查询词典 fissionable material

The official said the logs will be critical in determining the validity of the pending declaration, including North Korea's accounting of how much fissionable material was produced at Yongbyon.

这位官员说，对于确定北韩公布情况的真实性方面，这些日志至关重要，包括确定北韩在宁边生产出的核裂变材料的规模。

The fissionable material defined by the preceding paragraph should be reported to the Atomic Energy Council once every half-year.

前项可分裂物质，应每半年向原子能委员会申报一次。

The term "critical mass" originally came from the world of physics, where it was originally defined as the amount of fissionable material needed to maintain a fission chain reaction. It's since been adopted as a more general term,"the minimum amount required to start or maintain a venture."

"临界质量"一词来自物理学，原意为发生裂变链式反应所需的最少质量，后引申为更为宽泛的"成就或维持某项事物所需的最低数量"之意 [6] 。

Rapidly creating super criticality, either by shooting one piece of subcritical material into another, or compressing subcritical mass fissionable materials together to accomplish this.

超临界快速制造，已由拍摄成另一块临界物质、压缩裂变材料临界质量或一起做到这一点。丰富的材料

The components of the amianthine cat whisker-free friction material of the invention mainly contain binding agent, reinforcing material, frictional property regulating reagent, cat whisker material and fillings, and contain no asbestos fiber, the cat whisker material is adopted to be filled in the friction material to improve the wear resistance of the friction material, protect the environment, and prolong the service life of an arrester gland.

本发明的无石棉晶须摩擦材料其组成为：主要含有粘结剂、增强材料、摩擦性能调节剂、晶须材料及填料，不含有石棉纤维，采用晶须填充在摩擦材料中以提高其耐磨性、保护环境、延长制动器衬片的使用寿命。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域，涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料，用偏硅酸钠的水溶液在30～60℃反应10～300分钟，使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片，加入模板剂十六烷基三甲基溴化铵，然后调节母液pH值为10～12，老化1～8小时，然后加入高压釜于80～130℃进行水热合成反应。反应24～72小时后，分离出固体，水洗、干燥，然后于500～600℃焙烧5～10小时，得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料，所合成的材料经过质子交换可以具有较强的酸性，在吸附和催化领域具有广泛应用前景。

It is equal to abandoned this part of material of nib lost and sharpens the saw-dust lost with the wooden pencil in fact, Because in 95%, the lead clothing pencil the raw materials utilization ratios of it material-saving the wrapping up core lead part removes the space of blind hole part of filling in backs end of pencil stub that are taken up of post of handle of pencil, The plumbaginous clothing material sharpens the saw-dust equivalent of material lost to consume with the wooden pencil basically, The pencil utilization ratio of raw materials produced with the timber is in 30-35%, a finished product pencil can only use two-thirds in using, Back one-third is abandoned, so the material-saving pencil is still pencil province of material-saving raw materials compared with wooden pencil.

被弃掉的笔头这部分材料实际上是与木制铅笔削掉的木屑是相等的，因为，节材铅笔它的原材料利用率在95%，铅衣包铅芯部分除去铅笔柄柱塞所占的铅笔头后端的盲孔部分的空间，铅衣材料基本和木制铅笔削铅衣削掉的木屑材料等量耗费的，而用木材生产铅笔的原材料利用率在30%-35%，一支成品铅笔在使用中只能使用三分之二，后三分之一被弃掉，所以节材铅笔与木制铅笔相对比还是节材铅笔节省原材料。

The process of the invention mainly comprises disintegrating substrate material of waste printing wiring board into particle material whose particle size is 0.5-3.5 micron, the mixing with double bond reactant, adding with phenyl ethene, conducting reaction under gamma ray irradiation condition, modifying substrate material particles, then commixing material which is treated with acrylonitrile-butadiene-styrene, wherein the adding quantity of substrate material particle is 35%-35%, conducting extrusion pelleting for commixing material on a plastic extruder, wherein extruding temperature is 200-250 DEG C, and finally obtaining plasticity plastic particles with excellent property.

本发明方法主要是：先将废旧印刷线路板基板材料粉碎成为粒径为0.5～3.5微米的颗粒料，然后与具有双键的反应物混合，再加入苯乙烯，并在γ射线的辐照条件下进行反应，将基板材料颗粒进行改性处理。

Spreading cover on a stone material surface, not only is to cover the stone material hair side, hollow, crack and scratch, enhances the stone material glossiness, but also to protect the stone material from the water or other bad factors, like SO2 and so on noxious gas has corrosive nature to the stone material, thus to avoids or postpone stone material surface oxidation, so to have the protection function.

在石材表面涂覆一层遮盖品，不单纯是为了掩盖石材毛面，凹陷、裂纹和划痕，提高石材的光泽度，还可保护石材免受水或其他不良因素，如SO2等有害气体对石材的侵蚀作用，避免或延缓石材表面氧化作用的发生和发展，从而起到保护的作用。

Hurtle to press to belong to to material of cold process, the original material that use is all the plank material that has the good ductility generally, usually under the normal temperature, the material places among the molding tool, passing the output pressure function of punching machine or press machines under, make material press the shape occurrence su of the molding tool decision transform, get need of zero, parts, sometimes transform once and can't attain the request because of the material, also have the cent to hurtle to press for many times and transform gradually on the molding tool of dissimilarity, end attain to design the size request.

机械类的帮我翻译一下吧~谢谢了！冲压属对材料的冷加工，使用的原材料一般都是有良好的延展性的板材，通常在常温下，材料放置于模具间，通过冲床或压床产生的压力作用下，使材料按模具决定的形状发生塑性变形，得到所需的零、部件，有时因材料一次变形不能达到要求，也有分在不同的模具上多次冲压、逐步变形，最终达到设计尺寸要求。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。