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Thursday, 28 July 2016

नैनो थर्मामीटर : विश्व का सबसे छोटा थर्मामीटर

NANO THERMOMETER
नैनो तकनीक आज विज्ञान जगत में एक क्रांतिकारी संकल्पना के रूप में उभरी है जिसने विज्ञान के क्षेत्र में अनंत संभावनाओं के द्वार खोल दिए हैं। नैनो का अर्थ होता है ‘अत्यंत सूक्ष्म’। 1 नैनोमीटर एक इंच का 2.54 करोड़वां हिस्सा होता है। आज पूरे विश्व में वैज्ञानिक नैनो तकनीक के विकास हेतु नए और बेहतर मार्गों की तलाश में लगे हैं ताकि नैनो तकनीक का इस्तेमाल स्तन कैंसर की पड़ताल से लेकर बेहतरीन टच-स्क्रीन के निर्माण तक सभी वस्तुओं में किया जा सके। किंतु इसमें सबसे बड़ी बाधा यह है कि इतने छोटे स्तर पर तापमान में परिवर्तन की निगरानी करना लगभग असंभव है क्योंकि अभी इस कार्य हेतु उपलब्ध सभी उपकरण अत्यंत बड़े हैं। इस समस्या के समाधान हेतु वैज्ञानिकों ने दुनिया के सबसे छोटे प्रोग्रामेबल नैनो थर्मामीटर का आविष्कार किया है।
  • मॉन्ट्रियल विश्वविद्यालय (कनाडा) के वैज्ञानिकों ने यह खोज की है।
  • इस नैनो थर्मामीटर में वास्तविक DNA अणु का इस्तेमाल किया गया है।
  • यह उपकरण मानव के बाल से भी 20 हजार गुना छोटा है।
  • इस थर्मामीटर की सहायता से नैनो स्केल पर तापमान का मापन संभव हो सकेगा।
  • वैज्ञानिक खोजों में यह पता चला है कि प्रोटीन RNA तथा DNA अणु, जैव प्रणालियों में एक नैनो थर्मामीटर की भांति कार्य करते हैं तथा एक निश्चित तापमान पर मुड़ने (Fold) तथा फैलने (Unfold) के द्वारा तापांतर को प्रदर्शित करते हैं।
  • DNA रसायन विज्ञान अपेक्षाकृत सरल और प्रोग्राम किए जाने योग्य है। अतः इनका इस आण्विक थर्मामीटर में प्रयोग अधिक उपयुक्त पाया गया।
  • उल्लेखनीय है कि DNA (डीऑक्सीराइबो न्यूक्लिक एसिड) सभी जीवों के गुणसूत्रों में पाया जाने वाला आनुवंशिक सूचनाओं का वाहक होता है।
  • DNA में मूलतः चार न्यूक्लियोटाइड्स होते हैं-एडेनिन (A), थायमिन (T), साइटोसिन (C) तथा गुआनिन (G)।
  • DNA में ये न्यूक्लियोटाइड्स आपस में बंध बनाते हैं, जैसे-A तथा T आपस में कमजोर बंध जबकि C तथा G आपस में मजबूत बंध बनाते हैं।
  • इस सरल डिजाइन के नियमों का उपयोग करके एक ऐसा सरल मैकेनिज़्म बनाया गया जो कि दिए गए तापमान पर DNA अणु के मुड़ने तथा फैलने पर विवश कर देता है।
  • इन DNA संरचनाओं में प्रकाशीय संवाददाता (Optical Reporters) को शामिल करके 5 नैनो मीटर चौड़े थर्मामीटर बनाए जा सकते हैं जो कि तापमान क्रियाविधि के रूप में आसानी से ग्राह्य संकेतक (Signals) उत्पन्न कर सकते हैं।
  • नैनो थर्मामीटर यह पता लगाने में सहायक सिद्ध होगा कि-
    (i) क्या जिस प्रकार शरीर का तापमान 37o सेल्सियस होता है उसी प्रकार शरीर की प्रत्येक कोशिका के भीतर नैनो स्केल पर तापमान में अंतर पाया जाता है?
    (ii) क्या मानव तथा लाखों वर्षों में प्रकृति द्वारा विकसित नैनोमीटर तथा नैनो मशीन भी उच्च दर पर कार्य करने पर अत्यधिक गर्म हो सकते हैं?
    निकट भविष्य में अब इस बात की प्रबल संभावना है कि DNA आधारित इस नैनो थर्मामीटर का उपयोग इलेक्ट्रॉनिक उपकरणों में लगाकर स्थानीय तापमान में परिवर्तन की निगरानी हेतु किया जाए।

Wednesday, 27 July 2016

Today's Question (History)


iz'u &adkLV (Caste) 'kCn dk iz;ksx loZizFke fdlus fd;k Fkk&a

       ¼A½ iqrZxkyh
       ¼B½ usikyh
       ¼C½ eqfLye
       ¼D½ fgUnqLrkuh

mRrj & ¼A½ iqrZxkyh

O;k[;k & Caste ¼tkfr½ 'kCn] iqrZxkyh 'kCn Casta ls fy;k x;k gSA ftldk vFkZ uLy (race) ;k oa'k ;k dqy (pure stock) gksrk gSA Hkkjr esa tkfr O;oLFkk dks O;Dr djus ds fy, dksbZ ,d 'kCn ugha gSA fHkUu&fHkUu 'kCn bl O;oLFkk ds fofHkUu igyqvksa dks O;Dr djrs gSA buesa ls nks izeq[k 'kCn & o.kZ vkSj tkfr gSA

