查询词典 length of time

After verification of the program, the mathematical models of the suspension bridges were studied by means of the program, as well as the determination of the main cable's shapes and its internal forces at different stages, the calculation of the cable's unstrained length and the analysis of the construction processes, of which some new approaches were presented in the mean time. Thus makes the structural analysis results of suspension bridges more reliable and in accordance with reality.

在用算例验证了程序分析结果正确性的基础上，应用该程序对悬索桥的数学模型、各阶段缆索几何形状及内力状态的确定以及缆索无应力长度的计算和施工过程分析进行了研究，提出了确定缆索在成桥状态下的几何形状及其内力状态以及缆索无应力长度计算的新方法，使悬索桥的结构分析结果更加符合实际情况。

Under the treatments of ETP, the plant height and diameter, and length between adjacent double burls in the green bud stage were decreased and the effects were strengtheded along with the content of ETP increasing. The treatment of 50 mgL^(-1) postponed the time of green bud appearing 14 days and the florescence 9 days, respectively; as far as the treatments of 100 mgL^(-1) and 200 mgL^(-1) ETP were concerned, no green bud and flower appeared.

ETP处理下绿蕾中期的株高、株径和节间长度均比对照降低，且表现出随处理浓度增加效果逐渐增强的趋势。50mgL^(-1) ETP处理下绿蕾出现时间和始花时间分别比对照推迟了14天和9天；100和200mgL^(-1) ETP处理则不能正常形成绿蕾和开花。

The ratio of monthly multiplications was 3-6, the vitrification phenomena of clump shoots was seldom happened, and efficiency seedlings were easily rooted besease of the optimal length between two bud burls. 3. Clump shoots subculture: On the ground of the basic media: amended MS+ BA0.2mg L-1+NAA0.1 mg L-1+saccharose3% 11 experiment was tested:(1)add to AC 0.01%, 0.03%, 0.06%, 0.1% respectively, at the same time, improving the concentration of BA to 0.5mg L-1 and NAA to 0.2 mg L-1 (2) add to VH 1mg L-1, 2 mg L-1 3 mg L-1 respectively;(3) amended MS (organic compoung and Fe2+ 1.5 double), add to saccharose 3%, 4% 5% respectively.

壮苗和有效芽诱导：以改良MS+BA0.2mg·L~(-1)+NAA0.1mg·L~(-1)+3％蔗糖+0.55％卡拉胶为基础和对照，①分别加入0.01％、0.03％、0.06％、0.1％的活性炭，同时提高BA的浓度为0.5-1mg·L~(-1)，IAA浓为0.1-0.5mg·L~(-1)；②分别加入1mg·L~(-1)、2mg·L~(-1)、5mg·L~(-1)的生物素，③改良MS(铁盐、有机物1.5倍)，蔗糖分别增加为4％和5％，共11个处理，结果表明：活性炭对邓恩桉组培苗的生长起抑制作用，生物素所起的作用不明显，邓恩桉组培继代苗的生长离不开细胞分裂素和生长素，一旦缺少继代苗很快枯萎死亡。

His AERIAL LOCOMOTIVE, with a hydrogen-filled compartmented gas "spindle" 800 feet in length and 50 feet in diameter, was to carry between 50 and 100 people at a speed of 60 to 100 mph The great machine was to be remain aloft for 12 hours at a time, propelled by two steam engines driving two "fan wheels or propellers" each of which would be 20 feet in diameter and revolve at 200 rpm He estimated that the machine would weigh a total of some 14,000 pounds and would generate a total buoyant lift of 56,000 pounds, leaving 42,000 pounds for 200 passengers and luggage.

他的空中机车，与氢气填充compartmented气体&主轴&八百英尺在长度和50英尺，直径，是进行50至100人的速度在60至一百英里每小时伟大的机器是要继续高举12在一小时的时间，推进两个蒸汽火车驾驶&两个风扇车轮或螺旋桨&，其中每会20英尺，直径和旋转，在200 rpm的他估计，机器重量共约一四○○○磅，并会产生一个总蓬勃解除五六〇〇〇磅，离开四二零零零磅为200名乘客和行李。

The invention discloses an optical-fiber all-optical code converter, comprising a temperature control circuit as well as optical-fiber Mach-Zed interferometer, heat sink, semiconductor refrigerator, thermosensitive resistor and radiator, where the interferometer is composed of two cascaded 3dB couplers on the heat sink, the relation between length difference delta L of two arms of the interferometer and generated delay time difference delta T is that delta L=c.delta T/n, where c is light velocity in vacuum and n is refractive index of optical fiber; the thermosensitive resistor is used to detect temperature of interferometer, the temperature control circuit is used to compare feedback voltage of the thermosenstive resistor with a given voltage to regulate working current of the semiconductor refrigerator, and the semiconductor refrigerator refrigerates or heat two arms of the interferometer by the heat sink.

