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细胞发育
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  cell development
     Control of CD4~+CD25~+ Regulatory T Cell Development and Funcition by the Critical Gene-Foxp3
     介导CD4~+CD25~+调节性T细胞发育与功能的一个关键基因———Foxp3
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     Early T Cell Development in Gene Targeted Mutant Mice
     基因打靶突变小鼠的早期T细胞发育
短句来源
     Pax 5 gene is important transcription factor in B lymphopoiesis and B cell development.
     pax 5基因是B细胞生成和B细胞发育中的重要转录因子。
短句来源
     Objective To investigate the role of CD45 molecule in γδT cell development.
     目的探讨CD45分子在γδT细胞发育过程中的作用。
短句来源
     To investigate the role of CD45 protein tyrosine phosphatase in γδ T cell development, we exa mined whether Vγ3 dendritic epidermal T cells (DETC), a subset of γδ T cells uniquely reside in the murine epidermis were altered in the CD45 gene deficient mice.
     为探讨CD45蛋白酪氨酸磷酸酶在γδT细胞发育过程中的作用,观察CD45基因敲除变种鼠体内树突状表皮T细胞(DETC)等γδT细胞。
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  cell developmental
     Relationship between cell developmental stage and shikonin formation in cell culture of Lithospermum erythrorhizon
     紫草组织培养中细胞发育时期与紫草宁形成关系的研究
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     Conclusion:According to the standard of Flint, PbAc can be a specific inhibitor of brain cell differentiation, its brain cell developmental toxicity is related to the inhibition of cell proliferation and differentiation.
     结论:按 Flint 评价标准,醋酸铅是脑细胞分化的特异抑制剂,它的脑细胞发育毒性与抑制细胞的增殖和分化有关。
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  “细胞发育”译为未确定词的双语例句
     The rates of reconstructed embryos from tail-tip cells and fetus fibroblast cells developed to 2-cell stage were 41.68% (5/12) and 27.94% (19/68), and to morula stage were 0% (0/12) and 5.88% (4/68) respectively.
     胎儿成纤维细胞供核组的2-细胞发育率为27.94%(19/68),桑葚胚发育率为5.88%(4/68)。
短句来源
     During the whole development, 54kD、 47kD、 41.21kD、 38.4kD proteins were shared consistent change.
     整个细胞发育时期,54kD、47kD、41.2kD、38.4kD等蛋白具有基本一致的变化。
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     Expression of protein kinase Cα in developing retinal rod-bipolar cells in vitro
     蛋白激酶Cα亚型在视网膜视杆-双极细胞发育过程中表达规律的体外实验研究
短句来源
     Conclusions Although CD45 molecule is crucial for the development of αβT cells,this molecule is not necessary for the thymic maturation of γδT cells including Vγ3 DETC and Vγ2 T cells.
     结论CD45分子虽在αβT细胞发育中起重要作用,但对包括Vγ3DETC及Vγ2T细胞在内的γδT细胞之成熟过程可能并非必需
短句来源
     In addition to strong IFN-γ inducing activity, IL-18 is able to induce production of Th1 cytokines such as GM-CSF, IL-2 and TNF-α to promote proliferation, development and differentiation of Th1 and activation of NK.
     除诱导细胞产生IFN-γ外,IL-18还能诱导GM-CSF,IL-2及TNF-α等其他Th1型细胞因子的产生,具有促进Th1细胞发育、增殖和分化以及增强NK细胞活性产生抗肿瘤作用。
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  cell development
We also found that substrates with different adhesional characteristics may determine cell development towards one or the other phenotype.
      
These results suggest that intrathymically injected MTEC1 cells could induce T lineage cell development and functional maturation in the intact thymus.
      
These data suggest for the first time that orphan receptor TR2 may have an important function in regulating spermatogenesis at later stages of germ cell development in rhesus monkey.
      
These results indicated that the lower level of cell development and differentiation happened in the rotation group.
      
These compatible messengers might be the communication factors between intracellular and extracellular regions or among the cell populations, and are also important in regulating cell development procedure.
      
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  development of cell
The spheroid microarray technique appears to be promising in the development of cell chips and microbioreactors.
      
Evolving paradigms include the development of cell and gene therapies.
      
major-healed mice, as well as defining parasite factors that may block the development of cell-mediated immunity.
      
