查询词典 tubes

Many tiny tubes connect each silk gland with a spinneret.

许多极细小的导管把每个造丝腺体与吐丝器相连。

The results show that the metal micro-tubes can be prepared by electroless plating using spider silk templates.

结果表明，利用天然蜘蛛丝为模板通过化学镀的方法可以制备出具有极大长径比的金属微管。

To continue growing and exploring, the slime mold transforms its Byzantine pattern of thin tendrils into a simpler, more-efficient network of tubes: Those carrying a high volume of nutrients gradually expand, while those that are little used slowly contract and eventually disappear.

为了继续生长和探索，黏菌会从细细的卷须组成的复杂模式便成更简单高效的管状网络：营养丰富的部分渐渐扩张，很少使用的部分慢慢萎缩并最终消失。

Cold-drawing and small-bore tubes and large diameter hot-rolled tube is relatively strong prices.

而小口径冷拔管和大口径热轧管出厂价格相对坚挺。

I have six sets of existing units of cold-rolled, 6-76 1-18 year-round production of thick-walled small-bore 20 #, 45 # seamless steel tubes, in an annual production capacity of around 30,000 tons.

我公司现有冷轧机组六套，常年生产6-76×1-18小口径厚壁20#、45#无缝钢管，年生产能力在3万吨左右。

Although the high-pressure boiler tube coating is still mainly small-bore applications, but the coating of large diameter high-pressure boiler tubes start the past two years has been widely used.

虽然目前涂敷高压锅炉管仍然是以小口径应用为主，但是大口径涂敷高压锅炉管近两年也开始得到了广泛的应用。

At Bell Labs, Shockley recognized early on that the solution to one of the technological nightmares of the day--the cost and unreliability of the vacuum tubes used as valves to control the flow of electrons in radios and telephone-relay systems ─ lay in solid-state physics.

在贝尔实验室，萧克利很早就体认到名为当代科技梦餍之一的问题─在收音机以及电话相关的系统中，如同控制阀门般控制电子流动、价格昂贵却又不可仰赖的真空管─其解决方法必定栖息于固态物理学之中。

MethodsNeural tubes isolated from the region between midotic placode and third somite of mouse embryo at ED 8.5d were cultured in DMEM/F12 serum-free medium containing basic fibroblast growth factor and epidermal growth factor. The cell cycle of CNCCs was analyzed with flow cytometry, the proliferation capability was determined by MTT method, AP-2α expression was detected by immunocytochemistry as a biological marker of cardiac neural crest cells. The features of migration, multi-directional differentiation were observed as well.

材料与方法成年2月龄C57／BL6小鼠交配，取ED8.5d小鼠胚胎枕中部至第3体节神经管，应用包含碱性纤维生长因子和表皮细胞生长因子的无血清培养基培养，利用MTT法检测细胞增殖能力，利用流式细胞仪检测细胞周期，采用转录激活因子2α(AP-2α，Activator protein-2α)作为其生物学标记物，观察其增殖状况、细胞周期、迁移、分化等生物学特性。

I only had 23 tubes with me and they were randomly spaced to keep the plates from warping.

我只有23管，与我和他们随机间隔，以保持板从翘曲。

On the ceiling has six tubes, four ceiling fans, on two spandrel wall columns paste the famous personal name word, is placing the neat school desk.

在天花板上有6管，四个吊扇，两个拱肩墙栏粘贴著名的个人姓名字，是把学校的办公桌整洁。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。