查询词典 basic bismuth nitrate

The nitrate content and nitrate reductase activity increased significantly with increasing of the nitrogen concentration.

随着氮浓度的增加，生菜叶片的硝酸盐含量和硝酸还原酶活性显著升高。

To solve the problems of nitrate and heavy mental pollution in vegetable products, some research works were conducted by our research group, including the controlling of the nitrate content in hydroponic lettuce by regulating nutrient formula, in addition, studies on the effects of Cd on the growth and quality of lotus root and investigations of vegetable field pollution were also conducted.

本方向根据我国蔬菜生产中硝酸盐和重金属污染比较突出的问题，重点开展了水培生菜的硝酸盐控制技术、重金属镉对莲藕生长发育、蔬菜菜田污染成因与防控等方面的研究，建立了多种蔬菜的标准化安全生产操作规程，为蔬菜安全生产提供了有力的技术支撑。

Results showed that spraying KCl solution every other day for 15 days from late flowering decreased nitrate content in the leaf and stem, promoted nitrogen redistributed to silique, increased nitrate reductase activity in the leaf. After spraying 1% KCl solution does not affect the fresh weight of rapeseed. And more obvious differences between the species, different varieties of the same deal with the differences between the more significant.

结果表明，喷施氯化钾溶液能有效降低油菜茎叶硝酸盐含量，与喷施硫酸钾溶液和清水相比达到了显著水平；有效促进了氮素向角果分配；喷施氯化钾还可以增强叶片硝酸还原酶的活性，但不影响喷洒后采样时油菜总的鲜质量；而且品种之间处理后的差异比较明显，同一品种不同处理之间的差异也比较显著。

Spraying KCL solution every other day for 15 days start from late flowering, results showed that nitrate content in the leafs and stems were markedly reduced, Nitrogen redistributed to silique and rapeseed were efficiently promoted, nitrate reductase activity in the leaf were markedly increased. The differences of the same species which under different treatment are more serious, and the differences of the different species which under the same treatment are more significant.

结果表明，喷施氯化钾溶液能有效降低开花期和收获期油菜茎叶硝酸盐含量，与喷施硫酸钾溶液和清水相比达到了显著水平；有效促进了氮素向角果和籽粒分配，显著增强了油菜角果初期叶片硝酸还原酶的活性；同一品种不同处理之间的差异比较显著，品种之间处理后的差异也比较明显。

Nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru.

智利和秘鲁的硝酸钠沉积物中含硝酸盐的岩石或砾石。

The concentration percentages of GSH and polypeptides were approximately by 108, 208 and 329% under sodium sulfate, 113, 194 and 401% under sodium nitrate, and 174, 408 and 472% under equal mixtures of sodium sulfate and nitrate as compared with distilled water cultured, respectively.

其结果显示在阳光和水分充足的情况下，增加硫原子及氮原子的来源可增加 GSH在植物体茎部组织中的含量，如此便可与正常植物相比较，进一步了解环境污染的程度。

The mixed solution of sodium nitrate and aluminium nitrate is added to thequartz raw materials, and then the mixture, is.

在石英玻璃原料中加入一定浓度的硝酸钠和硝酸铝混合溶液，进行高温处理，使石英中杂质转变成易溶于混合酸或水的物质，实现了杂质与石英基体的分离，从而达到用低纯度的石英原矿生产高纯度的石英玻璃原料的目的。

The SiO2-Al2O3-d catalyst was modified with different metal nitrates. It indicates that cadmium nitrate and strontium nitrate could improve the catalytic activity obviously.

用不同种类、不同浓度的金属硝酸盐，对SiO2-Al2O3-d催化剂进行改性研究，发现Cd(NO3)2和Sr(NO3)2改性后，活性和使用寿命较SiO2-Al2O3-d有所提高，而Mg(NO3)2、Ca(NO3)2、Ni(NO3)2改性后的催化剂，活性反而有所降低。

The results indicated that with the increasing of storage time, the leaves etiolated, contents of crude-fiber increased, while vitamin C, chlorogenic acid decreased, nitrate contents up to the maximum at the 3th day after storage , then decreased gradually. Stored at 2℃, the contents of chlorophyll, vitamin C, chlorogenic acid were higher, nitrate and crude-fiber contents were lower. The lower of membrane permeability and MDA content, the higher activity of SOD significantly delayed senescence process and prolonged storage life of Taraxacum mongolicum.

结果表明：采后蒲公英随着贮藏天数的增加，叶片逐渐黄化，粗纤维的含量升高，维生素C和绿原酸含量下降，硝酸盐含量先升高后降低；2℃下贮藏能够使采后蒲公英具有较高的叶绿素、维生素C、绿原酸，较低的硝酸盐和粗纤维含量，较低的细胞膜渗透率、MDA含量和较高的SOD活性，显著地延缓其衰老进程，延长贮藏寿命。

Methods After extracting the samples, the reaction between thymol and nitrate produced nitrothymol in the presence of sulphuric acid; then nitrothymol was made to react with sodium hydroxide; determination was made on the concentration of nitrate by spectrophotometry at 412 nm.

样品经提取，其中的硝酸盐在硫酸酸性条件下，与麝香草酚生成硝基化合物，再与氢氧化钠作用，生成黄色化合物，在波长412nm处用分光光度法测定食品中硝酸盐含量。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。