This article describes the development of cell-free transcription systems from the cultured cells and fat body tissues of a Lepidpteran insect, the silkworm,Bombyx mori.
      
The development of cell-free repair systems using radiolabeled nucleotide to monitor repair synthesis of exogenously introduced damaged-plasmid DNA has enabled the analysis of specific proteins required for repair synthesis.
      
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  cell developmental
B lymphocytes learn through the interaction of the B cell receptor with antigens in the context of B cell developmental stage and environmental cues.
      
cDNAs revealing differential expression were further selected using labeled samples derived from lymphoid versus non-lymphoid tissues, and from mutant thymi exhibiting T-cell developmental defects.
      
It follows that, under certain circumstances, the definitive oocyte can switch to the nurse cell developmental pathway and therefore that a mechanism normally exists for preventing the further replication of its DNA.
      
In the most posterior portion of the germarium one of the two potential oocytes switches to the nurse cell developmental pathway.
      
The tumors formed from the inocula comprised a variety of differentiated tissues and thus showed persistence of stem-cell developmental pluripotency despite mutagenesis and selection.
      
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本文报告大豆(品种为“丰地黄”)胚和胚乳发育的过程。大豆胚的发育基本上属十字花型(柳叶菜型)。因为合子首先进行横分裂,结果形成由顶细胞和基细胞构成的二细胞胚。顶细胞首先进行纵裂,成为胚体细胞的基础,基细胞发育成胚柄,而不参加胚体的形成。大豆胚柄由多列细胞組成,而十字花型(柳叶菜型)的典型代表 Capsella bursa-pastoris 和 Ludwigia palustris 的胚柄由一列细胞构成,因此与它们有明显区别。在由基细胞发育成由多列细胞粗成的胚柄过程中,观察到细胞的液泡化和后来液泡消失的过程。大豆传粉后两昼夜可见合子分裂形成二细胞胚。传粉后三天发育成3—8个细胞的胚。传粉后五天形成约由30—40个细胞组成的小圆球胚。传粉后八天发育成由更多细胞组成的大圆球胚。到传粉后十二天可以看到顶端扁平的胚,以及子叶、胚根和胚轴的分化。大豆胚乳的发育属核型。由受精的极核分裂成游离胚乳核,游离核以有丝分裂方式繁殖。它的最初几次有丝分裂是同时进行的,分裂速度与胚细胞分裂速度大体上相同。在胚乳发育过程中我们未见到无丝分裂现象,但尚不能断定在大豆胚乳发育过程中没有无丝分裂过程,因为我们固定材料时...

本文报告大豆(品种为“丰地黄”)胚和胚乳发育的过程。大豆胚的发育基本上属十字花型(柳叶菜型)。因为合子首先进行横分裂,结果形成由顶细胞和基细胞构成的二细胞胚。顶细胞首先进行纵裂,成为胚体细胞的基础,基细胞发育成胚柄,而不参加胚体的形成。大豆胚柄由多列细胞組成,而十字花型(柳叶菜型)的典型代表 Capsella bursa-pastoris 和 Ludwigia palustris 的胚柄由一列细胞构成,因此与它们有明显区别。在由基细胞发育成由多列细胞粗成的胚柄过程中,观察到细胞的液泡化和后来液泡消失的过程。大豆传粉后两昼夜可见合子分裂形成二细胞胚。传粉后三天发育成3—8个细胞的胚。传粉后五天形成约由30—40个细胞组成的小圆球胚。传粉后八天发育成由更多细胞组成的大圆球胚。到传粉后十二天可以看到顶端扁平的胚,以及子叶、胚根和胚轴的分化。大豆胚乳的发育属核型。由受精的极核分裂成游离胚乳核,游离核以有丝分裂方式繁殖。它的最初几次有丝分裂是同时进行的,分裂速度与胚细胞分裂速度大体上相同。在胚乳发育过程中我们未见到无丝分裂现象,但尚不能断定在大豆胚乳发育过程中没有无丝分裂过程,因为我们固定材料时间间隔较长。在较大圆球胚时胚乳开始形成细胞壁,细胞壁的形成过程自胚端开始,逐渐及于合点端。在子叶分化时胚乳细胞壁开始破坏,其过程也是自胚端(珠孔端)开始,逐渐及于合点端。在胚乳细胞退化时看到有巨大核和比正常胚乳核小的、梭形退化的胚乳核。

It may be a reliable and convenient way to ascertain the age of an armyworm mothaccording to the morphological characteristics of its reproductive system. The develop-ment of the reproductive systems in both sexes beginning from the prepupa stage wasstudied. Under constant temperature of 25℃, differentiation of the reproductive systemsin both sexes is completed on the fifth day of the pupal stage. However, the maturitystage of germ cells is different in both sexes. The spermatids are observable at thetime of...

