較壞的 的英文怎麼說
中文拼音 [jiàohuàide]
較壞的
英文
baddish-
Abrasive wear may be defined as damage to a surface by a harder material.
磨粒磨損可定義為較硬的材料對一個表面的破壞。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。Second, the activities of protective enzymes i. e. superoxide dismutase ( sod ), peroxidase ( pod ), and ascrobate peroxidase ( apx ) exhibited down - up - down trends when treated with 2 @ and 8 @, and these activities sustained at a relatively high level. this indicated euonymus japonicus " zhuzi " had relatively high adaptability to cold stress
( 2 ) 『粗枝』大葉黃楊在零上低溫時,細胞保護酶超氧化物歧化酶( sod ) 、過氧化物酶( pod ) 、抗壞血酸過氧化物酶( apx )的活性先降低後上升,又下降並維持較高的水平,表明『粗枝』大葉黃楊對低溫脅迫有一定的適應性。The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track
摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。And weighing the risk of such eventualities against the rewards of hard cash, on the table, right now, makes it clearly daft to raise too much of a stink
但是權衡利弊,比較可能出現的風險與現在得到擺在桌面的現金,那麼過多想象壞的方面肯定是不太明智的。The new year opened with violent and almost continuous storms, causing much havoc among the older ships.
新年伊始,狂風暴雨幾乎不斷地襲來,使我們較舊的船隻遭到很大破壞。To partially compensate for less destructive power, however, engineers can design earth - penetrating technology that allows a nonnuclear warhead to dive deeper and detonate closer to its target
不過為了盡量彌補破壞力較小的缺憾,工程師可以設計出特殊的鉆地技術,讓非核彈頭更深入地下,接近目標后引爆。As a practical application, the safety situation of jiujiang dike under the 1998 pluvial condition of once a hundred years in yangtze river has been evaluated by the reliability method from the point view of the seepage stability in terms of probability analysis and two dimensional saturated seepage finite element analysis combining with the mechanism of seepage burst in jiujiang dike summarized in the thesis
通過滲流有限元和滲流可靠性分析論證了1998長江流域特大洪水災害中九江市防護大堤發生的嚴重潰口破壞的滲流破壞機理。分析、比較得出結論:堤防下游坡腳的出逸比降接近和超過臨界比降,在1998年長江百年一遇的洪水條件下九江大堤潰口斷面的抗滲可靠性僅在55左右的非常低水平。Too high a degree polynomial produces lower residuals, but at the expense of smoothness in the derivative.
一個很高次數的多項式會產生較低的殘差,但卻要破壞導數的光滑性。The results showed : protamine could inhibit the growth of " bacillus subtilis " without destroying the cellular wall and significantly inhibit the activities of succinate dehydrogenase and malata dehydrogenase
試驗結果表明:鯉魚魚精蛋白對枯草芽袍桿菌具有較強的抑制作用,但對枯草芽抱桿菌細胞壁不產生破壞作用;對黑曲?胞內的琥珀酸脫氫酶和蘋果酸脫氫酶的活性具有明顯的抑制作用。In the meanwhile, the semi - rigid connections can save steel capacity, and become a kind of not only economical, but also reliability connection. top and seat angle with double web angles semi - rigid connection is of performance, while few study has for complex destroy and many effect factors
頂底角鋼雙腹板連接由於其較好的性能,但由於其破壞的形式比較復雜而且影響因素較多在國內外研究中觸及很少,本基金項目正處於此初衷對其進行理論研究與實驗分析。The transformer substation survived the blast with relatively minor damage to the essential components.
經爆震波襲擊后未被毀壞的變電站的重要組件受到較小的損壞。The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water
泰樂星提煉過程中原工藝脫色液用薄膜真空濃縮,本試驗改進為耐溶媒納濾膜濃縮,料液不需要加熱即可濃縮,防止了料液的高溫分解破壞,濃縮收率明顯提高在濃縮的同時,部分小分子雜質可以隨水分子一起通過納濾膜而除掉,成品質量明顯提高,解決了用原工藝成品酪胺、溶解度不合格的質量問題省去了原工藝濃縮中費用較高的蒸汽、冰鹽水,經濟效益可觀。Heavy howitzer : these cannon only fire ballistically, have a low rate of fire, an extremely wide range and do a high amount of damage
重型榴彈炮:這些火炮只能進行彈道射擊,射速低,射程極遠並能造成較高的破壞力。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done
本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺試驗,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。The sensor could eliminate the interference of electroactive ascorbic acid, and exhibited high operational and storage stability ( no apparently difference in response of the biosensor was observed after been used continuously for 150 times and stored for 5 months )
傳感器能有效消除電活性物質(抗壞血酸)對測量帶來的干擾,同時具有較高的操作和貯存穩定性(連續使用150次、冷藏5個月後,響應無明顯下降) 。Firstly, when the 10kv high pressure motor start up, the rate of false action caused by automatic switch protector ( asp ) will raise dramatically ; secondly, at moment of on / off switch, great electromagnetic flux induced in the asp cause damage
一是在10kv高壓電機的啟動時,高爆保護器的誤動作率明顯提高;二是在分合閘瞬間,較大的電磁影響甚至造成了保護器的損壞。The diet of the main dominat species of rodents allactaga sibirica in stipa breriflora steppe were studied in lhurihe sunit right banner inher mongolia by stomach content analysis the results showed that : 1. the main diet of allactaga sibirica consisted of green stems and leaves, seeds, roots and withered plants and also consisted of some insects when plant biomass were lowev. 2. ten species of plant were often selected by allactaga sibirica during the different periods allactaga sibirica always selected artemisia frigida, kochia prostrata, heteropappus altaicus, enneapogon borealis, eragrostis poaeoides. 3. the plant diet composition were same at the same period when water content were same but the plant diet compositon were difteren at the ditlenent periods when whater content were different
研究結果表明: 1 .五趾跳鼠的主要食物組成由綠色莖葉、種子、根、枯黃植物組織等組成,在植被生物量較低時期也採食一些昆蟲類食物; 2 .經常採食的植物種類有10種,其中在不同時期均喜食的植物有冷蒿、木地膚、阿爾泰紫菀、冠芒草、小畫眉草等植物; 3 .在水分條件相似的同一時間段內植物性食物組成較穩定,而在水分條件不一致的各時間段內,食物組成比例差異較大; 4 .有較強的幼嫩植物組織選擇和依賴性採食習性,且與放牧家畜存在較強的植物性食物資源競爭,因此是一種對草地植被破壞性和畜牧業危害均較大的鼠種。分享友人