新生碳 的英文怎麼說
中文拼音 [xīnshēngtàn]
新生碳
英文
juvenile carbon-
Studies on the preparation of aragonite whisker and its growth mechanism are meaningful at theory and practice to develop traditional calcium carbonate industry, new materials and theory of crystal growth
制備文石相碳酸鈣晶須的研究對促進我國傳統碳酸鈣產業、新材料的開發以及晶體生長理論的發展都具有重要的理論意義和實踐意義。Human augmenter of liver regeneration ( halr ) is a novel cytokine which stimulates specifically hepatic cell proliferation and is able to rescue acute liver failure caused by hepatotoxin for example carbon tetrachloride and galactosan amine et al
人肝再生增強因子( humanaugmenterofliverregeneration , halr )是一種新的細胞因子,能特異性地刺激肝源細胞的增殖,並對四氯化碳、半乳糖胺等肝毒劑引起的肝損傷有治療作用。This machine adopts tungsten carbidewith scraper surfacing welding and bottom plate made of diabase cast stone with simple and close structure, easy repair, economical and wearable performance and high productivity
該機採用刮板堆焊碳化鎢輝綠巖鑄石底盤等新技術,具有結構簡單緊湊維修方便經濟耐用生產率高等特點。Composed of micro diamonds, aluminum oxide, and silicon carbide, the isotopic distribution of these grains bore the telltale marks of their birth : ancient supernovas and red giant stars, that shone brightly and then flickered out, billions of years ago, before the birth of the solar system
由微金剛石、鋁氧化物、碳化硅組成的這些微粒的同位素分佈透露出它們的誕生:那些數十億年前,在太陽系尚未誕生時,曾經閃耀並最終熄滅的古老超新星和紅巨星。We adopt new production process of cold ends, so our sic heating elements have excellent specific rate of heat zone resistance and cold end resistance, saving energy, long life, avoiding over - temperature of cold ends to damage the furnace body. the commercial name of our sic heating elements is songshan silca heating elements
我們的碳化硅電熱元件採用新的冷端部生產工藝,具有優良的熱冷端電阻比,節能、壽命長,同時避免了因冷端部溫度過高對爐體造成的損害。A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts
摘要報導了空氣(或氧氣)存在的條件下,由高氯酸引發多苯基取代環戊二烯發生新穎的碳碳鍵斷裂擴環反應,在此反應中,氧原子插人到環戊二烯環中形成相應的六元環吡喃鹽類化合物。Yet as the nascent carbon - offsetting industry starts to take shape, a new problem is emerging
目前初生的碳抵消行業開始成形,產生了一個新的問題。The leading products comprise tetra acetyl ethylene diamine ( taed ) ( 10, 000mtyear ), sodium percarbonate ( spc ) ( 20, 000mtyear ), sodium perborate ( spb ) ( 5, 000mtyear ), sodium acetate and solid peracetic acid. the company is located in hangzhou bay fine chemical zone, which is adjacent to the well - known shanghai and ningbo ports and enjoys the geographical advantage as part of the most prosperous yangtzi river delta. it covers a plant area of 600, 000 square meters in shangyu and has its sales headquarter established in the capital city of zhejiang province, hangzhou
系由國家級重點高新技術企業金科科技集團控股發起設立的股份有限公司,創建於2001年5月,地處中國經濟最具活力的長江三角洲地區,杭州灣南岸的杭州灣精細化工園區毗鄰上海港與寧波港,現廠區佔地880苗,擁有員工600餘名,專業生產過碳酸鈉( spc ) 、四乙酰乙二胺( taed )和固體過氧乙酸。New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、季?鹽催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展;同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。In mexico, for example, an innovative series of projects that generate electricity from piggery waste have been approved under the clean development mechanism. these projects will not only decrease greenhouse gas emissions by 310, 000 tonnes of carbon dioxide equivalent each year. they support pork producers and create local skilled jobs
墨西哥開展了一系列利用豬糞發電的革新項目並已獲得清潔發展機制( cdm )批準,這些項目每年將減少相當於31萬噸二氧化碳溫室氣體的排放,這不僅有利於豬肉生產廠家,也為當地創造了更多的就業機會。Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。Tianjin is located at north part of northern china plain, where is rich in thermal water in sedimentary basin. the main reservoir is carbonate rocks of the paleozoic and upper and middle proterozoic group, which contain thermal waters with temperature of more than 90. the cap rock is cenozoic sedimentary rocks with thickness of more than 1000m, which contains thermal water with temperature from 25 to 70 in 13 sandstone layers. the temperature of thermal water is steady growth along with the deepen of basin. all thermal waters in different aquifers are medical mineral waters, which is conducive to good health
天津位於華北平原的北部,那裡的沉積盆地含有豐富的地下熱水。主要的熱儲層為古生界和上中元古界的碳酸鹽巖層,所含熱水的溫度略高於90蓋巖層為新生界沉積層,在13個砂巖含水層中含有2570的熱水。熱水的溫度隨盆地深度的增加而增加。Taking into account the fact that most of the sites in south china are located in limestone caves where speleothem formations may often be found in stratigraphic context, this chronometer should be promising in addressing the issues of human evolution
我國南方的晚期智人遺址中常有與文化堆積互層的鈣板和其它形態的新生碳酸鹽巖發育,這些材料有可能為古人類活動提供可信的年代界限。Toc in the source rocks of the third section and the fourth section of nenjiang, mingshui group, sifangtai group, cenozoic is lower. the average of toc is 0. 8 % ~ 0. 9 %, and the samples of toc > 1 % are less 40 %
濱北地區嫩江組三、四段,明水組,四方臺組和新生代地層中的泥巖有機碳普遍較低,均值僅為0 . 8 0 . 9 , toc 1的樣品均不足總樣品的40 。U - series dating of compact and well crystallized cave calcites, with its fairly high reliability, is commonly used for hominid fossil sites
純凈緻密、結晶良好的洞穴新生碳酸鹽巖鈾系年代的可信度已為學術界廣泛接受。While u - series dating of compact and well crystallized cave calcites, with its fairly high reliability, is widely used for hominid fossil sites
與此相比,純凈緻密、結晶良好的洞穴新生碳酸鹽巖的鈾系年代已為學術界普遍認可。We have carried out 230th / 234u dating on several intercalated calcite samples. the results show that the capping flowstone layer and the second one are holocene in time. the fourth flowstone layer is of an age of 55 ka, and the fifth one 110 ka
新生碳酸鹽鈾系法測年顯示,張口洞堆積所代表的時間跨度比原認為的長得多,這一結果支持我國中、晚更新世人類遺址原有年代框架被總體壓縮的觀點。We have carried out th / u dating on intercalated calcite samples. the results show that the capping flowstone layer is of an age of 94 ka, and the second one 220 ka. the fossil - bearing deposits which are bracketed by the two flowstone layers should be of an age between 94 and 220 ka
新生碳酸鹽巖與骨化石的鈾系測年結果表明:該地點覆蓋含人牙化石堆積的表層鈣板在約94ka以前開始形成,堆積疊壓的鈣板年代為約220ka ,人牙化石的年代應介於兩者之間。Thus, carbon dioxide injects new life into old fields
因此,二氧化碳為老舊油田注入了新生命。Content of the project : utilize co2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc
項目內容:利用二氧化碳資源,新建碳酸二甲酯、顆粒乾冰粉、水楊酸、輕質氧化鮮、碳酸鈉、乙撐脲生產線。分享友人