a phase of rapid evolution at the base of the Cambrian period and this has become known as the " Cambrian explosion " .

TCP不同投加方式减量系统中的微生物种群结构发生了变化，原生动物和后生动物等的指示性微生物在种类和数量上都有一定程度的降低，污泥絮体也变得较疏松。

Microbial reduction of population structure changed in the TCP sludge reduction system with different dosage mode , such as protozoa and metazoa instructions in the type and number of microorganisms on a certain level of reduction , sludge flocs were also becoming looser .

最后给出了整个系统的流程图，对原图像进行等分分块，结合MFC机制下的多线程技术，实现水中微生物显微图像中原生和后生动物的自动提取。

The flowchart of system will be presented at last . The original image will be partitioned equally , combining with the multithread technique of MFC , realizing the automatically extract protozoan parasite from the microscopic images .

尽管eya和so在后生动物发育中的地位如此重要，但目前对其调节及其作用的机制却知之甚少。

Despite their vital roles in metazoan development , much remains to be learned about the mechanisms of Eya and So regulation and function in vivo .

vasa基因可在许多后生动物生殖系细胞中特异性的表达，因此被广泛用作生殖细胞的分子标记物，在动物生殖细胞发生和生殖调控等研究中起到了重要的作用。

Vasa gene is specifically expressed in germ-line cells of many metazoans . At present , vasa gene has been extensively used as a specific molecular marker of germ-line cells and played an important role in the research of gametogenesis and reproductive regulation .

G-BAF的载体表面附着有大量的细菌以及多种形态的原、后生动物，增强了对氮、磷及难降解有机物的去除能力。

There are lots of bacteria , protozoan and metazoan species immobilized on the carrier surface in G-BAF , which can enhance the removal effect of nitrogen , phosphorus and refractory organic compounds .

在这些微生物中，原生动物和后生动物具有非常重要的指示作用。

The protozoan and metazoan play an important role in microbe .

后生动物起源时间的分子钟研究

Molecular clock studies on the divergence time of the early metazoans

这些后生动物似乎已显示高度发育的行为。

As a guess these metazoans seem already to show highly developed behaviour .

后生动物的细胞发育过程曾经认为是一个不可逆的过程。

The development process of metazoan was once regarded as an irreversible process .

黑龙江省鸡西麻山群后生动物化石

Metazoa fossils from Mashan Group near jixi , Heilongjiang

这些基因很可能与后生动物的多细胞化和早期进化有密切关系。

These genes may be closely related to the early evolution of metazoan .

后生动物遗迹的拓扑结构与演化

Topologic architecture and evolution of metazoan trace fossils

湖北峡东地区震旦纪软躯体后生动物化石的发现及其意义

Discovery of soft metazoan from the Sinian system along eastern Yangtze gorge , hubei

后生动物起源与进化的分子系统学研究进展

New advances in the study of molecular phylogeny on the origin and evolution of Metazoa

随着进程，出现藻类后，逐渐出现原生动物、后生动物。

As the process moved forward , Protozoa and metazoan gradually appearance after algae appeared .

拥有比后生动物更不专业的细胞的多细胞有机体；包含独门的多孔动物。

Multicellular organisms having less-specialized cells than in the metazoa ; comprises the single phylum porifera .

要从总磷的去除率去区分原后生动物的话基本上不大可能。

To distinguish between the removal rate of phosphorus from the original words of metazoan basically unlikely .

星虫动物属于海洋生物中的一个小门类，自1555年被记载以来，其在后生动物中的分类地位就备受争议。

Although the group was first documented in 1555 , their taxonomic position within Metazoan is controversial .

研究结果表明，生物相组成中占主要的原生动物和后生动物是钟虫、轮虫、累枝虫和变形虫等，并有大量丝状细菌，硝化菌出现；

The majority of microorganisms were found to be threadlike bacteria such as nitrobacteria and protozoan and metazoans .

最后，初步讨论了区内软躯体动物和具骨骼等后生动物的起源。

Finally , this paper discussed the origin of soft body animals and the ones with skeletal organisms .

同时由于泥龄长，系统内出现大量原生和后生动物。

Meanwhile , a large amount of Protozoa and metazoan appeared in the system due to long sludge age .

我们发现与神经递质灭活相关的基因在后生动物中具有强而稳定的保守性而在单细胞生物中几乎完全缺失。

We founded that genes related to neurotransmitter inactivation share high and stable similarity in metazoan and absent from pan-unicellular eukaryotes .

研究了一种后生动物&颤蚓对丝状细菌引起的活性污泥膨胀的控制效果。

The tubificidae , one type of metazoa was chosen to control activated sludge bulking which was caused by filamentous bacteria .

而主要依据其中间壁的纹饰形态所得出的该种为后生动物休眠卵的认识与目前结果并不矛盾。

The proposed resting-egg nature of T.ornata , mainly based on the ornament type of the middle wall , cannot be excluded .