彗星

这颗彗星的轨道与地球的轨道交叉。

The orbit of this comet intersects the orbit of the Earth

哈雷彗星将于2061年回归。

Halley 's Comet is going to come back in 2061 .

“彗星”还跟“斯平威·哈维斯特”生下了这匹出类拔萃的小马驹。

Comet also sired the champion foal out of Spinway Harvest .

他们观察了这颗彗星70天，直至其慢慢从视线中消失。

They observed the comet for 70 days before it faded from sight

我们不能完全肯定彗星不会与地球相撞。

We were not altogether sure that the comet would miss the Earth

就彗星而言，它可是个庞然大物。

As comets go , it is a whopper .

彗星将在2061年返回，到时我们都看得到。噢，反正我们的子孙看得到。

The comet is going to come back in 2061 and we are all going to be able to see it . Well , our offspring are , anyway

过去人们贬称彗星为“扫帚星”。

People used to disparage a comet as " a disaster star " .

你看见过彗星吗？

Did you ever see a comet .

行星的运行会使彗星的轨道发生扰动。

Stellar passings can perturb the orbits of comets .

最近他们发现了一颗彗星。

Recently they have discovered a comet .

多数恒星也许还拥有若干行星、流星、彗星和小行星。

Most stars probably have their quota of planets , meteorids , comets , and asteroids .

这个观点推翻了之前的理论，即小行星和彗星的碰撞纯粹是一种破坏性的过程，以为月壳是由月球内部上升的岩浆形成的。

The idea overturns previous theories that colliding asteroids2 and comets were a purely3 destructive process with the lunar crust being created by magmas rising from the interior .

用彗星试验区别凋亡细胞与普通DNA链断裂损伤细胞

Distinguishing apoptotic cells from DNA strand broken cells by comet assay

彗星试验研究和测定的是单个细胞DNA链断裂。

Comet assay detects DNA single-strand breaks of single cell .

紫外辐射诱导植物细胞DNA损伤的彗星检测

Comet assay on the DNA damage induced by UV radiation in plant cells

甲醛对DNA损伤的彗星实验研究

Study on the formaldehyde-induced DNA damage with comet assay

改良彗星实验检测黄曲霉毒素B1致雏鸭DNA损伤

Modified Comet Assay Detecting DNA Damage Induced by Aflatoxin B_1 in Duckling Hepatic Cells

应用DNA彗星试验技术检测辐照鸡肉的研究

Application of DNA comet assay for the detection of chicken treated by ionizing radiation

用改良彗星试验检测工业废水的DNA损伤作用

Study on the Effects of DNA Damage Caused by Industrial Wastewater Using Modified Comet Assay

彗星法分析人肿瘤细胞DNA放射损伤和修复

Study of radiation-induced DNA damage and repair with comet assay in four human tumor cell lines

用彗星试验检测了两组对象外周血淋巴细胞DNA的迁移。

The DNA migration of the peripheral lymphocytes of two groups was detected using comet assay .

用彗星试验研究低剂量辐射对荷瘤鼠放疗后DNA损伤的影响

Effects of low dose radiation on DNA damage of tumor-bearing mice after radiotherapy by using comet assay

运用彗星试验检测醋酸铅对小鼠离体、在体生殖细胞的DNA损伤作用

Study of DNA Damage of Lead Acetate on Germ Cells of Mice in Vivo and in Vitro

用彗星试验检测苯并（a）芘致小鼠体细胞DNA的损伤

DNA Damage of Somatic Cells in Mice Treated with Benzo ( a ) pyrene by Comet Assay

彗星实验检测紫外线诱导的K562细胞DNA损伤

DNA Damage Induced by UV in K562 Cells Measured by Comet Assay

彗星分析法检测鼻咽癌细胞DNA放射损伤与修复

Application of the comet assay for detection of radiation induced DNA damage and repair in nasopharyngeal carcinoma cells

观察指标包括DNA断裂分级（将DNA断裂损伤细胞按其损伤程度分级）及DNA彗星尾长（彗头末端到彗尾的长度）。

The grade of DNA breakage and tail length of Comet assay were used to measure DNA damage .

单细胞凝胶电泳（彗星实验）检测细胞DNA的损伤。

DNA damage of germ cells was assessed by single cell gel electrophoresis ( SCGE or Comet assay ) .

从事X射线探伤工人的外周血淋巴细胞彗星百分率也显著升高。

Also , comet percentage increased in workers engaged in flaw detection and exposed to X ray .