It may be a reliable and convenient way to ascertain the age of an armyworm mothaccording to the morphological characteristics of its reproductive system. The develop-ment of the reproductive systems in both sexes beginning from the prepupa stage wasstudied. Under constant temperature of 25℃, differentiation of the reproductive systemsin both sexes is completed on the fifth day of the pupal stage. However, the maturitystage of germ cells is different in both sexes. The spermatids are observable at thetime of adult emergence, whereas the oocytes could ripen only after the female moth hadtaken proper food. The development of eggs in the adult ovarioles may be divided intofour stages: (1) transparent opalescent stage, (2) yolk deposition stage, (3) mature stageand (4) post-oviposition stage. These four different stages may serve as the stand-ards for age determination of the female moths. The phenomenon of coalescence of thetestes was observed in the male pupa. In the adult stage the volume of the testes gra-dually decreases due to the elimination of sperm bundles. After emergence there was nodistinct change in the external appearance of the male reproductive system of differentages, so that age determination in male moths was difficult.

根据粘虫生殖系统发育过程中的形态变化来区分雌蛾的日龄,是较为可靠和方便的方法。我们从前蛹期开始,研究粘虫雌雄两性生殖系统发育的形态发生过程,在25℃恒温条件下,粘虫雌雄两性内生殖系统的分化在蛹期第五天基本上完成。而生殖细胞发育成熟的时期则雌雄各不相同,雄性精子在成虫羽化时便已发育完成,雌性卵子必须在成虫羽化取食补充营养后方能发育成熟。我俩将粘虫雌蛾卵巢的发育分为4个时期:即(1)乳白透明期,(2)卵黄沉积期,(3)成熟期,(4)产卵后期。卵巢的发育情况可以作为鉴别雌蛾日龄的标准之一。雄性粘虫的睾丸在蛹期有合并现象,井由于排精体积逐渐缩小。由于羽化后雄蛾的生殖系统外形上无特别明显的变化,所见较难判断它的日龄。最后比较了卵粒的发育成熟与咽侧体活动以及飞翔、交配、产卵等的关系。

In the present study, a series of experiments was carried out to test the effects ofdifferent diets on the development of ovaries of the adult housefly. Three kinds of dietswere used in the experiments. They were: (1) 10% sucrose solution; (2) hen's eggsolution (one part of egg and three parts of water) plus 10% sucrose solution; (3) thesynthetic diet which was prepared according to the components of hen's egg, consistingof arachis oil, sucrose, vitamin B_1 and B_2, nicotinic acid, cholesterol, calcium phosphate,ferric...

In the present study, a series of experiments was carried out to test the effects ofdifferent diets on the development of ovaries of the adult housefly. Three kinds of dietswere used in the experiments. They were: (1) 10% sucrose solution; (2) hen's eggsolution (one part of egg and three parts of water) plus 10% sucrose solution; (3) thesynthetic diet which was prepared according to the components of hen's egg, consistingof arachis oil, sucrose, vitamin B_1 and B_2, nicotinic acid, cholesterol, calcium phosphate,ferric phosphate and amino acid mixture (including arginine, histidine, lysine, isoleucine,leucine, phenylalanine, threonine, valine, tryptophane, methionine, glutamic acid, tyrosine,aspartic acid, cystine, alanine and glycine) plus 10% sucrose solution. In flies fed with hen's egg plus 10% sucrose solution, the ovaries developed nor-mally, the complete ovarian maturation occurred on the fifth and the eggs were laid onthe sixth day following emergence. The longevity of female flies was up to 55 days. The ovaries in the housefly are of the polytrophic type containing numerous ovarioles.Only one egg from each ovariole matures at one time and all the eggs in one fly areat the same stage of development. According to the size of the ovary and ovariole,amount of yolk deposited and the morphological alteration of the ovum and nurse cells,five more or less clear-cut stages of ovarian development have been established. In flies fed with sucrose solution, ovarian growth ceased at an early stage (stage Ⅱ). In flies fed with synthetic diets, the condition of the development of ovaries wasalmost the same as those flies fed with hen's egg solution, except the length of life wasslightly shorter (35 days in average). Therefore this defined diet is a nutritionally suf- ficient diet for maintaining the life of the adult housefly as well as for its ovariandevelopment. The main purpose of the present studies was to test the egg production of thehousefly on a synthetic diet in which the protein was replaced by amino acids and todetermine the so-called indispensable amino acid requirements for the development ofovaries of the adult housefly. It was found that arginine, lysine, tryptophane, phenyl-almine, threonine, leucine, isoleucine and valine are needed for ovarian development.The absence of any one of these eight amino acids apparently prevented the formationof eggs. As the ovaries could develop normally on histine- or methionine-free diets, itis assumed that the development of ovaries is not prevented by the omission of any ofthese amino acids from diet.

