零強度 的英文怎麼說
中文拼音 [língqiángdù]
零強度
英文
intensity, zero-
If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。In fact in the die casting process, when the liquid metal have not solidified completely, in order to break arborescent structures which have already solidified and then proceed fine - crystal intensification, we apply a deforming force, so the mechanical properties of parts produced by liquid combination process of die casting and forging will be improved significantly
其實質就是在壓鑄基礎上,待型腔中的液態金屬還沒有完全凝固時,立即施加一個變形力,打碎已經凝固的枝晶組織。鑄鍛雙控成形工藝主要適合生產形狀復雜和強度要求高的汽車零部件和其它結構件。" test methods for zero - span breaking strength " dry zero - span tensile
零檔制動強度試驗方法As a result of an amendment by the international civil aviation organization starting from 1 november 2001, the night - time visibility for aviation purpose represents the greatest distance at which light in the vicinity of 1 000 candelas can be seen and identified against an unlit background
由於國際民用航空組織的一項修訂,自二零零一年十一月一日起,航空用途的夜間能見度代表在無光背景中可以看見及分辦強度約為1 000堪德拉candela的燈光的最大距離。Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry
本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料,並對其性能進行了分析和測試,結果表明:這些合金粒徑小,比飽和磁化強度較大,矯頑力為零,呈現超順磁性,是非晶態的軟磁材料。The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured
本文介紹在特定的工藝條件下,將納米材料滲入到機械零件的基體中,使基體材料晶粒細化,韌性增加,強度增加,硬度增加,磨擦因數降低,從而製造出了高性能長壽命的機械零件。The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters , the cad system can make optimization design and strength check for the worm gear , draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm , judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point , make project design and structure design for the reducer and draw its 2d parts and assembly
研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統:包括幾何參數設計計算模塊,強度校核模塊,繪制齒面接觸線模塊,蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊;開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫,建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫;開發了平面二次包絡環面蝸桿減速器參數化建模軟體:包括零部件的參數化建模模塊和裝配圖的參數化建模模塊,其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。Announcement of annual results for fy2002 consolidation of core business strengthening of vertical integration
公布二零零二度全年業績-鞏固核心業務加強垂直整合Yuhuan baodali machine co., ltd. establishes as 1995, specialize in : automobile fittings, motorcycle fittings, diesel engine fittings, etc. high strength bolt, nut, spare part in common use, automobile wheel lock hub nut, bolt
浙江玉環寶達利機械有限公司成立為1995年,系專業生產:汽車配件、摩托車配件、柴油機配件等高強度螺栓、螺母、通用零部件、汽車輪鎖輪轂螺母、螺栓。Examination of the density, strength, hardness and microstructure showed that the mechanical properties and structure of the part made by direct metal forming process are better than that obtained from selective laser sintering process, as good as or even better than castings
對成形件進行的密度、強度和硬度指標測試和金相組織觀察表明:基於弧焊的直接金屬成形件的組織結構和力學性能指標明顯優于選擇性激光燒結工藝成形件,達到或高於鑄造零件。Automotive parts - brake linings and disc brake pads - test procedure of shear strength
汽車零件.制動襯套和圓盤制動襯墊.剪切強度的試驗程序The piston is the critical part of engine. it stands the great thermal load ; the thermal load and thermal intensity have greatly affected the durability, reliability and economy
對于活塞這樣承受很大熱負荷的發動機關鍵零件,其熱負荷和熱強度問題是影響發動機耐久性、可靠性和經濟性的關鍵問題。Divides into the light work table and the heavy work table ; the assembly structure, the assembly simple, the intensity is high, the many kinds of work tables floor choice ( hangs taiwan and so in board, electric appliance board, lamp roof, baggage shelf part ), may coordinate the different operation requirements ; after installs the tool cabinet, can reasonably use the space, deposits the tool and the spare parts
工作臺:分為輕型工作臺和重型工作臺;組裝結構、組裝簡便、強度高、多種工作臺臺面選擇(掛板、電器板、燈頂板、擱板等臺上部件) ,可配合不同的使用要求;加裝工具櫃后,更能合理地使用空間,存放工具及零配件。Integral panel is a flat part integrated with framework elements, connection elements and skin in traditional aircraft structure, it is the main supporting structure in aircraft, having the advantages of high - intensity, low - weight, and so on
整體壁板是將傳統飛機結構中的骨架元素、連接元素和蒙皮製成一體的板類零件,是飛機的主要受力結構件,具有強度高、重量輕、氣密性好等優點。Probability fatigue is a subject that studies the fatigue damage of machine accessory and structure component by the method of probability and statistics and analyzes their fatigue intensity according to the uncertainty and distribution of their fatigue damage
概率疲勞是用概率統計方法研究機械零件和結構構件的疲勞損傷,根據其存在的不確定性因素及分佈進行疲勞強度分析的一門學科。The paper mainly discussed the reasons of stress from liquid ammonia pressure vessel causing crack through examing data and experimental results and analysing relevant referential documents and materials, taking 1200 ammonia vessel ' s crack and leaking in a certain fertilization company as an example : there existed remaining welding, stress in the equipment ; there existed a stress decaying surrounding, i. e., moisture 0. 2 %, and temperature > - 5 with o2 or co2 inside ; the higher the intensity of raw materials, more possible it was to have stress decaying crack
摘要以某化肥公司1200氨冷器殼體開裂泄漏的失效分析為例,通過對檢驗數據和結果及有關文獻資料的分析研究,探究了液氨介質壓力容器產生應力腐蝕裂紋的原因:設備中存在較高的焊接殘余應力;液氨介質具備應力腐蝕環境,即含水量0 . 2 % ,且有空氣( o2或co2 )污染(或摻入) ,使用溫度高於零下5 ;母材強度越高,應力腐蝕裂紋產生的傾向就越大。And then, we specially study the effect of spin interaction ' s anisotropy on the critical temperature tc. from what we have observed we suggest that the critical temperatur tc grows as the anisotropy intensifies, while the system magnetization becomes weaker. the system becomes id if the anisotropy ratio r goes to infinity, and its equilibrium state keeps zero magnetization at any finite temperature, which confirm that there is no observable transition for id system
其後,著重研究了自旋相互作用的各向異性程度r對其臨界溫度t _ c的影響,總結出:隨著系統各向異性程度的增強,系統的臨界溫度向高溫轉移,而系統的磁化強度在不斷的減弱;當r趨近於無窮大時,系統演變為一維系統,系統在任何有限溫度下達到的平衡態始終保持磁化強度為零,這也證實了一維系統不發生相變Better insulation, good mechanical strength, for use in samll gears and machinery parts
中級電氣絕緣性,機械強度高,製造小輪機械零件等。By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently
通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。A finite element model for double wishbone suspension with twirl torsion bar of a 5 - axle heavy truck is established and a simulation is conducted, including the analyses on static stiffness and strength characteristics of the suspension
摘要建立了某五軸載貨汽車雙扭桿雙橫臂懸架有限元模型,對各零部件之間連接關系進行模擬,在此基礎上,對模型靜態剛度和強度特性進行分析。分享友人