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However, chloroplast matK genes are indispensable since in nonphotosynthetic parasitic plant, Epifagus virginiana and fren, Adiantum capillus-veneris which chloroplast genome has rearrangememt, the chloroplast matK is functional even being a free-standing from with dismissed trnK exons.The chloroplasts of Psilotum, moss and liverworts all have trnK5'-matK-trnK3' structure, but it is found that matK is a pseudogene in hornwort Anthoceros formosae. Little is known in other lower land plants, it is the purpose of this thesis to examine the presence of chloroplast matK gene is these taxa.

叶绿体trnK5'-matK-trnK3'的结构在高等植物相当一致,但先前研究发现两个matK脱离trnK而存在的例子,像是叶绿体严重退化的寄生植物Epifagus virginiana及因叶绿体基因重组而导致trnK外显子丢失的铁线蕨,它们的matK仍然具有完整的开读框,显示了matK的确十分重要而不可缺失,藓苔类和松叶蕨也被证实具有trnK5'-matK-trnK3'的结构,但是在角藓中却发现其matK是伪基因。

Although adiposity has been associated with asthma, associations with allergic sensitization have been inconsistent.

尽管已经证实肥胖与哮喘有关,但人们对肥胖与变应性致敏的关系还未形成共识。

A novel direction of arrival and polarization estimation of electromagnetic vector sensors mounted on the airframe is proposed based on biquaternion. The signal processing model for EM-sensor mounted on the airframe is made by biquaternion and then the eigenvalue decomposition of spectral matrix is obtained by means of the EVD of its quaternion adjoint matrix. The memory requirement for data is reduced, and more accurate estimation result is gotten by deducing the stronger orthogonality constraint between the sin- gal and noise subspaces on the field of biquaternion. The performance of the new algorithm is confirmed through numerical examples.

针对机载电磁矢量传感器阵列DOA和极化参数估计问题,提出了一种基于复四元数估计方法,该算法利用四元数建立机载电磁矢量传感器阵列信号处理模型,然后利用四元数联合矩阵的特征分解得到阵列数据相关矩阵的特征分解,一方面使得计算过程中数据的贮存量大大减少,另一方面通过推导得到信号子空间和噪声子空间在四元数域上的正交性从而使DOA和极化参数佑计的精度更高,仿真证实了本算法的有效性。

It is proved that cyst wall undergo the process of becoming thinner and thinner and break at last, the ciliatures grow gradually from the position of kinetosomes and adoral zone of membranelle is formed during the resting cysts differentiation .

在此基础上,本实验证实,在休眠细胞解脱过程中,包囊壁经历了一个逐渐变薄并最终断裂的过程,纤毛杆从残留的毛基体位置逐渐长出,口围带在休眠细胞解脱的后期形成。

Methods: In the past 10 years, 9 patients were diagnosed of adrenal gland ganglioneuroma with pathology.

回顾性分析我院近 10年来经病理检查证实的 9例肾上腺节细胞神经瘤的临床资料,对其病理学特征、临床表现、诊断及治疗进行讨论。

Laparoscopic or retroperitoneoscopic adrenalectomy is now considered superior to open surgery and becomes a new gold standard for functional adrenal tumor.

腹腔镜或后腹腔镜肾上腺切除术已经被证实是一种较优於传统开刀的手术方式,而且也成为了肾上腺功能性肿瘤之新治疗准则。

And there were some unscrupulous producers, a large number of adulterated in the production process in order to reduce production costs.

更重要的是,芝麻油中油酸的组成也证实,抑制胃溃疡药,哮喘和其他疾病,防止皮肤恶化,提高免疫力的作用。

The first demonstration of the formation of adventive emtryos from carrot tissue explants can be traced to the work of Reinert.

由胡罗卜组织外植体来的可定胚形成的最初证实可追溯到Reinert的工作。

We investigated whether survivin mRNA expression is detectable in testicular biopsies from patients with infertility of varying aetiology.

本文作者试图证实在多种病因所致的不育症患者的睾丸活检组织中是否有survivin的表达。

The result shows that the algorithm not only has characteristics of high affectivity and small computing work, but also has great anti-disturbance at the same time.

实际应用结果证实了拼幅算法的有效性。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?