Experts say warm days, cool nights and a medium soil temperature are the best conditions for growing carrots that taste great.
专家称白天温暖、夜间凉爽的天气环境加上适中的土壤温度是种植口感良好的胡萝卜的最佳条件。
Based on the constitutive framework of unsaturated soils established by the continuum porous medium soil mechanics, an elastoplastic model for unsaturated soils in triaxial stress state is formulated.
基于连续介质土力学的本构模型框架，提出了一个三轴应力状态下的非饱和土本构模型。
The primary growing medium, what the plants draw nutrients from, is actually soil, not water.
主要的生长介质，也就是植物吸收营养的来源，实际上是土壤，而不是水。
The soaked soil is in a state of fusion, as it were; all its molecules are in suspension in soft medium; it is not earth and it is not water.
土地浸湿以后象已溶解，它的所有分子都处于稀软的状态中，它已不是土地，但也不是水，有时还很深。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中，提出了梯度土介质的概念。
The richness of culturable fungi in soil treated by medium and high concentration acetochlor was decreased irreversibly.
种群丰富度系数分析结果表明，高、中浓度乙草胺处理可使土壤可培养真菌种群丰富度不可逆地降低。
The former considers the main factor of producing soil adhesion is medium water between interfaces.
前者的主要观点为：介质水是形成界面土壤粘附的主要因素；
In this paper the theory of stochastic medium widely used in mining industry is introduced into the calculation of surface and soil mass movements and deformation due to foundation pit excavation.
使用矿业工程中广为应用的随机介质理论和方法，计算深基坑开挖引起的地表及土体变形，并据此探讨深基坑边坡的稳定性。
Soil is an important medium in which various organic pollutants can exist, while photodegradation is an effective abiotic transformation means for organic pollutants in surface soil.
土壤是承载有机污染物的重要介质，而光降解是降解土壤表层有机污染物的一种非常重要的非生物转化途径。
The paper applies the nonlinear soil yield law of "principle of effective stress" based on porous medium to study influence of pressure distribution to adhesive force.
本文采用基于多孔介质下“有效应力原理”的土壤非线性屈服准则来研究压力分布对附着力的影响问题。
Soil is a typical unconsolidated medium, and it is one of the most popular questions that the simulation for the generation and fracture of soil agglomerate with adhesive particle DEM.
土壤是典型的松散介质，利用粘连的颗粒离散元模型模拟土壤聚团的行成及破裂一直是散体力学的热点之一。
There is a relationship on soil polyphenol oxidase betweenforming of soil organic matter and medium of forming humus.
土壤多酚氧化酶与土壤有机质的形成有关，是腐殖化的一种媒介。
Wave motion response of tunnel lining embedded in unbounded nonuniform soil medium is studied.
研究了不均匀岩土介质中隧洞衬砌的波动响应。
Soil, atmosphere and plant are the important carbon pools in forest ecosystem, among which, plant is the main medium linking the carbon exchange between soil and atmosphere.
土壤、大气、植物是森林生态系统的重要碳库，植物是大气和土壤交换碳元素的重要介质。
It is good plant helps advance somebody's career medium and soil improvement product.
是优良的植物栽培介质和土壤改良产品。
Taking the aqueous sandy soil in hot summer and warm winter area as a heat transfer medium, studies the influence of seepage on heat transfer characteristics of the soil by a simulating experiment.
以夏热冬暖地区富水土壤砂质土为传热介质，进行了水渗流对其传热特性影响的实验模拟研究。
Two grades of yearly input of organic fertilizer has been suggested for the organic matter balance of medium or low productive soil respectively.
提出了中、低产田在各保持两个量级有机质平衡对，每年应投入各有机物料的数量。
With reference to its physico-mechanical property indexes, load tests and soaking load tests at natural temperatures indicate that the salt lick soil has medium compressibility and wet depressibility.
根据土的物理力学性质指标，天然湿度下载荷试验和浸水载荷试验，认为：盐渍土是具有中等压缩性和湿陷性的土。
Under stratum condition of thick soil layer, we can study it as random medium and use probability integral method to estimate surface movement.
在厚松散层地层结构条件下，可将其视为随机介质，采用概率积分法预计地表移动变形。
In the application of elastoplastic medium theory, the rock and soil are assumed to be elastoplastic medium, and the stress change due to tunnel excavation can be calculated, too.
应用弹塑性介质的本构理论，视岩体为弹塑性体，得到隧道开挖引起的地层应力变化计算公式、计算程序。
According to the complex geological phenomena in rock and soil medium and the features of strata, a three dimensional strata model is established.
根据岩土介质中复杂的地质现象及其地层的层状展铺特性，建立了三维地层模型。
The soil were divided into five groups of soil, e, g, light clay, heavy loam, medium loam, light loam and sandy soil, using the group of soil texture of plowed layer as the mapping unit.
以耕层土壤质地类别作为制图单位，分为轻粘土、重壤土、中壤土、轻壤土和砂质土五种类型。
For interaction problems between pile and infinite soil medium, a semi-analytical numerical solution is presented in this paper.
本文对于桩基与无限土体介质的相互作用问题讨论一种半解析数值解法。
The herbaceous peat of mesic and medium—ashes is mainly used for the nutrition soil, nutrition—bowl, fuel, extracting humic acid, and made into humic fertilizer.
半纤维质中灰分的草本泥炭主要用作营养土、营养钵、燃料、提取腐殖酸类物质和制造腐殖酸类肥料。
The soil consolidation can be simulated by using a finite element numerical model of fluid-solid coupling of fluid seepage in a deformable porous medium.
针对饱和土固结问题，利用可变形多孔介质中流体渗流的流固耦合有限元数值模型，对该问题进行了数值模拟。
Fertilizer, soil treatment agent, soil treatment method, and soil-less medium.
肥料，土壤处理剂，土壤处理方法和无土介质。
Based on the theory of Rayleigh wave propagation in layer medium, the variation of wave velocity can reflect the variation of rock and soil mechanical property.
根据瑞雷面波在层状介质中的传播理论，波速的变化可以反映出岩土力学性质的变化。
Rice medium was used to identify the species groups of genus of Fusarium fungi selected by Komada or No. 1 selective culture medium from soil.
选择镰刀菌用驹田或植选1号培养基，在米饭培养基上划分镰刀菌种群，用试管法或盆栽作致病性测定，以检测土壤中棉花枯萎病致病菌。
The medium material, sealing soil in low contents of heavy metal and enlarged stipe strain were key to measure of approaching to lower contents of heavy metals in fruit body.
选择重金属低污染的培养料、覆土土壤和粗柄型菌株是实现姬松茸子实体重金属低富集的关键措施。
The medium material, sealing soil in low contents of heavy metal and enlarged stipe strain were key to measure of approaching to lower contents of heavy metals in fruit body.
选择重金属低污染的培养料、覆土土壤和粗柄型菌株是实现姬松茸子实体重金属低富集的关键措施。
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