本发明公开了一种光纤型全光码型转换器，它包括温控电路和位于密封盒内的光纤型马赫-泽德干涉仪、导热热沉、半导体制冷器、热敏电阻以及散热片；干涉仪由位于导热热沉上的二个3dB耦合器级联而成，两臂的长度差ΔL与产生的延时差ΔT之间的关系为ΔL＝c。ΔT/n，c为真空中光速，n为光纤折射率；热敏电阻用于对干涉仪的温度进行探测，温控电路用于比较热敏电阻反馈的探测电压和设定电压，对半导体制冷器的工作电流进行调节，半导体制冷器通过导热热沉对干涉仪两臂同时进行制冷或加热。

The entrance section of FuXi Double-arched Tunnel is modeled in the fact of factual shallow buried and unsymmetrical pressure condition. Adopting the three heading construction method to simulate twelve kinds of construction projects, confirm reasonable construction orders and left and right tunnel face interval, systematically analyze and research the changing law of the tunnel deformation and surrounding rock stress in soft and cracked condition of surrounding rock,bring forward pertinent advices against construction disease; Build the deep buried tunnel model in middle section of tunnel , separately adopt the central heading bench cut benching method and the central heading full cross method to simulate ten kinds of construction projects, establish the reasonable construction orders, sidestep length and tunnel face interval, which are due to the deep buried tunnel, systematically analyze and research the change law of the tunnel deformation and surrounding rock stress in the section with good surrounding rock condition, bring forward the reasonable construction projects which can make sure of construction safety and save construction time; Because the central wall is disturbed many times during constructing process, its displacement and stress distribution is very complex.

富溪隧道进口段依照实际的浅埋偏压状况建立模型，采用三导洞法开挖模拟了12种方案，确定了合理的施工顺序和左右主洞掌子面错距，系统地分析研究了软弱破碎围岩浅埋偏压段施工的隧道变形和围岩应力变化规律，提出了防止施工病害的针对性建议；洞身段按深埋隧道建立模型，分别采用中导洞台阶法和中导洞全断面法模拟了10种方案，确立了适合深埋隧道的合理施工顺序、台阶长度和掌子面错距，系统分析研究了围岩较好深埋段施工的隧道变形和围岩应力变化规律，提出了兼顾施工安全和节省工期的合理施工方案；由于受到多次扰动，中隔墙的位移和应力变化规律较为复杂，通过对各种方案的对比分析，得出了中隔墙在施工不同阶段的位移变化规律、应力变化规律和应力分布规律，尤其对于浅埋偏压段隧道施工时中隔墙位移和应力变化规律做了深入研究，提出了合理的施工建议。

Tan Zeng length individual plant adds up to what form a complete set reforms experimental division to build a mark to wear the reform of area of pool of long individual plant had entered phase of " of " assault fortified positions, because this is in area of pool of long individual plant,take the lead in establishing construction special fund already was no time to delay.

长株潭综合配套改革实验区的建立标志着长株潭地区的改革已经进入了&攻坚&阶段，因此在长株潭地区率先设立建设专项资金已是刻不容缓。

At the same time, the program corresponding to the proposed method is compiled in FORTRAN90, which is used to analyze the influence of several factors on the behaviour of barrettes, including ratio of length to width, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, Poissons ratio, pile soacing etc. Many useful conclusions are obtained from the above analyse.

该方法考虑了壁板桩桩身横截面的非轴对称性，并用FORTRAN语言编制了相应的程序，进而分析了多种因素对壁板桩承载特性的影响，包括长宽比、桩径比、桩土刚度比、泊松比、桩间距等。

The significance of identifying the onset of diestrus is that it is a considerably more accurate predictor of the time of ovulation, and hence gestation length, than sexual behavior.

的意义查明发病动情的是，这是一个很大的更准确预测的时间排卵，因而孕育长度，而不是性行为。

With the Sand culture method, influences of different magnesium levels (0%、50%、100%、150%、200% and 300%) was explored to the wheat seedlings of different stages. Many targets such as plant height, root length, biomass, content of chlorophyll, activity of root, RGY, RGR and ratio of root to crown of the wheat were mensurated at the time of 7d, 15d and 30d of two leaves stage of wheat seedlings after their endosperms were removed at different magnesium levels.The results showed that different magnesium levels had unlike influences over the wheat seedlings.

以小麦为试材，采用砂基培养的方法，在镁浓度分别为对照组的0%、50%、100%、150%、200%和300%的营养基质上，培养剔除胚乳后的二叶期小麦幼苗7d、15d及30d，并分别测定该3个时间段小麦幼苗的株高、根长、地上部和地下部的生物量、叶绿素含量、根系活力以及相对生长速度、相对生长速率和根冠比等指标，研究不同供镁水平对不同时期小麦幼苗生长速率的影响。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。