干土

热季各种表面温度由高到低排列顺序为：干土、水泥路面、砖墙、花岗石、裸土、空气温度、植物表面、湿土、水面；

In the summer , surface temperatures rank from high to low as follows : dry ground > cement road surface > brick wall > stone > naked soil > air > plant surface > humid soil > water .

干土吸水很快。

Dry earth absorbs water quickly .

在应用微氢醌电极法测定土壤的pH时，对干土所得的结果与玻璃电极数值一致；

For the measure-ment of pH value of air-dried soils , the difference between the micro quinhydrone electrode and the glass electrode was insignificant .

结果表明：滨海风砂土的磷酸吸收系数最小，每100克干土固定P2O5的量小于100mg；

Results of analysis showed that PAC in coastal eolian sandy soil was minimum , for every 100 g.

在H2和CO2生长的产甲烷菌数量，晚稻在分蘖盛期明显增高，到乳熟期可高达3.1×10~（11）个/克干土；

That on H_2 / CO_2 increased significantly at the vigorously tillering stage of late rice , reaching 3.1 × 10 ~ ( 11 ) / g dry soil at milk ripening stage ;

其中在7d内，可以放线菌作为呋喃丹污染的预警指标，其预警阈值为≤10mg／kg干土。

Actinomyces can be as warning index of carbofuran pollution and the warning threshold value is 10mg / kg dried soil within 7 days .

每100g干土接种50、100和200个卵，可使生姜分别减产27.91%、37.73%和42.14%。

G. , under inoculating 50,100 and 200 M.incognita eggs per 100 g soil , ginger yield decreased by 27.91 % , 37.73 % and 42.14 % , respectively .

本文建立了一种用于测量植物表面土壤粘附量的￣（137）Sc中子活化分析方法，其测量下限为0.05mg（干土）／g（干植物）。

To determine this contribution , a method was established by the use of ￣( 46 ) Scneutron activation analysis with a detection limit of 0.05 mg soil per g dry plant biomass .

DEHP对微生物产生影响的最低可见效应浓度（LOEC）为0.01g·kg-1干土；

Lowest observed effect concentration ( LOEC ) of DEHP on activity of microorganisms was found to be 0.01 g · kg - 1 in dry weight of the soil ;

土壤样品（干土或湿土，湿土含水量为50%田间持水量）中6种PAHs的方法回收率均高于85%，RSD则低于3.1%；

As to the soil samples including the dry soil ( DS ) and wet soil ( WS , 50 % of the field holding capacity ), the recoveries of these PAHs were always larger than 85 % with RSD smaller than 3.1 % .

对拥有280hm2盐渍化草地的临泽草地生态试验站的基本研究表明，土壤盐分含量3.6g／100g干土左右，属硫酸盐为主的盐渍化土壤。

The basic research on Linze Grassland Ecological Test Station owning 280 hm 2 salinity grassland showed that contents of salt in soil were about 3.6 g per 100 g dry soil , it was salinity soil which was mainly sulphate salt .

为分析气体对干土中弹性波传播特性的影响，基于Biot理论推导了两相介质平面波动解，以及孔隙流体自由流动和孔隙无渗流两种极限情况下的波速公式。

To analyze the effect of air on the propagation characteristics of elastic wave in dry soil , based on Biot 's theory , the plane wave solutions in porous two-phase medium were derived and the velocity formulations for free fluid and no fluid situations were obtained .

当硫磺的施用量为0.2g/kg干土和0.4g/kg干土时，可使小白菜体内的硝酸盐含量分别比对照降低41.6%和47.4%。

When the elemental sulphur was applied at rate of 0.2 and 0.4 g / kg soil , NO ~ - _3-N content in Brassica chinensis was decreased by 41.6 % and 47.4 % , respectively , compared with check plot .

结果表明，土壤水分含量和施氮量对产量影响显著，其中W2N2（土壤水分下限为60%Q，0.2gN/kg干土）产量最高；

The results indicated that there was a significant effect of nitrogen fertilizer rate and soil water content on the yield . W2N2 ( soil water lower limit 60 % Q , 0.2gN/kg dry soil ) obtained the highest yield .

结果可退化为干土结果并进行了对比。

The results were compared with those of the dry layered site .

