Tritium is one of the mildest radioactive isotopes.

氚辐射最缓的放射性同位素之一。

They argued that only a negligible rise in atmosphere radioactivity resulted from the test.

他们辩解说,由这次试验所造成的大气层放射活动的增加微不足道的。

Prismatic crystals of Natrolite on Analcime, forming an interesting cluster, Together with Hematite included Thomsonite.

柱状的钠沸在方沸上,有放射状的晶簇.与内含赤铁矿而成红色的杆沸.

The evolution of heat from the sun is inestimable.

从太阳中放射出的热无法估计的。

A supernova sprays space with many different elements.

超新星会向宇宙放射不同种类的元素。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现的其他放射性元素有：锄、射性钍新针、，等等。

Experimental results showed that double coats of carbon and gold on the conductive coating of radiolarite should be used.

通过多次试验，认为放射虫化的表面导电处理应采用碳-金双层镀膜法。

The Radiolaria pavilion aimed to define a complex, self-supporting structure that could demonstrate and test this pioneering construction technique.

放射馆的目的要确定一个复杂的，自我支持的结构，可以证明测试这一开创性的施工技术。

27 PBq of radioactive material.

27个1015底夸克的放射性物质。

One drawback: a nonradioactive dye must be administered through the child's rectum before a CAT scan can be performed.

在做CAT射线之前，必须用一种非放射性的染料给孩子的直肠染色。

Objective To investigate the correlationship between proliferating cell nuclear antigen (PCNA), intercapillary distance (ICD) and radiosensitivity in uterine cervical cancer.

目的探讨肿瘤内毛细血管间距(ICD)增殖细胞核抗原(PCNA)与宫颈癌放射敏感性的关系。

The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead.

研究表明，穆家庄铜矿矿近矿围岩岩具有极高的放射性成因特点。

In this paper the sample preparation techniques of radiolarite were discussed in order to get high quality secondary electron images in SEM.

讨论了为获得放射虫化的高质量的二次电子图所采用的试样制备方法。

Osteoradionecrosis of the jaws (ORNJ) is one of the severe complications after radiotherapy for malignant tumors of the caput and cervical part.

颌骨放射性骨坏死头颈部恶性肿瘤放射治疗的严重并发症,拟对中文文献中的防治方法进行复习评价。

Conclusion: The radiation reactions of the mice esophagus seem not to be deteriorated after thoracal irradiation with fast neutron, photon or mixed beams.

快中子及混合线照射小鼠胸腔后并不会加重食管的放射反应。

Radioactive nuclides are solidified at crystal lattice as one part of crystalloid by zirconolite-rich synroc, which greatly enhances the long-term safety of radioactive waste disposing.

富钙钛锆型人造岩将放射性核素固定在其晶格中作为晶体的一部分固定起来,大大提高了放射性废物处置的长期安全性,固化高放射性废物理想的固化介质。

Whitish bands composed of medullated nerve fibres radiating out from the optic disc are of no pathological significance and must not be confused with papilloedema.

在视盘周围呈放射状的，由有髓鞘神经纤维所组成的白色条状物，无病理意义的，不要与乳头水肿相混淆。

The objective is to observe clinical effects of trolamine in the treatment of radiation-induced skin toxicity on the breast in breast carcinoma patients after modified mastectomy.

为了观察三乙醇胺治疗乳腺癌改良术后胸壁放射性皮肤损伤的临床疗效。

Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.

基于体单元对光线的发射、吸收、漫射、反射散射基础上的体放射法,适用于复杂景物的生成演示,在真实感图形演示中具有重要地位。

They display a different pattern of flame structure to an experienced eye, which consists of concentric radiating flames and parallel banded layers displaying a distinct “pseudo-chatoyancy” effect.

对于有经验的人而言，仿制品显示处不同于美乐珠的火焰纹结构图案由同心的放射状火焰纹，平行条带层显示出清晰的变彩假象。