红色郁金香的倩影被绒缎般光滑的玫瑰原精、忍冬、栀子花瓣及夜来香的触感浓浓围绕。
Middle Notes: The signature core of whimsical Red Tulips is surrounded by a velvety array of Rose Absolute, Wild Honeysuckle, Gardenia Petals and a touch of Tuberose.
研究人员在本周的《当代生物学》上报道说，贝塔微精原蛋白是第一种在海洋动物中发现的能够激发进攻性本能的化学物质。
microseminoprotein is the first aggression-triggering compound found in marine animals, the researchers reports this week in Current Biology.
主要观察指标：隐睾的形态学变化，精原干细胞分选结果。
MAIN OUTCOME MEASURES: the morphological changes of cryptorchidism, and the sorting results of spermatogonial stem cells.
采用硅藻原土代替硅藻精土作为微生物载体处理城镇污水具有较好的处理效果。
The feasibility of using raw diatomaceous earth(DE)instead of refined DE as microbial carrier to treat municipal wastewater was investigated.
精原干细胞的成功培养为今后重建完整的生精细胞系的治疗性移植和对这类定向干细胞的发育及分化潜能的研究提供了细胞模型。
The cultivation of SSCs may provide an ideal cell model for the research of committed stem cells' development and differentiation, which can be applied in remedial transplantation.
目的：建立体外研究精原干细胞与支持细胞共培养的细胞模型，探讨体外精原干细胞在支持细胞层上的增殖特点。
Objective: to construct cell model of spermatogonial stem cells (SSCs) with Sertoli cell layer in vitro, and study the proliferation characteristic of SSCs in vitro.
目的以原代培养小鼠骨髓基质细胞为饲养层，探讨精原干细胞能否在该饲养层上生长及生长的影响因素。
To study whether spermatogonial stem cells can grow on the feeder layers of bone marrow stromal cells, and their effecting factors in vitro.
结果原代的小鼠培养骨髓基质细胞能很好的维持精原干细胞的非分化性扩增。
The feeder layers of bone marrow stromal cells allowed spermatogonial stem cells to proliferate well and remain undifferentiated.
本文就近年来胚胎干细胞和精原干细胞在男性生殖中的研究进展作一介绍。
This article reviews recent advances in studies of the use of embryonic stem cells and spermatogonial stem cells in male reproduction.
目的：建立精原干细胞的培养方法并对培养细胞的生物学特征进行研究。
Objective: To investigate the culture methods of rabbit spermatogonial stem cells (SSCs) and their biological characteristics in vitro.
选用精、中矿和原、尾矿两个标准系列。
建立完善的精原干细胞体外培养体系，为精原干细胞的体外大量扩增提供技术和方法，为治疗男性不育症等提供相关技术。
Finally, to establish the culture system of spermatogonial stem cells in vitro and to offer the therapy technique for the male sterility.
应用细胞化学、免疫组织化学方法研究了体外培养小鼠精原干细胞的细胞化学和免疫组织化学特性。
Cytochemical and immunohistochemical characteristics of spermatogonial stem cell of culture in vitro were studied with cytochemistry and immunohistochemistry.
指出了精锻汽车差速器半轴齿轮原模具结构存在的问题，提出了新型模具结构。
The problems existing in the previous structure of the fine forging die for differential half axle gears of automobiles were pointed out, and a new_type die structure was put forward.
北京中电华强焊接工程技术有限公司（WTEC）简称“中电华强”，是在原北京精艺焊接公司的基础上改制，于2000年成立。
Wise Welding Technology & Engineering Co. , Ltd, WTEC for short, established in 2000, restructured on the basis of formerly company named Beijing Jingyi Welding Company.
此方法借助于验证精原干细胞迁移的器官培养体系。
The method depends on an organ culture system onto which SSCs are transplanted.
支持生猪原良种场建设，加大生猪冻精补贴力度。
Support renovating of the original pig breeding farms and increase the subsidies for pig semen refrigeration.
因此，体外体系的建立也能用于修正或改进微环境条件使其满足鼠科动物精原干细胞系的生精发生需求。
Thus, an in vitro system is established that can be used to correct or manipulate the micro-environmental conditions required for proper spermatogenesis from murine SSC lines.
本文对精原干细胞的生物学特征，移植技术及其在医学领域的应用前景进行展望。
In this article, we show the the biology characteristic of SSCs, the transplantation technique and t...
天然环保：原淀粉提炼精成，无甲醛。
Natural environmental: Extracted from native starch, formaldehyde-free.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
我们的实验证实，在老鼠精原干细胞中，miR-34c通过与Nanos2+相互作用可能促 进减数分裂导致 Stra8 的上调。
Our experiments identified that miR-34c may promote meiosis process by interacting with Nanos2 leading up-regulation of Stra8 in mouse spermatogonial stem cells.
在老鼠中，我们研究发现miR - 34 c靶向作用Nanos2 +调节精原干细胞的分化。
We found that a conserved microRNA-34c through its target-Nanos2, regulating SSCs' differentiation in mouse.
然而仍然不清楚miR - 34和哺乳动物精原干细胞(SSCs)之间的关系。
However, it is still unclear what the relationship is between miR-34c and mammalian spermatogonial stem cells (SSCs).
目的：探索及完善精原干细胞的分离、鉴定和体外培养技术；
Objectives:To establish the culture system of spermatogonial stem cells in vitro;
目的：探索及完善精原干细胞的分离、鉴定和体外培养技术；
Objectives:To establish the culture system of spermatogonial stem cells in vitro;
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