水稻芽种拌干土粉处理对机播性能的影响

Influence of Rice Bud Seed Mixed With Dry Soil Powder on Seeding Performance

雨滴击溅可分为干土溅散、泥浆溅散、层状侵蚀三个阶段。

Raindrop splashing can be divided into three stages , namely dry soil splashing , mud splashing and lager erosion .

将经过风干、过筛后的2种旱地红壤加水培养，并和新鲜土培养条件相比较，研究干土效应对土壤生物组成及矿化与硝化作用的影响。

Effects of rewetting of air-dried red soil on soil biota composition , nitrogen mineralization and nitrification were studied in the laboratory .

获得最高籽粒产量86.6g/盆的土壤含水量为占干土重的19.0%、施氮量为2.6g/盆。

Amounts for highest yield ( 86.6 ) g / pot were nitrogen ( 2.6 g / pot ) and soil moisture 19.0 % .

你们知道，莲子要种在泥土里面，因为在干土里它长不好。

You know that a lotus seed has to be planted in mud with water because it does not grow well in dry soil .

拌干土粉芽种的播种量变异系数为6%，比芽种裸籽的播种量变异系数小2.27%；

The variation coefficient of uniformity of a drilling is 6 % , which is 2.27 % less than the rice bud seed without mixed with dry soil ;

甲烷氧化菌数量在早稻生长期间从10~3～10~4/g干土增加到生长后期的10~8/g干土。

The amount of methane-oxidizing bacteria was about 103-104 / g dry soil during the earlier stage and 108 / g dry soil during the latter stage in earlier rice .

运用数理统计分析、数学建模及计算机优化方法，建立了在湿土和干土两种条件下的影响因素与甘蔗破头率之间的数学模型；

Then , by means of the statistical analysis , mathematical model establishment and computer optimization technique to establish the mathematical model between affecting factors and the rate of broken sugarcane .

分析了土壤光谱响应机制，将土壤的反射光谱信息分解为干土反射、水分反射和水膜镜面反射三部分。

The principle of soil spectrum response was analyzed and the reflected spectral information was decomposed into three parts : dry soil reflectance , water reflectance and mirror reflectance of water membrane .

此时它一片干土，来年战士们又会引来甜美的渠水，一片片绿油油的稻田又会发出那迷人的芳香。

Now it was only a piece of dry land , but would turn into rice fields , green and lush , attractive all around , after being irrigated by the soldiers next year with the sweet water from the dyke .

条播试验结果表明，拌干土粉芽种的播种量标准差为3.6粒，比芽种的播种量标准差少1.36粒；

Test result shows that the rice bud seed is mixed with dry soil powder , the standard variation of a drilling is 3.6 seeds , which is 1.36 seeds less than the rice bud seed without mixed with dry soil ;

结果表明，低频下气体对干土中波传播的影响不大，但由于气体的高动粘滞性，高频时气体的作用不可忽略；

The results show that the air has a slightly influence on the propagation characteristics of elastic waves in dry soils at low frequency , but the air can not be neglected at high frequency due to the high dynamic viscosity .

水稻芽种拌入一定量的干土粉后可以减小芽种之间相互粘连，降低芽种与播种机各部件接触表面之间的粘附力，提高机械播种精度和降低播种过程中的种子损伤率。

Rice bud seed mixed with dry soil powder can reduce their internal cohesion force and the adhesion force acted on the surface of a seeder parts , can increase dispersion coefficient , and decrease the broken seed rate when seeding .

在甲酸钠和乙酸钠基质中生长的产甲烷菌数量，晚稻在分蘖盛期较高，分别达3.7×10~8个/克千土和1.2×10~8个/克干土；

The amounts of MPB grown on formate and acetate were higher , about 3.7 × 10 ~ 8 / g dry soil and 1.2 × 10 ~ 8 / g dry soil respectively at the vigorously tillering stage of late rice ;

横断山北部高山区土壤微生物区系组成中，细菌数量占绝对优势，放线菌次之，真菌最少，总数可达1.06×10~7cfu·g~（-1）干土以上。

Among soil microbes , bacteria were predominant , actinomyces were the next , and fungi were the least . Soil microbe quantity was 1.06 × 10 ~ 7 ( cfu · g ~ ( - 1 ) dry soil ) at least .