maturation 中文意思是什麼

These maturation changes still occur even when spermatozoa are confined to caput epididymidis by ligatures.

用結扎的方法將精子限制在附睪頭內，這些成熟變化仍可能發生。

The development of a multicellular organism results from the selective expression of genes and the maturation of proteins is dependent on molecular chaperons

多細胞生物體發育的實質是基因的選擇表達性，表達蛋白的成熟則有賴于分子伴侶的協助。

Extracting iron from pyrite cinder by maturation

硫鐵礦燒渣制備聚合硫酸鐵新工藝

With development and maturation of citrus fruit, chlorophyll content of citrus fruit peel decreased, being acompanied by a gradual decrease in a - carotene and p - carotene which are known to be in the upstream of carotenoid biosynthesis pathway. the decrease continued up to complete vanishment of the carotenes. on the other hand, p - cryptoxanthin, p - citraurin and zeaxanthin that are in the downstream of carotenoid biosynthesis pathway increased steadily and became the principal carotenoid components

隨著柑橘果實發育和成熟，果皮葉綠素含量下降，與此同時，位於類胡蘿卜素生物合成途徑上游的-胡蘿卜素、 -胡蘿卜素等胡蘿卜素成分逐漸下降直至消失，而在類胡蘿卜素生物合成途徑下游的-隱黃質、 -檸烏素、玉米黃素等葉黃素成分逐漸上升，使得類胡蘿卜素總量先略微下降后迅速上升；果實褪綠並呈現其特徵色澤。

The results showed that : seed vigor attained maximum value when the seed dry weight reached maximum value during seed maturation

研究結果表明：新麥草種子活力隨著種子的成熟而逐漸增加並於種子獲得最大幹重時，活力達到最高。

4 ) the enucleated rate ( 88. 23 % ) of the mouse maturation oocytes were improved in the medium containing 10 ? ug / ml ccb

研究發現10土5ug ml的ccb有利於去核（去核率為88

In this study, we found that enucleated maturation oocytes of bovine and mouse can only support nuclear transfer embryos to develop to morula

60o和8 50o的桑堪胚發育；重組胚胎在mi99和改良的czb中培養，分別獲得16 41o和17

According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

根據金魚草幼苗初生維管系統導管分子發育的時空性，即子葉和子葉節區下部導管分子先形成，然後向下形成下胚軸-根區的導管分子，最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接，據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。

1992, a novel defensin molecule in the epididymis for sperm maturation science

， 1992 ） 、發現從附睪頭部分泌的一個新防禦素及其對精子成熟的影響（ 《科學雜志》

Together with the previous findings, the present results suggest that bin1b plays dual role in the epididymis, both as a defensin and a regulator of sperm maturation

兩項研究結果確定了bin1b基因的雙重作用，既是防禦素，同時也能調節精子成熟過程。

Fully grown xenopus oocytes can remain in their immature state essentially indefinitely, or, in response to the steroid hormone progesterone, can be induced to develop into fertilizable eggs. this process is termed oocyte maturation

介紹：爪蟾卵在成熟過程中可以無限期的停留在未成熟狀態，直到在激素的刺激下，成為可受精的卵細胞，這個過程稱為卵成熟。

During male gametogenesis, the spermatogonia became primary spermatozoa through mitosis, and then became fourth equivalent cytoplasm, round sperm through meiosis. after maturation, they participated in embryo development with the mature oocyte through fertilization. but in female gametogenesis, the primary oocyte formed a matured egg and 1 ~ 3 polar bodies ( pb )

雄性動物精子發生過程中精原細胞最後一次有絲分裂形成二倍體精母細胞后，經過兩次減數分裂形成了四個含等量細胞質、圓形的精子細胞，最終發育成四個具有正常生理功能的精子，與成熟卵母細胞受精后參與胚胎發育。

Germinal vesicle ( gv ) transfer is a technique developed in recent years, which may be a valuable research procedure to study cell cycle regulation and characterize the cytoplasmic - nuclear interplay during maturation and fertilization of oocytes

生發泡（ gv ）移植是最近幾年才建立起來的一種技術。通過gv移植可以研究細胞周期調控、成熟及受精時細胞核與細胞質之間的相互作用。

Protein kinase a is camp - dependent kinase, one of the most important signal transduction pathways, plays a pivotal role in growth, differentiation, tumor occur, cell cycle control, etc. pka activators such as camp, 8 - br - camp or phosphodiesterase ( pde ) inhibitor isomethyl butyl xanthine ( imbx ) or purified pka catalytic subunit all can inhibit germinal vesicle breakdown ( gvbd ) and meiotic maturation in mouse oocytes, also in xenopus oocytes

