product yield 中文意思是什麼
product yield
解釋
成品收率-
The natural product ( ) - dihydroactinidiolide was synthesized from citral via following steps : cyclization, cyanation, hydrolysis - cycization and dehydration in 40. 24 % total yield
摘要以檸檬醛為原料，經環化、羥腈化、水解關環和脫水4步反應，以40 . 24 %的總產率合成了（ ） -氫獼猴桃內酯。 -
Based on the situation of demand exceeds supply in the market, the author would like to find out the constraints of the water chestnut development by use of pra ( participatory rural appraisal ) in a survey to carry out stakeholder analysis including the water chestnut farmers, government and processing companies. also, the author applied a tool of system theory to analyze the constraints of water chestnut plant production development. the results are as following : the study shows that a main factor that restricts the plant yield ( per unit yield ) and quality ( product quality ) of water chestnut is the low level of prevention and control of water chestnut culms damping - off ; a disease of the water chestnut
針對賀州市荸薺產業發展中的「銷大於產」的突出矛盾，筆者通過運用pra （參與式農村評估）方法，對荸薺種植區的農戶、政府機構、加工流通企業等進行了調查研究，並運用系統科學的方法對荸薺種植系統的不同組成因子的制約因素進行分析，得出研究結論如下：農戶對荸薺稈枯病害的綜合防治水平偏低，制約其荸薺種植的產量（單產）和質量（商品質量） 。 -
When the synthesized acetone cyanamide was first put through a purification treatment and then used for cyanazine synthesis, cyanazine yield was 90 %, while product purity was about 97 % and both quality and yield were consistent across batches
對合成的丙酮氰胺進行精製處理，再用來合成草凈津，草凈津收率90 % ；純度可達97 %左右，且各批次的質量和收率都較穩定。 -
Unfortunately, there was still light pollution although technology was improved many times. to ensure environment protection, wanbao company decided to remove all the old product lines and reinstall the product lines of oxide electrolysis. the total set is 30, and equipped with two 25kg vacuum induce stoves, the yield is 1400 mt per year. the main production are low - zinc low - magnesium lanthanum metal, low - zinc low - magnesium mischmetall, neodymium metal, didymium metal, yttrium metal, dysprosium metal etc
多年來，萬寶公司一直從事氯化物電解生產，雖經多次環保治理，仍有一定污染，為確保綠色環保生產，公司決定將原有生產線拆除，全部改裝成氧化物電解生產，總臺數為30臺，年產量為1400噸，同時配備兩臺25kg真空感應爐。主要生產低鋅低鎂金屬鑭低鋅低鎂混合稀土金屬金屬釹鐠釹金屬 -
In the process of the synthetic experiment with the pearlizer, the researchers focus their efforts on the exploration of the following areas concerning the artificial pearliser : ( 1 ) the material ratio ( 2 ) the amount of the catalyst used ( 3 ) the effect of such technological conditions as temperature and time on the performance of the final product, and ( 4 ) the ester value, acid value, yield rate, and appearance
在這次珠光劑的合成實驗中，我們主要從以下凡個方面進行了探索研究工作: （ 1 ） （探索了珠光劑合成的）原料配比. （ 2 ） （探索了珠光劑合成的）激活劑用量. （ 3 ） （探索了珠光劑合成中的）溫度、時間等合成工藝條件對產品性量的影響. （ 4 ）探索了酯值，酸值、產率、外觀等。 -
The neotame was synthesized from isobutylene, ethylene and aspartame via addition, oxidation, catalytical hydrogenation in 14. 5 % total yield, the physical properties and infrared spectroscopy of product are identical with literature
摘要以異丁烯、乙烯和阿斯巴甜為原料，經加成、氧化和催化氫化等步驟合成了紐甜，總產率14 . 5 % （以異丁烯計） ，產品的物理性質與波譜數據與文獻一致。 -
Flumiclora - pentyl was prepared from p - fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. the yield of the product was 50 %, and the purity was higher than 97 %
摘要以對氟苯酚為原料，首先與氯氣發生反應，生成2 -氟4 -氯苯酚，再經過硝化、還原、縮合等幾步反應得到氟胺草酯，反應總收率達到50 % ，產品純度大於97 % 。 -
Abstract : the esterification of phthalic acid and ethylene glycol under microwave field was studied. the results showed that it could get high yield of product and need less fime to complete the reaction
文摘:觀測了鄰苯二甲酸及乙二醇在微波輻照下的升溫曲線，並研究了鄰苯二甲酸和乙二醇在微波輻照下的酯化反應，結果表明，微波輻照下的酯化反應行為優于常規條件（電爐加熱）下的酯化反應行為。 -
The expected profit rate for the financial product of this issue is only for your reference, which shall not be deemed as the commitment made to the customers for the payment of the financial product yield ; the ultimate yield the customers can obtain shall be subject to the substantial payment by icbc
本期人民幣理財產品預期收益率僅供客戶參考，並不作為中國工商銀行向客戶支付理財收益的承諾；客戶所能獲得的最終收益以中國工商銀行實際支付的為準。 -
Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge
對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點 -
Animal growth or product yield is the ultimate concern of the agriculturalist.