本研究以10%蔗糖水,鸡蛋液加10%蔗糖水,及以16种氨基酸代替鸡蛋液中的蛋白质所配合成的试验饲料加蔗糖水,分别饲养家蝇,作为营养物质与卵巢发育关系的试验。试验结果证明:家蝇单取食蔗糖水,卵巢不发育;取食鸡蛋液加蔗糖水,卵巢正常发育;取食配合的试验饲料加蔗糖水,卵巢亦能正常发育。 取食鸡蛋液加蔗糖水的雌蝇,羽化后5天,卵巢发育完成,第6天产卵。其寿命可达55天。这种食物满足了家蝇成虫正常生活及繁殖的需要。根据卵巢发育过程中卵巢管的变化,卵母细胞和滋养细胞的发育变化情况,卵巢的发育可明显地区分为五个阶段。本试验以这样的五个发育阶段作为营养物质与卵巢发育关系的根据。 单取食10%蔗糖水的雌蝇,卵巢仅发育到第Ⅱ阶段,即停留在卵母细胞分化初期,卵黄未开始形成的阶段。 取食试验饲料的家蝇,其寿命平均35天;在卵巢发育过程中,其增长程度与取食鸡蛋液者相似,最终卵巢直径较取食鸡蛋液者略小,但差异不显著,能正常产卵,并能正常孵化,其后代均能正常生长发育及繁殖。这个试验结果证明:配合的试验饲料完全可以代替作为家蝇食物的鸡蛋液,并可作为家蝇食物中某种氨基酸的存缺与卵巢发育关系的试验饲料。 在这种配合饲料的基础上,分别除去其中十种...

本研究以10%蔗糖水,鸡蛋液加10%蔗糖水,及以16种氨基酸代替鸡蛋液中的蛋白质所配合成的试验饲料加蔗糖水,分别饲养家蝇,作为营养物质与卵巢发育关系的试验。试验结果证明:家蝇单取食蔗糖水,卵巢不发育;取食鸡蛋液加蔗糖水,卵巢正常发育;取食配合的试验饲料加蔗糖水,卵巢亦能正常发育。 取食鸡蛋液加蔗糖水的雌蝇,羽化后5天,卵巢发育完成,第6天产卵。其寿命可达55天。这种食物满足了家蝇成虫正常生活及繁殖的需要。根据卵巢发育过程中卵巢管的变化,卵母细胞和滋养细胞的发育变化情况,卵巢的发育可明显地区分为五个阶段。本试验以这样的五个发育阶段作为营养物质与卵巢发育关系的根据。 单取食10%蔗糖水的雌蝇,卵巢仅发育到第Ⅱ阶段,即停留在卵母细胞分化初期,卵黄未开始形成的阶段。 取食试验饲料的家蝇,其寿命平均35天;在卵巢发育过程中,其增长程度与取食鸡蛋液者相似,最终卵巢直径较取食鸡蛋液者略小,但差异不显著,能正常产卵,并能正常孵化,其后代均能正常生长发育及繁殖。这个试验结果证明:配合的试验饲料完全可以代替作为家蝇食物的鸡蛋液,并可作为家蝇食物中某种氨基酸的存缺与卵巢发育关系的试验饲料。 在这种配合饲料的基础上,分别除去其中十种“必需氨基酸”中的某一种,分别用缺少一种“必需?

 
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