蛋白激酶a （ proteinkinasea ， pka ）是依賴于camp的絲蘇氨酸蛋白激酶，是重要的信號傳導途徑之一，廣泛參與許多生命過程，包括生長、分化、腫瘤發生、細胞凋亡、細胞周期調控等。以小鼠卵母細胞為實驗對象，給予pka激動劑camp 、 8 - br - camp或磷酸二酯酶抑制劑imbx （ isomethylbutylxanthine ）均可抑制小鼠卵母細胞的胚泡破裂及減數分裂成熟。

Camptotheca acuminata is a tree unique to china, producing terpenoid indole alkaloid ( tia ) 10 - hydroxycamptothecin ( hcpt ) and camptothecin ( cpt ), which possess strong anti - cancer bioactivity. the dynamics of hcpt and cpt during seed maturation, seed germination, post - germinative development and daily growth were measured by hplc ( high performance liquid chromatography )

應用高效液相色譜技術對我國特有樹種? ?喜樹（ camptothecaacuminata ）在種子形成、成熟、萌發、幼苗生長及高溫脅迫過程中喜樹堿和10 -羥基喜樹堿的代謝動態進行了詳盡的研究。

Background : in - vitro maturation ( ivm ) of human oocytes would be an attractive alternative to gonadotrophin stimulation for in - vitro fertilization ( ivf ). it could avoid the complications of gonadotrophin stimulation and reduce the cost of drugs. however, the efficiency of existing ivm technique is suboptimal because embryos resulting from ivm oocytes exhibit frequent cleavage blocks and low implantation rate

研究背景：近20年來，輔助生育技術有了突飛猛進的發展，體外受精、卵漿內單精子注射技術（ intracytoplasmicsperminjection ， icsl ）和種植前遺傳學診斷技術的成熟標志著人類生殖醫學進入了嶄新的領域，但同時也不能否認，在這一領域中還存在諸如妊娠率低、藥物副作用和多胎率高等問題。

Rat cumulus - enclosed oocyte ( ceo ) and denuded oocyte ( do ) both spontaneously resume meiotic maturation in vitro, when cultured for 2h, the germinal vesical breakdown percentage of do reaches up to 88 %, and ceos get 53 %. oocytes begin to extrude first polar body 1 ( fb1 ) when cultured for 8h. mouse oocyte spontaneous maturation in vitro can be inhibited by 4mm hypoxanthine ( hx ) or 25um 3 - isobutyl - methylxanthine ( ibmx ). while, 4mm hx can not inhibit the spontaneous maturation of rat oocyte, and the lowest effective concentration of ibmx to inhibit rat oocyle spontaneous maturation in vitro is 50um. treated with the same concentration of ibmx, gvbd percentage of rat ceo is lower than that of do, the results indicat that cumulus cells delay rat oocyte spontaneous maturation and potentate the inhibition effect of ibmx, but it ' s not the case on mouse

Ceo和do培養8h時都開始排出pb1 ；在卵母細胞成熟抑制模型中， 4mm次黃嘌呤（ hx ）和25 m的異丁基甲基黃嘌呤（ ibmx ）是小鼠卵母細胞成熟的有效抑制劑，但4mm的hx抑制大鼠卵母細胞成熟效果不理想，用hx - m199和hx - mem培養24h ， gvbd率分別為61 ， 81 ，而ibmx有效抑制大鼠卵母細胞自發成熟的最小濃度為50 m ， ibmx可以降低大鼠ceo和do的gvbd率，但ceo中的卵母細胞gvbd率要顯著低於do的gvbd率， 100 m的jbmx處理24h后，大鼠ceo和do的gvbd率分別為24 ， 84 ，提示卵丘細胞的存在可以延遲大鼠卵母細胞的自發成熟，有助於抑制卵母細胞成熟，但在小鼠上ceo和do的自發成熟差異不明顯。

The security market of china have got great development in the past 15 years, it have gradually grown into maturation from infantilism. the growth of security market makes the security investment funds a better circumstance to develop

一、選題背景及意義我國證券投資基金從成立的第一天起，就以「專家理財、組合投資、分散風險、穩定市場」的形象出現在證券市場，吸引著投資者的目光。

The result indicated that the activity of neutral invertase increased was gradually with the maturation of sugarcane in all sugarcane leaves, but the other two enzymes activities were reduced at the same period

結果表明，在甘蔗成熟期，葉片的酸性轉化酶活性隨著甘蔗的成熟而降低，中性轉化酶活性隨著甘蔗的成熟而升高，澱粉酶活性在成熟期都呈下降趨勢。

These maturation changes still occur.

這些成熟變化仍可發生。