Research on soil acidification and acidic soil' s melioration.

土壤酸化和酸性土壤改良研究。

The blood plasma was dealt with by acidified methyl alcohol,and the content of cefditoren in blood plasma was measured by HPLC.

以酸化后的甲醇處理血漿精品视频国产狼友第28页，采用高效液相色譜法對(duì)血漿中頭孢妥侖的含量進(jìn)行測(cè)定日韩网络福利直播网站在线观看视频。

Hydrogen nitrate powder acidizing is to mix solid hydrogen nitrate powder and hydrochloric acid in certain proportions to generate strong oxidizing nitrosyl chloride, which can violently and locally dissolve rock and blocked material without destroying formation structure, to make through oil path and improve formation permeability.

硝酸粉末酸化工藝技術(shù)，是利用固體硝酸粉末與鹽酸以一定的比例混合后性欧美野外激情，生成氧化能力很強(qiáng)的氯化亞硝酰欧美性网入口。

In addition, the relation between AVS in sediments and heavy metals in overlying water was poorly studied.

AVS的存在增加了沉積物的吸附容量，但AVS經(jīng)過(guò)酸化被除去后亚洲天堂网2020，與沉積物結(jié)合的重金屬元素就會(huì)釋放出來(lái)女人啪啪视频。

In 2003,on the whole the soils in Wujiang were little acid, pH from 6.40±0.38 to 5.40±0.55now, and the trend of acid was in Tailake region. The available phosphorous in Paddyfield were significantly lower than. the other five land use patterns. As a result,controlling the phosphorous output form vegetable field mulberry yard and other dryland might be more significant to control the non-point pollution in Tailake region.

吳江市土壤基本上屬微酸性土壤，2003年耕地監(jiān)測(cè)中土壤pH值由1982年的6.40+0.38變?yōu)?.40±0.55国产日韩欧美色另类，可見(jiàn)近20年來(lái)太湖地區(qū)普遍存在的酸化趨勢(shì)免费的黄色网站能看A片；在稻田、林地女性自慰A级毛片、桑園三级黄,色、菜地、果園色页视频、旱地六種常見(jiàn)的土地利用方式中色e网，稻田土壤速效磷顯著低于其它五種利用方式中；因此www一级www刺激黄片，在控制太湖地區(qū)磷的面源污染上日本jizzjizz，控制菜地、桑園和其它旱地土壤磷的輸出可能更為迫切国产精品露出走光福利。

It was verified that the particle size of more than 90% of the acidic phosphorite powder was less than 4.227 μm, and more than 90% of activated phosphorite powder was less than 220 nm.

采用掃描電鏡觀察欧美中文字幕日韩综合、X－射線衍射分析、激光粒度測(cè)試国产又黄又粗又长又刺激视频，證明了90%的酸化磷礦粉粒徑為4.227 μm日韩精品免费手机版在线观看，90%的活化磷礦粉粒徑達(dá)到220 nm。

E. Coli polynucleotide phosphorylase was isolated and purified with a purification factor of 68 times.

本文的第一部分報(bào)導(dǎo)了從大腸桿菌中分離多核苷酸■酸化酶的工作黄在线观看www页站。

E.Coli polynucleotide phosphorylase was isolated and purified with a purification factor of 68 times.

本文的第一部分報(bào)導(dǎo)了從大腸桿菌中分離多核苷酸砱酸化酶的工作人人澡人人摸人人舔人人看。

Treatment of printing and dyeing wastewater by anaerobic baffled reactor in a pilot plant has been studied.

摘要］對(duì)印染廢水進(jìn)行了擋板式水解酸化中試試驗(yàn)。

Enhancing gas well producibility by acided-fracturing is the necessary measure of all Qianmiqiao bruied hill condensate gas reservoir prospect and exploitation well.

采用酸化壓裂增加氣井產(chǎn)能的方法已成為千米橋潛山凝析氣藏所有探井和開(kāi)發(fā)井的必要措施日韩欧美国内自拍视频。