早在二十世纪60年代初，约翰·肯尼迪就预言说，十年内会涌现出25个有核国家。
In the early 1960s John Kennedy predicted up to 25 nuclear countries within a decade.
到了1930年代初，发现原子核是由更小的叫做质子和中子的粒子组成。
By the early 1930s it was found that the nucleus is composed of even smaller particles, called protons and neutrons.
目的：评估尿核基蛋白(NMP22)测定作为诊断初发性膀胱癌及复发性膀胱癌的临床应用价值。
Purpose: to evaluate primarily the ability of urinary level of nuclear matrix protein 22 (NMP22) as a tumor marker for the diagnosis of original and recurrent bladder cancer.
本发明涉及包含核化的茂金属聚丙烯的长丝和初纺纤维。
The present invention relates to as-spun fibers and filaments comprising a nucleated metallocene polypropylene.
在四龄龄初细胞基底膜很致密，细胞核不规则形。
In early stage of 4th instar, thick basement membrane and irregularly round nucleus of the prothoracic gland cell were observed.
在四龄龄初细胞基底膜很致密，细胞核不规则形。
In early stage of 4th instar, thick basement membrane and irregularly round nucleus of the prothoracic gland cell were observed.
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