迄今为止NASA研究了两种前往那里的备选推进器：核热火箭和化学发动机。
So far NASA is exploring two options for propulsion there? A nuclear thermal rocket and a chemical engine.
贴梗海棠行至消防员不能到的地方，并能检测当地的化学、生物、放射性物质及核物质的含量。
Quince rolls on treads and can sense chemical, biological, radiological or nuclear dangers in areas that firefighters can't reach.
根据该重置计划，M113装甲车将恢复到战备状态，并升级装甲，提升核、生物及化学防护装备。
Under the reset program, the M113 vehicles will be brought back to combat-ready condition and gain add-on armor and nuclear, biological, and chemical protective equipment.
维奇诺称很快就会安装一个空气过滤系统以消除任何生物、化学或者核攻击。
Vicino says that a soon-to-be-installed air-filtration system will also neutralize any biological, chemical or nuclear attacks.
“这些细胞和分子，淹没在基底核中各式各样的神经化学鸡尾酒中，也许它们就是我的爱情和对夫君依恋的情感基础，”她写到。
"These cells and molecules, awash in various neurochemical cocktails in my basal ganglia, are presumably the basis for my love and attachment to my husband," she writes.
《国际卫生条例》也可以适用于其他突发公共卫生事件，例如化学品溢流、泄漏和倾倒或核熔化。
The IHR can also apply to other public health emergencies such as chemical spills, leaks and dumping, or nuclear melt-downs.
不过，化学品溢出、泄漏和倾倒，或核溶化物等其他突发公共卫生事件，也可能同样具有全球效应。
However, other public health emergencies such as chemical spills, leaks and dumping, or nuclear melt-downs may similarly have global effects.
阿卡姆·伯特注意到伊朗的科学出版物把重点放在无机和核化学、核和粒子物理以及核工程。
Archambaut notes that Iran's publications have emphasised inorganic and nuclear chemistry, nuclear and particle physics and nuclear engineering.
应对拟送进受核工厂的新组件、新物料、新化学品、新机器、新产品实施管制，以防对环境卫生安全有潜在损害的这些东西未经检验进入。
The controls should be in place to prevent new components, materials, chemicals, machinery, and products from entering the facility, which have not been reviewed for potential EHS hazards.
传感器网络用来检测和识别化学，生物，辐射，核，和爆炸(CBRNE)攻击和材料。
Sensor networks to detect and characterize Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) attacks and material.
同位素：一种化学元素的两个或多个类型，它们的原子核具有相同的质子数，而中子数却不同。
Isotope: One of two or more species of atoms of a chemical element having nuclei with the same number of protons but different Numbers of neutrons.
单原子的结构是个基本极限：若要做得更小，基本上就得操控原子核了，这可是把一种化学元素转换为另一种。
A structure the size of an atom represents a fundamental limit: to make anything smaller would require manipulating atomic nuclei—essentially, transmuting one chemical element into another.
文章综述了利用物理法和化学法制备核壳型复合材料，并对其应用前景作出了展望。
Their preparations by using the physical and chemical method, and their application prospect were summarized in this paper.
这项研究对实用领域是有益的，诸如核化学，鞣革及塑料与金属的粘接。
The studies are useful for the practical areas. such as nuclear chemistry, tanning and adhesion of plastics with metals.
用辣根过氧化物酶(hrp)逆行标记与免疫细胞化学相结合方法，在大鼠红核内观察到HRP阳性与P物质反应阳性的双重标记神经元。
Using a combining method of HRP retrograde tracing with immunocytochemistry, HRP and substance P immunoreactivity double-labeled neurons were observed in the red nucleus of rats.
通过实验确定了CR - 39固体核径迹探测器用于中子测量的化学蚀刻条件。
The chemical etching condition of CR-39 solid state nuclear track detector for neutron measurement was optimized by experiment.
以大功率石墨电极废品破碎后的微粒为“核”，以中温沥青为包覆原料，经化学沉积包覆形成“核-壳”型锂离子蓄电池负极材料。
Particulate of graphite electrode wastes from an electric-carbon materials factory was formed "core-shell" negative materials by chemical deposition coating with medium pitch.
方法：以5-氰基苯酞为起始原料，经亲核加成、水解、化学拆分、环化和成盐等反应制得抗抑郁药草酸依地普仑。
Methods:Starting from 5-cyanophthalide, escitalopram oxalate was prepared via several steps including nucleophilic addition, hydrolysis, chemical separation, cyclization and salt formation.
两百万加仑放射性化学物品已从核工厂里扩散开来。
Two million gallons of radioactive chemicals have poured out from the nuclear plant.
迈克尔反应是一个典型的亲核加成反应，一直是有机化学领域的一个研究热点。
Michael reaction is a typical nucleophilic addition reaction, is always an organic chemistry domain research hot spot.
然后它们个别作同样的，从这团化学和能量核之类的，自然地生长成一团细胞。
Then they all do, and a mass of cell growth occurs spontaneously from this core of chemistry and energy and such-right?
方法应用细胞培养、免疫组织化学、核荧光标记、荧光逆行追踪和酶组织化学等技术。
Methods Cell culture, immunohistochemistry, nucleus fluorescence labeling, fluorescence retrograde labeling and enzymatic histochemistry technique were used.
用CB - HRP追踪与免疫细胞化学结合的方法，对大鼠中缝背核接触脑脊液神经元(简称触液神经元)的化学性质进行了研究。
By Using a combined method of CB-HRP tracing with immunocytochemistry, chemical natures of CSF-contacting neurons in the dorsal raphe nucleus were studied.
钡星对于重元素核合成及星系化学演化的研究都有非常重要的意义。
It is very significant to Ba stars for heavy-element nucleosynthesis and Galactic chemical evolution.
结果免疫组织化学研究表明M1、M3、M4在前庭神经核中均有表达；
Results M1 , M3 and M4 muscarinic receptors were expressed in rat vestibular nucleus by immunohistochemistry.
用免疫细胞化学PAP法对禁水老年大鼠室旁核加压素样神经元的超微结构进行了观察研究。
The ultrastructure of the vasopressin-like neurons in the paraventricular nucleus (PVN) of aged rats deprived of water was observed by immunocytochemical PAP method.
结果免疫组织化学染色显示，正常对照组、假手术组、左侧大脑半球氧化还原因子1蛋白在细胞核表达；
Results Immunohistochemistry showed the nuclear expression of Ref 1 protein in the normal control group, sham operation group and left cerebral hemisphere.
电真空的使命，核，化学，玻璃，金属化产业。
Electric vacuum vocation, nuclear, chemical, glass, and metalizing industries.
电真空的使命，核，化学，玻璃，金属化产业。
Electric vacuum vocation, nuclear, chemical, glass, and metalizing industries.
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