ratio的例句大全

From the view of comprehensively consideration the hybrid seed yield and the quantity factors, the optimum ratio between parental line was 1 ∶ 4 by using pistillate line of Balsam pear to product seed.

综合考虑制种产量与制种质量，利用苦瓜强雌系制种，其最适行比为1∶4。

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The laser output energy, dynamic to static ratio, pulse bandwidth ana spectral line width etc. by Q-switching ware mea-sured and analysed theoretically.

测量了调Q后激光输出的能量、动静比、脉宽、谱宽等，并从理论上进行了一些分析。

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Through analyzing the secondary voltage nave form and adopting intermittent charging to automatically regulate charging ratio, te maximum corona voltage can be obtained with minimum back corona by using EPIC-ⅱ ESP power source control system.

EPIC-Ⅱ电除尘器电源控制系统通过分析二次电压波形，采用间歇供电方式自动调节充电比，可达到最大电晕电压且使反电晕最小。

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Study of limite ratio of height to thickness of web when stiffener is not set up on steel beam

不设加劲肋的钢梁腹板高厚比限值研究

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The pituitary basophilic cell adenoma and malignant tumours were the main type accounting for 93.8% ( 30/ 32) of the total tumours and the ratio of malignant to benign tumours was 0.15 ( 4/ 26).

肿瘤类型主要为垂体嗜碱性细胞瘤和癌，占肿瘤动物的93.8%（30/32）。垂体癌与嗜碱性细胞瘤发生例数之比值为0.15（4/26）。

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Distinct causes of formation for different graded bedding in debris flow deposits have been analyzed using the ratio of flow plug.

应用层理结构的分类指标&流核比，对泥石流堆积层理的正粒序、反粒序和混杂粒序等进行成因差异分析。

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And the asymptotic stress ratio is a little larger for the specimens with vertical bedding plane than that with horizontal one.

相对于沉积面水平的试样而言，沉积面铅直的渐近状态应力比稍大；

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With the development of intensive production in pig industry, the ratio of morbidity about abnormal behaviour is tending high.

随着集约化养猪生产的发展，猪异常行为的发生率有升高趋势。

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Through data collection and analysis, the optimal ratio of benchmark test.

通过收集数据并分析，得出基准试验的最佳配合比。

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Study on Catalyst for Hydrogenation of Methyl Benzoate to Benzaldehyde at Low H_2/ Ester Molar Ratio

低氢酯比下苯甲酸甲酯加氢催化剂的研究

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The method of catalytic synthesis of benzyl cinnamate with hexadecyl trimethyl ammonium chloride as phase transfer catalyst is studied. The factors influencing the reaction, such as amount of catalyst used, reaction temperature and time, molar ratio of sodium cinnamate to benzyl chloride are investigated.

以十六烷基三甲基氯化铵为相转移催化剂催化合成肉桂酸苄酯，考察了催化剂、温度、时间和物料配比等因素对反应的影响。

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The optimal conditions were found to be the molar ratio of benzyl chloride to OH group in bamboo 3, reaction temperature 80 ℃, and reaction time 2 h. It was found that the crystalline structure of the native ball-milled bamboo was damaged after benzylation modification.

适宜条件为：氯化苄对竹粉羟基的摩尔比3，反应温度80℃，时间2h。原本球磨竹粉在苄基化改性后结晶结构发生了破坏。

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The numerical simulation indicates that, larger biasing current and smaller detuning expand the dynamic range of conversion efficiency and extinction ratio, but worsen the frequency chirp.

数值模拟表明：增大偏置电流、减小失谐量有利于扩展转换效率及消光比的动态范围，同时恶化了频率啁啾的动态范围；

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There was no difference in pH value, standard bicarbonate radical and head wet/ dry ratio between the head injury groups and control group.

颅脑损伤组pH、标准碳酸氢根、脑湿/干比与对照组比较无明显差异。

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Method Bone mineral density and plasma activity of tartrate-resistant acid phosphatase and serum concentrations of albumin, total calcium, ionized calcium, bicarbonate and urinary Ca/ Cr ratio were measured in 43 normal pregnancy and postpartum women and 21 women for control.

方法：对43例正常妊娠期及产后恢复期和21例健康妇女对照组分别测定骨密度、抗酒石酸酸性磷酸酶、血清白蛋白、总钙、离子钙、碳酸氢根、尿Ca/Cr比值。

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The ratio of dry matter distribution to annual branch, biennial branch and capillary root was higher than weeping peach. That to coarse and fine roots was lower than weeping peach. 5.

柱型桃干物质分配到一年生枝、二年生枝及毛细根比例高于垂枝桃，而分配到粗根和细根的比例低于垂枝桃。

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Hydrology has obvious characteristics of the upper reaches of the Yangtze, water density, bifurcation ratio, bend coefficient and fractural have close relationship with regional structure, Neotectonics and seismic.

水文具有长江上游的典型特征，河网密度、分歧率、弯曲系数及分维均与区域构造、新构造运动和地震成正相关关系。土壤具有岩性差异背景及垂直谱带性。

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In the plot of vegetation removal, the high individual density caused the higher bifurcation ratio, the larger branch angle to horizon, longer branch length and narrow crown, which benefited growing fast and increasing competitiveness for light.

在清除植被的干扰样地中，由于高的植株密度使得树种形成较高的分枝率、大枝倾角、长枝条、窄小的树冠，以快速生长而摆脱受压状态。

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In empirical formula is presented for the calculation of the bifurcation discharge ratio with the effect of the river training works taken into consideration.

根据试验结果，文中还提出了本河段整治后分流比计算的经验公式。

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Using the blend of epoxy resin and phenolic resin as binder, whose functional group molar ratio was 1:3, and the total resin content was 17wt%.

粘结剂使用EP和PF的共混树脂，其官能团摩尔比为1：3，总树脂含量为17wt%。

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