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phosphorus相关的网络例句

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与 phosphorus 相关的网络例句 [注:此内容来源于网络,仅供参考]

Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized.

欧阳平,陈国需,李华峰,无硫、磷的六元含氮杂环化合物用作润滑油多效添加剂的研究

Homocyclic peptide libraries were constructed by self-assembly of amino acids with the assistance of inorganic phosphorus reagents.

在无机磷试剂辅助下建立了氨基酸自组装成均环肽的方法,得到了相应的均环肽库。

The illicit synthesis of this compound has been achieved most commonly by the reductive amination of phenyl-2-propanone 2, by the Leuckart formamidation of 2 followed by hydrolysis or by the reduction of ephedrine or pseudoephedrine 3 with hydriodic acid and red phosphorus.

此化合物非法合成的方法有,通过1-苯基-2丙酮的还原胺化作用;通过1-苯基-2丙酮的洛卡特氐反应后进行水解生成;在红磷、氢碘酸的参与下,通过还原麻黄素或伪麻黄素合成。

The ability of Hydrodictyon reticulatum to remove nitrogen and phosphorus under different environmental condition was studied. The results show that H.

研究了不同环境条件下,水网藻对N、P的吸收能力,结果表明,水网藻在富营养化水体至污水一级、二级处理出水中的N、h农度条件下,对N、P均有较强的去除能力,6天内的最大去除率分别为67.3%和gi%。

The growth and the removal ability of total, total phosphorus of Hydrodictyon reticulatum were studied under different Linear Alkyl Sulfonate concentration.

研究了不同浓度十二烷基磺酸钠在模拟水体中,对水网藻生长情况以及其氮、磷吸收能力的影响。

Hydrodictyon reticulatum ; environmental condition ; nitrogen ; phosphorus ; eutrophic

水网藻;环境条件;氮;磷;富营养化

The changes of total nitrogen and total phosphorus concentration in solutions with total saccharides released by two kinds of algae,the Hydrodictyon reticulatum in artificial culture medium and the microalgae in a medium whose nutrient is supplied by bed mud from lakes,were studied respectively.

分别研究了水网藻在人工培养液培养下,微藻在以湖底泥为营养源培养下,藻代谢总糖浓度与溶液中总氮浓度、总糖与总磷浓度随培养时间的变化情况,结果表明两两均呈现一种反向变化关系。

Spatial distribution of the soil organic matter content was uniform overall in the county, but total nitrogen, hydrolyzable nitrogen, available phosphorus and potassium concentration distributed as zone or lump styles.

全县2000年耕地土壤机质含量的空间分布较为均一,全氮、水解氮、速效磷和速效钾含量各级别间的空间分布以块状或带状分布为主。

Fox T R%Comerford N B Rhizosphere phosphatase activity and phosphatase hydrolyzable organic phosphorus in two forested spodosols 10.1016/0038-0717(92)90083-A Soil Biology and Biochemistry , 1992,null

曹靖%张福锁低磷条件下不同基因型小麦幼苗对磷的吸收和利用效率及水分的影响植物生态学报, 2000,6

Sum up under the same condition, NT has more advantages than CT onthose indexes of hydrolyzable nitrogen ,available phosphorus and potassiumin 0-20cm soil layer while there are no evidently difference underneath 20cmsoil layer.2.2 In NT fertilization zone and mantle zone, contents of organic matter in0-40cm soil layer are higher than that in CT.

和常规处理相比,免耕施肥区处理 N3T和覆盖区处理 N3TC 在 0-20cm 土层显著提高了有机质含量,其中覆盖区增加效果显著。2.3 和常规耕翻处理相比,成熟后免耕处理在 0-20cm 土层土壤显著降低了土壤容重和增加了毛管孔隙度和非毛管孔隙度,显著提高了土壤总孔隙度。3 免耕对土壤中不同形态氮素以及土壤水分含量变化的影响3.1 土壤铵态氮拔节期至成熟期是免耕处理和常规处理铵态氮显著差异的形成时期。

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