非整倍體 的英文怎麼說
中文拼音 [fēizhěngbèitǐ]
非整倍體
英文
aneuploid非整倍體種 dysploidion-
A typical red supergiant could be about 100 times larger than the red giant. its surface temperature is low while the total luminosity remains high, with absolute magnitude up to - 10 comparing to 4. 8 of our sun
典型的超紅巨星比普通紅巨星大上100倍,雖然表面溫度低,但整體光度仍然非常高,絕對星等可達- 10太陽的絕對星等只有4 . 8 。Aneuploid describes chromosome numbers which are not multiples of the haploid number (n).
非整倍體所描述是單倍體數目(n)並非成倍增加。According to this, the phase - matching conditions, effective nonlinear coefficients, acceptances of angle and wavelength for biaxial " crystals have been discussed in detail. thermal lens effect is an important factor which affects the quality of laser beam and the amount of output power
實驗上,採用了雙軸晶體lbo作為倍頻晶體,因此對雙軸晶體相位匹配、有效非線性系數的計算、允許角、允許波長給出了較完整的分析。Aneuploidy the condition, resulting from nondisjunction of homologous chromosomes at meiosis, in which one or more chromosomes are missing from or added to the normal somatic chromosome number
非整倍性:在減數分裂的過程中同源染色體不分離而造成的一條或多條染色體的缺失或增加。An aneuploid state in which a third homologous chromosome is present in addition to the normal autosomal pair is called trisomy.
除了正常染色體對以外,還存在有第二種同源染色體的非整倍體狀態,被稱為三體性。Development in molecular biological methodology of prenatal diagnosis of chromosome aneuploidy
產前診斷胎兒非整倍體的分子生物學方法進展Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n )
非整倍體所描述是單倍體數目( n )並非成倍增加。Fish study of human oocytes failed to fertilize in vitro characterised with chromosome 21 aneuploidy
技術研究人類體外未受精卵的21號染色體非整倍體Bsr : what first got you interested in looking at the possibility that aneuploidy might cause cancer
什麼原因促使你注意到非整倍體可能是癌癥的原因?Because gvs can be exchanged between oocytes of different quality or age, it is expected that gv transfer may be used to solve genetic or developmental anomalies in oocyte maturation, e. g. the increased incidence of aneuploidy in oocytes of women of advanced age
由於可以在不同質量和年齡的卵母細胞之間進行gv互換,人們期望應用gv移植來解決卵母細胞成熟時呈現的遺傳或發育異常即老齡婦女卵母細胞非整倍體性的增加。Abstract : some problems related to “ variation of chromosome number ” in some teaching materials of genetics are presented in this article. these problems are involved in some conceptions such as haploid, chromosome set and aneuploid that are defined unclearly and confusedly in these books
摘要指出了高校有關遺傳學教材「染色體數目變異」一節中,部分概念如單倍體、染色體組、非整倍體等存在的概念表述不清、前後矛盾等問題,並提出了相應的修改意見。Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。Digital down converting is one of the key technologies of software radio. it can improve the efficiency and reliability of communications. lt is also important to realize software radio receivers. the paper focuses on the technologies involved in digital down converting, such as integer sampling - rate conversion, non - integer sampling - rate conversion and carrier frequency offset estimation algorithm. on the base of these, the paper analyzes applications of digital down converting in the hsp50214b programmable downconverter. the hardware and sofeware of the application of digital down converting are also introduced
數字下變頻技術是軟體無線電中的關鍵技術之一。該技術不僅有助於提高通信的有效性和可靠性,還對實現真正的軟體無線電臺有著重要的意義。本文對數字下變頻所涉及整數倍采樣率轉換、非整數倍采樣率轉換和載波初始頻差估計校正作了較深入的研究,並提出了一些實用高效的實現結構和演算法。分享友人