The maximum N absorption and K absorption of rape seed are under the N225 level.
不同施氮条件下,单、间作油菜地上部钾吸收量没有差异。
Methods Brainstem slices were prepared from postnatal 1~ 5 days mice and stained by RH155, an absorption voltage-sensitive dye, for 20 mi n.
方法自新生小鼠(1~5天)制备离体脑干切片,用吸光性电压敏感染料RH155染色2 0分钟。
There are obvious mutuality in the plant biomass, grain N content, Total amount of N absorption with yield, grain N content have maximal immediate effect to yield.
植株干重、子粒氮含量、总吸氮量与产量显著相关,子粒氮含量对产量的直接影响最大。
The N absorption proportion after silking stage was 40.30%-47.78% of the total, so it was important to provide maize plants with sufficient N in later growth stage for realizing super-high-yield.
超高产夏玉米吐丝后氮素吸收积累量占总积累量的40.30%-47.78%,保证后期氮素养分充足供应对于夏玉米达到超高产水平至关重要;
Plant absorption was not the main mechanism in reduction of both N and P, due to less plant biomass on wetland buffer zone.
缓冲带内的湿地植物量较小,决定了植物吸收并非氮磷去除的主要机制。
The synthesis, physico-chemical properties, absorption enhancing properties, cytotoxic evaluation and solid oral dosage forms of N-trimethyl chitosan chloride were summarized.
对氯化N-三甲基壳聚糖的制备、理化性质、促吸收机制、细胞毒性评价及制剂等方面作一综述。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量,干物质积累动态和养分吸收动态变化特点。
Based on the light absorption property of the formed suspended particle a new method for determining NH3-N by primary-secondary wavelength spectrophotometry was developed.
用依据悬浮颗粒对光吸收原理建立显色反应的主次双波长光度测定氨氮(NH_3 - N)新方法。
A solution culture experiment was conducted to study the dynamics of dry matter accumulation and n, p, K absorption by flue-cured tobacco under different boron concentration.
采用溶液培养方法,研究了不同硼浓度下烤烟干物质积累动态和养分吸收动态变化特点。
Higher efficiency of nutrient acquisition of root in heterogeneous nutrient environment mainly attributed to large absorption of n, p, K in rich nutrient patch.
异质养分环境中的根系具有较高的养分吸收效率主要缘由在富养斑块中对N、P、K大量的吸收。
Ca absorption and tipburn of lettuce were studied under different application of n, k, ca, sprinkler irrigation and border irrigation in open field.
在露地栽培条件下,研究了不同氮、钾、钙水平处理以及喷灌、畦灌对生菜钙吸收和干烧心的影响。
On the contrary, N utilization and absorption by cotton decreased. At harvest, a higher percentage of nitrogen remained in vegetative organs.
与此相反,棉花所吸收的氮量和肥料氮利用率均比纯作春棉降低,收获期有较多的氮素滞留于营养器官和铃壳中。
We also observed absorption of P and N by typhaceae from polluted water.
实验还表明了香蒲对污水中磷有很强的吸收作用,对氮也有一定的吸收。
The chain length distribution of a oligomeric polystyrene sample initiated by n-butyl lithium was determined by high performance size exclusion chromatography on a ultraviolet absorption detector.
用高效尺寸排除色谱以紫外吸收光度计寿检测器,测定了一个以正丁基锂引发的聚苯乙烯齐聚物的链长分布。
Result showed that HPE maize performed a higher N and K absorption efficiency in low P regiment, its N, K absorption and dry matter accumulation were less affected by low P supply.
结果表明,磷高效利用型玉米氮钾素吸收和干物质积累受低磷处理的影响较 小,表现出对 氮、钾的高效吸收。
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用;施硼有利于小麦对磷、钾、锌和锰元素的吸收;
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明,C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移,并在可见光区有一定的吸收系数。
The results show that C, P, N, S doped anatase TiO2 all can cause the absorption band of optical catalysis to red-shift, the absorpotion coefficient in the visible light r.
计算结果表明,C、P、N、S掺杂锐钛矿TiO2都能使TiO2的光催化吸收带在一定程度上红移,并在可见光区有一定的吸收系数。
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