查询词典 parabolic cusp

If I was closer, I could hear the animal's deep hiss of breath and the sounds of her undershell scraping over logs. If there was a moon, I might see the light glistening off the parabolic curve of the still wet shell.

再靠近一些便能听到它呼吸的低沉的嘶鸣和腹甲刮擦原木的声音；若是晴夜，我还可以看到折射在仍旧湿润的外壳抛物线上的闪闪月光。

The relation of catalytic activity of Pt-M/C and the doped metal amountsexhibits parabolic curve shape, i.e."volcano" shape.

Ni、Co、Fe、Mo与Pt形成的Pt-M／C催化剂的活性与合金中元素M的掺杂量呈抛物线形关系，即"火山型"关系。

A new distribution is proposed for the sake of the disadvantage of the constant circulation at present. The axial velocity in fornt of the blade intake along the radius reduces linearly, and the velocity trendline behind the blade export is close to parabolic curve, but the circulation should be decided by designers.

文中还对轴流泵设计有重要影响的流型进行了全面的分析和研究，指出现有等环量流型存在的不足，提出了改进流型设计：轴面速度在进口边前直线下降、出口边后呈抛物线分布、环量的分布规律由设计人员给定。

Bio-effects on corn seeds treated with diffirent magnetic field intensitiesshowed that there was a remarkable effect of the magnetic field on germination of corn seeds. The response of the MFI indicated that there was a parabolic curve for corn seeds no matter whether they are air dry seeds or wet dry seeds.

通过研究不同磁场强度处理玉米种子所产生的生物效应表明：磁场对玉米种子发芽率有显著的作用，无论风干种还是湿种，磁场作用效应是一条抛物线；最佳的磁场强度风干种为2000GS、湿种是1500GS。

Fifteen healthy male adult rhesus were randomly divided into control group and experimental groups(+15Gx、+18Gx and +21Gx group),and respectively underwent corresponding parabolic G curve in animal centrifuge.

实验选用9 只健康雄性成年恒河猴随机分为对照组和实验组（+15Gx 组、+18Gx 组和+21Gx组），分别在动物离心机上承受相应峰值的抛物线形过载曲线作用，然后解剖取材固定用以病理形态学方面的研究；同时取尿液，立即送检。

The variance of ABA of grape during storage were discussed in this paper.The following results are been drawn:the change of the content of ABA of grapes during storage characterizes by a parabolic shaped curve with obvious peak.Low temperature (0±0.5℃) is conducive to delaying the appearance of the peak of ABA and reduces the peak value.Nine kinds of plant growth regulators and two kinds of chemicals were chosen to treat grape bunches so as to study their mechanisms on ABA of grapes,2,3,5 triiodobenzoic a...

试验研究了葡萄贮期脱落酸的变化，结果表明：葡萄贮期 ABA含量呈抛物线形变化，有明显的高峰出现，低温( 0± 0 。5℃)贮藏具有推迟 ABA峰期和降低峰值的作用，经用 9种植物生长调节剂和 2种化学药品对葡萄果穗处理试验，三碘苯甲酸对 ABA的形成有极强的抑制作用，吲哚- 3-乙酸、赤霉素( GA3)、萘乙酸和 6-苄基氨基嘌呤( 6- BA)对 ABA的形成也具有拮抗作用，矮壮素、比久( B9)、乙烯利和外源脱落酸对 ABA的形成有促进作用。

The main results as follows:1. Dry weight of heading stage showed a parabolic curve relationship with yield. And grain yield correlated well with dry matter accumulation after heading and total dry weight of muturing stage. The accumulation of dry matter from N-n to heading stage correlated with photosynthetic potential.

水稻抽穗期干重与产量呈抛物线关系，抽穗后干物质积累量和成熟期总干重与产量均呈极显著线性正相关。N-n期至抽穗期干物质积累量随着光合势的增加而增加，两者相关达到显著水平，而与净同化率关系不密切。

The apparent partition coefficient versus pH profiles had the shape of a parabolic curve in an n-octanol/buffer system, and reached the peak around pI for GPFX, CPFX and HSR-903, respectively.

在正辛醇／水系统中，格帕沙星、HSR-903和环丙沙星的表观分配系数—pH值曲线呈现钟形形状，在等电点下，log 〓分别达到最大值。

A physical - optics method for computing the far field of a parabolic cylinder fed by a linear rectangular patch antenna phased - array is presented.

用物理光学法对一副微带相控线阵馈电的抛物柱天线的远场方向图进行了仿真计算。

Based on the structure of a non-tracking internal-concentrator solar PV-thermal tube collector and the absorber design requirements, the optical design for the compound parabolic concentrator with half cylinder absorber is proposed to improve the solar energy efficiency. Matlab software was used for the optimization and simulation of the concentrator curve and shape. The curve equation of concentrator for maximum incidence of light of the collector was obtained; and the installation locations for CPC/half cylinder absorber and the necessary CNC processing parameters were optimized.

针对非跟踪内聚光光电－光热复合管的结构及接收器的设计需求，对管内具有特殊形状的半圆柱接收器的复合抛物面聚光器进行了光学设计，并利用Matlab软件对聚光器曲线和形状进行了优化与数据仿真，得到了光热复合管能够得到最大入射光的聚光器的曲线方程、安装位置以及供数控机床加工所需的参数，给出了不同入射角的光线和光强分布图，提高了太阳能的利用率。

The need to produce everincreasing quantities of cheap food leads to a different kind of pollution.

日益增长的对廉价食物的需求导致了另一种形式的污染。

The government was accused of propping up declining industries.

政府被指责支持日益衰败的产业。