通常指两个位于胚囊中间的单倍体核,他们可能融合形成一个二核的中央细胞。
Polar nuclei The, usually two, haploid nuclei found midway along the EMBRYOSAC, forming a binucleate central cell. They may fuse to form the diploid definitive nucleus.
在2008年八月,v1309发生了最后的裂变,两个星核也终于合二为一,其发光的亮度也随之急剧提升。
V1309's final burst then occurred in August 2008 when the stars' cores finally became one and its brightness increased rapidly.
虽然扩大核能发电规模可能减少二氧化碳排放,但也意味着会在多得多的国家,产生多得多的富集核材料。
Though this might mitigate carbon dioxide emissions, it will mean a lot more enriched nuclear material generated and in many more countries.
欧盟各国外长星期二仍旧坚持认为,会谈是解决伊朗核僵局的唯一途径。
European Union ministers remained adamant Tuesday that talks were the only way to solve the impasse over Iran's nuclear program.
二是如何迈出无核化进程的第一步,包括实施核冻结及其他方采取对应措施。
The second one is how to start the first step of the denuclearization process, including implementing nuclear freezing and corresponding measures to be taken by other parties.
NOVA被视为一个第三代微核,它的前辈包括Mach和Chorus(第一代微核)以及L4(第二代微核)。
NOVA is considered a third-generation microkernel. Its predecessors include Mach and Chorus (first-generation microkernels) as well as L4 (a second-generation microkernel).
在Core2Duo上,第二个核将固定的运行基准从3731ms提高到了6574ms,或者说增加了176%。
With the Core 2 Duo, that second core increased the runtime of the fixed work benchmark from 3731 ms. to 6574 ms. or a factor of 176%.
由于投资者担心日本可能发生一场核灾难,亚洲、欧洲和美国股市星期二出现普遍的股票抛售,股市急剧下跌。
Stock markets in Asia, Europe and the United States plunged Tuesday in a broad sell-off as analysts said investors feared the possibility of a nuclear catastrophe in Japan.
法国成为继美国之后第二个支持印度加入核供应国集团(nsg)的国家。
France became the second country after the US to support India's membership in the Nuclear Suppliers Group (NSG).
奥巴马对星期二前来的代表们说,核袭击的风险已经在上升。
President Barack Obama told delegates Tuesday that the risk of a nuclear attack has risen.
方案的空间结构为一带、二核、三区。
The spatial structure of this project is composed of one belt, two cores and three districts.
本文讨论了在预复合反应的“一、二、无穷大”模型中有限核大小效应的影响。
The influence of limited nuclear size effect to "One, two, infinity" model for precompound reactions is discussed.
武汉市岩溶地面塌陷发生在具二元结构的北东向长江一级阶地与近东西向褶皱构造向斜核部碳酸岩盐地层相交的部位。
The karst surface collapse in Wuhan happened at the intersection between the ne first terrace binary-structured deposits of Yangtze River and carbonate in the core of E-W syncline.
叶绿体遗传化和核遗传化技术均已是比较成熟的植物遗传转化技术,然而二者的适用范围和优缺点却不相同。
Chloroplast genetic transformation technique and nucleus genetic transformation technique are mature enough for plant genetic transformation, but both vary in use and effect due to their characters.
描述了一种核探测器二线制电路的原理和性能,并应用于核料位计中,与传统的多线制探测器相比有明显的优越性。
The principle and function of a kind of two lines system circuit in nuclear detector has been described, and it has been applied in nuclear level gauge.
在第二章中,我们采用截断多项式函数为核函数,解析的给出点、直线段、圆弧、二次曲线和三角面片等骨架的势函数。
In chapter two, using piecewise quartic polynomial as kernel function, we give analytical convolution solutions for points, line segments, arcs, quadratic Bezier curves and triangle segments.
但又分一价名词组成的名核结构和二价名词组成的名核结构两种情况。
Divide one price name nuclear structure and two price nuclear, two kinds of situations of structure of name that noun makes up.
采用正交设计从遗传毒理学效应角度探讨了有机化合物苯、甲苯、二甲苯对小鼠骨髓细胞微核联合毒作用之间的关系。
From the side of genetic toxicology, Using orthogonal design method, we studied the joint effect of benzene, Toluene and xylene on the mice small bowel micronucleus.
应用二次脉冲电流,改变电阻焊熔核的金属组织结构,达到提高焊接强度的目的。
The twice impulse process is employed to change the metallic structure of the resistance welding so as to improve the welding strength.
本文基于非参数回归模型的局部核权最小二乘法提出变量间非线性协整的一种非参数检验方法。
Based on the locally kernel weighted least squares fit of the nonparametric regression models, this paper presents the nonparametric testing method for nonlinear cointegration.
细胞学观察表明,6一dmap阻止了纺锤体的形成和染色体的移动,导致一个融合的二倍性雄性原核的形成。
According to Cytological observations, 6-dmap disrupted the spindle at mitosis and inhibited chromosome movement, resulting in the formation of one diploid male nucleus.
细胞学观察表明,6一dmap阻止了纺锤体的形成和染色体的移动,导致一个融合的二倍性雄性原核的形成。
According to Cytological observations, 6-dmap disrupted the spindle at mitosis and inhibited chromosome movement, resulting in the formation of one diploid male nucleus.
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