thickness n. 1.厚;粗;厚度;粗大。 2.濃度,濃厚,黏稠。 3.密度;稠密。 4.模糊不清,多煙霧,混濁。 5.愚笨;遲鈍。 6.最厚[粗,密,濃]處。 7.(有一定厚度的東西的)一張,一層。 8.親密。 coal seams of less thickness than five feet 厚度不及五英尺的煤層。 the thickness of population in New York 紐約的人口密度。 wood of different thickness 厚度不同的木頭。 five thicknesses of cardboard 五層紙板。
shell n. (pl. shells,2 義為 shell) 1.殼;介殼;甲殼;貝。 2.(昆蟲的)翅鞘;蛹的蛻皮。 3.【解剖學】種子的外皮;莢。 4.【地質(zhì)學;地理學】地殼;薄硬巖層。 5.【解剖學】外耳。 6.【機械工程】(汽)鍋身。 7.【建筑】薄殼(屋頂);房屋的框架;內(nèi)部未竣工的建筑物。 8.船體;骨架。 9.子彈殼;炮彈;獵槍子彈;爆破筒。 10.(滑車等的)外框;內(nèi)棺。 11.外觀;外表;外形。 12.單人賽用艇。 13.〔英國〕(學校的)中級班〔四、五年級〕。 14.〔詩〕豎琴;七弦琴。 15.=shell jacket. 16.【物理學】(原子的)電子殼層。 17.(刀劍的)護手。 18.(像鉆進殼中似的)沉默;冷淡。 19. 【計算機】操作系統(tǒng)外殼,命令解釋程序〔如DOS等〕。 the shell of an egg [a walnut] 蛋[胡桃]殼。 Beetles have shells. 甲蟲有硬殼。 an illuminating shell 照明彈。 a tear shell 催淚彈。 the shell of a pipe 管壁。 You're scarcely out of the shell yet. 你還乳臭未干。 cast the shell 脫殼;蛻皮。 come out of one's shell 不再羞怯沉默。 go [retire] into one's shell 緘默起來;害羞起來;對人持冷淡態(tài)度;保持距離。 in the shell 在萌芽[潛伏]時期。 vt. 1.由殼中剝出(豌豆等);〔美國〕剝(玉米);給…脫粒。 2.用殼體包被;用介殼鋪(路)。 3.轟擊;炮擊[轟]。 4.〔棒球俚〕(投手)使(對方)獲得多次安全打或得分。 shell oysters 去牡蠣殼。 vi. 1.脫殼;蛻殼;(金屬等)剝落;(果實等)脫落。 2.炮擊。 3.采集貝殼。 as easy as shelling peas 〔口語〕非常容易。 shell out 〔俚語〕交出;付出;付款,捐獻 (S- out your money! 拿出錢來!)。
Research on duck egg shell thickness grading model 鴨蛋殼厚等級模型研究
In addition , to these three characteristics , there are also two other shell characters , shell thickness and shell smoothness , which are not easily studied by quantitative analysis 除這三種殼因子外,還有兩個難以定量比較分析的貝殼形態(tài)特征,即殼厚度或堅硬度和光滑度。
The simulation results show that the system relationship model can reflect dynamic variation on its shell temperature and predict indirectly the shell thickness at tapping spout 仿真結果表明,所建立的關系模型能夠反映結晶器出鋼口處坯殼表面溫度的動態(tài)變化,及間接地預知坯殼厚度目的。
In addition , there will be some asymmetrical condition for shelling ; if the shell speed is different , there will be crusting phenomenon and then damage precision of shell thickness 另外一些覆膜砂還可能出現(xiàn)結殼厚度不均勻的現(xiàn)象,如果結殼速度不同,將出現(xiàn)覆膜砂加熱過程中的“起皮”現(xiàn)象從而破壞了結殼厚度的準確性。
Influence to geometry nonlinear stability of orthogonal vierendeel dome by changing rise - to - span ratio , shell thickness and section area was studied and some useful conclusions were obtained for practical engineering 分析了正交空腹網(wǎng)殼結構的矢跨比、網(wǎng)殼厚度、腹桿截面對其非線性穩(wěn)定性的影響,得出若干對工程設計有參考價值的結論。
The micropcms were prepared by using in - suit polymerization with prepolymer of melamine - formaldehyde ( mf ) and charactized the properties such as shape , diameter distribution , thermal prosperities , strength , shell thickness and penetration property 利用激光粒度分布儀、 sem 、 dsc和tg分別研究了所得微膠囊的粒徑分布、表面形態(tài)及熱性能的影響因素。
It can measure shell speed and crusting of film laminating by adopting fks - 1 tester of film laminating capacity ; the principle of this instrument is that it makes film laminate on heating plate and turns 90or 180 of heating plate for moving un - shell sand . and then it measures shell thickness and observes cocking condition of surface sand 采用fks - 1型覆膜砂結殼性能測試儀可以觀測覆膜砂的結殼速度和起皮狀況,其原理是將覆膜砂撒在加熱板上,經(jīng)過某一時間之后,將加熱板旋轉(zhuǎn)90或180移去未結殼的松散砂,然后測量結殼厚度,并觀察表層砂的翹起情況。
Dynamic characteristic of orthogonal vierendeel dome was discussed , and the influence on vibration characteristic acted by difference including rise - to - span ratio , shell thickness , section area and constraint condition was studied . vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake . by comparing dynamic response in different direction and dimension seismic excitation , the value and distribution of dynamic internal force were obtained 本文研究了正交空腹網(wǎng)殼結構的動力特性,分析了矢跨比、網(wǎng)殼厚度、腹桿截面和支座約束條件對結構自振特性的影響;采用反應譜法和時間歷程法對正交空腹網(wǎng)殼的地震響應作了詳細的分析,分別研究了結構在不同方向地震激勵下和在不同維數(shù)地震激勵下動力響應的數(shù)值大小和分布規(guī)律,并比較了兩種方法的結果差異,對抗震設計具有參考價值。
Testing results are analyzed , then the boundary condition ( the heat transfer coefficient of and the water density ) for computer simulation is acquired . through simulation in computer using the all - purpose computer simulation software secondary cooling in slab continuous casting and test results , the influence of the factor such as casting speed , casting temperature , shell thickness and secondary cooling system are analyzed . the secondary cooling system is evaluated , the reasons of crack are analyzed 應用仿真軟件和實驗數(shù)據(jù)對寶鋼1930鑄機進行了仿真計算,分析了拉速、配水制度、過熱度對鑄坯溫度場和坯殼厚度的影響;對寶鋼1930鑄機的二冷制度進行了評估,分析了產(chǎn)生裂紋的原因;并對二冷制度進行優(yōu)化,提出了改進建議。
Synergistic effect exists when the shell thickness of the micrometer iron - nano iron core - shell structure composite particles is about 120nm , at which the permeability greatly increases . the real part and the image part of the permeability at 2 ghz obviously greater by 25 % than the corresponding values of the iron microparticles and iron nanoparticles 微米鐵-納米鐵核殼復合粒子在殼層厚度為120nm時,磁導率有極大提高,表現(xiàn)出協(xié)同效應;在2ghz處磁導率實部、虛部均高于對應的納米或微米粒子相應值的25以上。