查询词典 sac

When the water temperature is 29-31 ℃,the time of hatch is 19 h.The yolk sac is disappear basically after 70 h.Larvae begin to eat after 90 h.

在水温2931℃时，孵化时间为19 h，孵出仔鱼后70 h卵黄囊基本消失，90 h开始摄食。

Comparison of genes in yolk sac cells with a total of 1 200 genes in the control cells, 79 genes differently expressed between the two groups were detected.

在神经管缺陷大鼠胚胎卵黄囊细胞和对照组1 200个基因中，共筛选出表达差异基因79个，其中42个基因表达上调、37个基因表达下调。

Results:In the group,there were 17(26.2%)cases of embryonal carcinomas,13(20%) cases of teratomas,10(15.4%) cases of yolk sac tumors,4(4.6%) cases of choriocarcinomas and 22(33.8%) cases of m...

结果：65例NSGCT患者中，胚胎癌17例(26.2%)，畸胎瘤13例(20%)，卵黄囊瘤10例(15.4%)，绒毛膜上皮癌3例(4.6%)，混合性生殖细胞瘤22例(33.8%)。

Of the 5 patients with available follow-up, 3 were free of disease at 1, 5, and 8 years after orchiectomy (2 necrotic seminomas and 1 germ cell tumor, unclassified). One patient with yolk sac tumor (age 63 y) developed widespread metastases after 15 months and died of disease.

随访了5例患者，其中3例于睾丸肿瘤切除术后1、5和8年任健在且无复发（2例为坏死的精原细胞瘤、1例为未分类的生殖细胞肿瘤）。1例为内胚窦瘤（63岁），15个月后广泛转移，并死于本病。

Many fetal liver cells were EGFP positive in E13. 5 embryos as well as most of yolk sac was EGFP positive.

在胚胎发育到13.5天时，有大量肝脏组织细胞表达EGFP，其包围胚胎的胎膜上仍有大量细胞表达EGFP。

The gonads form from a group of large granulated yolk sac cells which invacle the germinal ridges.

性腺是由一群大的颗粒的卵黄囊细胞入缀生殖峭而形成。

It is concluded that alcohol has developmental toxicity and teratogenicity. The target organ affected by alcohol is brain. The effects of alcohol on the developmental differentiation of visceral yolk sac and DNA synthesis are probably related to its developmental abnormalities.

结论认为酒精具有发育毒性和致畸性，酒精作用的主要靶器官是脑，酒精对卵黄囊发育分化和DNA合成的影响可能与其发育异常有关。

The indistinguishable yolk sac tumors cell in teratomas can be found by AFP staining combined with SP1 staining.

AFP和SP1可检出畸胎瘤中不易察觉的卵黄囊癌成分。

The sensor uses a fine needle to penetrate both the shell and the allantoic sac of an egg.

这种探测设备可以通过纤细的针管穿入蛋壳和尿囊。

When large quantities of viruses are required for vaccine production or chemical studies, the allantoic sac is utilized.

如绒毛尿囊膜是常用的接种部位，用于1、病毒滴定2、病毒形态学研究3、病毒鉴定，几种病毒能在绒毛尿囊膜上产生水泡样损伤，称为痘痕。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