牲畜的生長或其產品的生產量是農學家最關心的問題。 -
The traditional catalyst used in acetal ( ketal ) synthetic reaction is strong inorganic acid. but there is some limits to its use because of its side reaction, strong erosion and liability to pollute the environment. molybdophosphoric acid is used as catalyst and three condensation products are prepared through the direct reaction of aldehydes ( ketones ) and ethylene. in addition, several elements of affecting the reaction is researched. it is proved that molybdophosphoric acid is very active as catalyst in less addition, the product yield is quite high and the quality of reuse is quite good
縮醛（酮）合成反應的傳統催化劑為無機強酸，但由於副反應多、腐蝕性強和易污染環境等缺點，其使用受到限制.用磷鉬酸為催化劑，通過醛（酮）與乙二醇直接反應得到了三種縮合產物.對影響反應的諸因素進行研究，結果表明，用磷鉬酸作催化劑，用量小，活性高，產品收率較高，且重復使用性能較好 -
Abstract : the traditional catalyst used in acetal ( ketal ) synthetic reaction is strong inorganic acid. but there is some limits to its use because of its side reaction, strong erosion and liability to pollute the environment. molybdophosphoric acid is used as catalyst and three condensation products are prepared through the direct reaction of aldehydes ( ketones ) and ethylene. in addition, several elements of affecting the reaction is researched. it is proved that molybdophosphoric acid is very active as catalyst in less addition, the product yield is quite high and the quality of reuse is quite good
文摘:縮醛（酮）合成反應的傳統催化劑為無機強酸，但由於副反應多、腐蝕性強和易污染環境等缺點，其使用受到限制.用磷鉬酸為催化劑，通過醛（酮）與乙二醇直接反應得到了三種縮合產物.對影響反應的諸因素進行研究，結果表明，用磷鉬酸作催化劑，用量小，活性高，產品收率較高，且重復使用性能較好 -
To excute total quality management and keep enhancing product yield rate
2推行全面品保制度，提高產品良品率 -
The results of spiced beef process indicates that by controlling 2 of phosphate, added and 75 % product yield, there could be of no limit exceeding and good quality product
通過醬牛肉的加工試驗表明：磷酸鹽添加量在2 、出品率控制在75 %左右可以既保證產品總磷殘留不超標又有比較好的品質。 -
Mass run product yield maintenance and enhancement. provide weekly improvement plan base on yield
量產產品良率維護和改善。根據當前良率提供每周改善計劃。 -
Abstract : this paper described the new method on synthsizing of furoin using vitamin b1 as catalyst in details, the different influences on the product yield at different temperature or using different solvents washing the product are compared with. the results shows the new method is practicable
文摘:詳細介紹了用維生素b1作為催化劑合成聯糠醛的反應，比較了不同反應溫度、洗滌產物的溶劑對產物收率的影響，說明新的合成方法是安全可行的。 -
The thin slab continuous casting and continuous rolling technology that was adopted by zhugang is an important technological revolution after the development of oxygen converter and continuous casting in the world iron and steel making industry field. in comparison to the conventional hot strip and sheet rolling technology the new technology has advantages such as saving investment cost, increasing finish product yield, decreasing production cost and shorting production cycle in large scale
珠鋼選用的薄板坯連鑄連軋工藝是世界鋼鐵工業領域中，繼氧氣轉爐煉鋼、連續鑄鋼之後的重大技術革命，與傳統的熱軋板材生產工藝相比，它具有節約投資、提高成材率、降低生產成本、大幅度縮短生產周期等優勢 -
The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process
摘要催化精餾技術應用於酯化反應體系，提高了反應的轉化率、原材料利用率和產品收率。 -
The effect of catalyst, epichlorohydrin and base on product yield was studied
研究了催化劑用量、反應原料配比及?用量對產物收率的影響。
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