原酯 的英文怎麼說

中文拼音 [yuánzhǐ]
原酯 英文
ortho-ester
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 酯 : 名詞[化學] （有機化合物的一類） ester
  1. The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized

    摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝，總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。
  2. The operation principle and device to produce acetin and hydroxyethyl acetate for foundry firming agent were analyzed in the paper, and the choice of esterification catalyst and dehydrated agent in the esterifying process also were analyzed theoretically, and finally, the better producing operation device, catalyst and dehydrated agent were obtained

    摘要分析了鑄造用有機酯固化劑酯酸甘油酯和乙二醇醋酸酯合成工藝原理及裝置，同時對有機酯合成工藝條件中脫水劑和催化劑的選擇的理論依據進行了分析，得出鑄造用有機酯固化劑的最佳合成工藝裝置和脫水劑、催化劑。
  3. Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation

    摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料，通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。
  4. The effects of pressure fermentation on barm propagation, the formation and reduction of diacetyl, the formation of higher alcohols and esters, and beer taste were studied in the experiments

    摘要實驗研究了壓力發酵對酵母繁殖、雙乙酰形成及還原、高級醇和酯的形成，以及啤酒口味等方面的影響。
  5. Methods : benzocaine was synthesized from p - nitrobenzoic acid via two steps through esterifying and reduction

    方法：以對硝基苯甲酸為起始原料，經酯化，還原兩步合成苯佐卡因。
  6. Abstract : basing on nitroester migration theory in combustible cartridge case ( ccc ) during its long storage, the method of using indicator strip to determine extent of nitroester migration was suggested

    文摘:根據半可燃藥筒在長期儲存過程中硝酸酯的遷移原理，提出一種利用指示劑帶檢測硝酸酯遷移量的方法。
  7. A mixture of catechin and epicatechin, procyanidin b4, 4 - hydroxy - benzoic acid and ethyl gal - late were purified and identified from grape seed procyanidin extract

    得到2種原花青素的單體： （ + ） -兒茶素和（ - ） -表兒茶素； 1種原花青素二聚體b4 ； 2種其他酚類物質：對羥基苯甲酸及沒食子酸乙酯。
  8. 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。
  9. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明， tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性，及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外，還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  10. 6. investigate the base oil for environment friendly lubricant and then select the composition of colza oil, esters and pao2. discuss on low - temperature flowability theories of vegetable - base lubricants

    對環境兼容潤滑油的基礎油進行了考察，選擇菜籽油、季戊四醇酯和聚-烯烴作為基礎油，並從理論上對植物基潤滑油的低溫流動性原理進行了探討。
  11. Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )

    利用原子力顯微鏡（ afm ）的輕敲（ tapping ）模式，系統地研究了聚-己內酯聚氯乙烯共混體系形成的環帶球晶表面形貌和片晶結構。
  12. Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively

    本課題選用可生物降解材料聚乙丙交酯（ pgla ）為原料，它兼具兩種聚合成分的優點，可以通過調節兩者聚合的配比來調節它的降解周期，使與神經再生的周期相吻合。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織，芯子為直徑2 . 2mm的不銹鋼絲。共製作四種結構神經導管，分別為普通結構神經導管、編織線結構神經導管、加筋結構神經導管和加芯結構神經導管。
  13. Isopropylidene glycerol is prepared by condensation of acetone with glycerol, thereafter it was esterified with octanoyl chloride in pyridine as catalyst, and finally the latter was decomposed with boric acid

    摘要以甘油和丙酮為原料制得異丙叉甘油，其與辛酰氯在吡啶催化下酯化，再經硼酸作用下分解得到單辛酸甘油酯。
  14. 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。
  15. The catalytic mechanism of expansible graphite in esterification and the causes behind the lower esterification were discussed

    推斷了可膨脹石墨在乙酸乙酯合成中的催化作用機理，分析了可膨脹石墨催化乙酸乙酯合成產率偏低的原因。
  16. By using ethyl acetate and water as extractant, oligoprocyanidins were extracted from grape seeds

    介紹了用乙酸乙酯/水作溶劑從葡萄籽中提取低聚原花色素的方法。
  17. Using redox initiation, a kind of room - temperature fast curing two - component adhesive was prepared with expoxy arcylate, other active monomers and additives

    採用氧化還原的引發方式，用環氧丙烯酸酯及其它活性單體和添加劑制備出一種室溫快固型雙組分膠粘劑。
  18. The isodecyl formate is considerably more stable to hydrolytic attack than the isodecyl otrhoformate.

    甲酸異癸酯，較原甲酸異癸酯對水解的破壞作用要安定得多。
  19. Progress in synthetic technology and application of methyl formate produced from methanol

    以甲醇為原料制甲酸甲酯的技術進展及應用
  20. Unsaturated polyphosphoester ( uppe ) containing unsaturated double bonds in main chain was synthesized with fumaric acid, 1, 2 - propylene glycol and phosphorous oxychloride as the initiation materials

    摘要以富馬酸和三氯氧磷為起始原料，合成了主鏈重復結構單元中含不飽和雙健的聚磷酸酯。
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