TODAY'S WORD (27-July-2016)


http://maaannapurnapublications.com/word-power-by-Dilip-Kushwaha-for-competition-exams
(VERB)

Hindi Meaning -   mrkj nsuk] Qsd nsuk] R;kx nsuk

English Meaning - To remove from the body,
                                To take off in greeting or as a sign of respect.

Use  - He doffed his hat to her as she passed in her carriage.

Synonyms  -  Unroll, take off, unload, throw off, spill out,                                  remove, peel (off), shrug off



Antonyms  -   Don, put on , throw on

Monday, 25 July 2016

WORD POWER BOOK


WORD POWER BOOK
With Fully Solved Practice Sets & Previous Exam Papers
http://maaannapurnapublications.com/word-power-by-Dilip-Kushwaha-for-competition-exams
ISBN NO. - 978-81-928903-1-9
Author - Dilip Kushwaha
Publisher - Maa Annpurna Publication 
Price - 350/- Rupees
Availability - In Stock
Purchase - Click Here

Description about Book------
Word Power by Dilip Kushwaha, Allahabad, is the most esteemed book of our publication and it is well known to most of the competitive students. Now we have launched its revised edition in the form of New Enlarged Word Power on 5th October 2013, which has been warmly welcomed by the students who had been waiting for it eagerly for a long time. This book has made the preparation of our students easier. Our competitive WORD POWER contains mainly four sections
One word Substitution
Synonyms & Antonyms
Spelling Correction
Idioms & Phrases
These portions have a great importance and play a vital role in your success. Approximately more than 60% questions, directly or indirectly are related to WORD POWER. If we want sure success, we cant over look Word Power.
Our New Enlarged Edition of WORD POWER is composed in such a manner that produces an interest even in a less laborious student. Chief & Essential features of Word Power.
The book consists of more than 1200 One Word Substitutions which are divided in different segments for better learning and understanding.
It consists of more than 2100 Synonyms & Antonyms which have been explained with its Hindi meanings.
The Book also consists of more than 2300 Spelling Correction with its meaning.
Idioms and Phrases which are more than 1400 are the best part of the book.
These are the selected words which have been mostly asked during the last two decades.
The book also consists of Practice Exercises which make it very important. Every part carries more than 20 or 22 Practice Exercises. Through which a student can check his real status.
Previous year question papers in form of assessment have also been given with their Answers and Explanations with each section. The book is fully updated with the question papers up to 2013.



















OBJECTIVE GENERAL ENGLISH


OBJECTIVE GENERAL ENGLISH
With Fully Solved Practice Sets & Previous Exam Papers
http://maaannapurnapublications.com/objective-general-english-for-competition-exams/objective-general-english-for-competition-exams
Ojective General English BY Dilip Kushwaha
ISBN NO. - 978-81-928903-0-2
Author - Dilip Kushwaha
Publisher - Maa Annpurna Publication 
Price - 500/- Rupees
Availability - In Stock
Purchase - Click Here


SSC CGL 2016

If you are a Government Job Dreamer and particularly looking for Government Jobs under the Central Govt and Ministries, then you must go for SSC Combined Graduate Level Exam 2016. This exam is abbreviated as CGL Exam and it is an All India Entrance Exam, for which Graduates can apply and appear.

To appear in this exam, you just need to be a Graduate. Since this is a Graduate Level Exam, therefore, it is an open opportunity for all the graduates of India. In this post, we will share the complete Details of SSC CGL Exam 2016. We will discuss each and every thing right from Notification to the declaration of results. Not only the factual information, we will also share the actual Information.Even, we will share the Books, Study Material and Question Papers of SSC CGL Exam-2016.

Why you must appear in SSC CGL Exam 2016 ?
1) SSC CGL 2016 Exam, is the one for those, who are looking for Group B Jobs under the Central Govt Departments and Ministries. Who is this India, dont want a Job, that offers reputation along with High Perks and Salary.2)  Jobs through SSC CGL 2016  are High Paying and Reputed Jobs and even freshers can apply for these. As the implementation of 7th Pay Commission in the pipeline, the salaries, are likely to be increased by 40 to 50%.3) You, must appear for the exam in 2016, because with every increasing year, the competition will increase, there be making it difficult to get the Government Job. The average, no. of students, who appear in the SSC CGL Exam, every year, from the Last 5 years ranges between, 12 lakh to 16 lakh. What a Whooping Competition. !4) This Jobs through SSC CGL 2016, comes with All India Service, means, you have to serve anywhere in India, there by giving you the opportunity to discover "Incredible India"5) Chances of Promotion are much higher in these posts, and this is expected, that you will get promotion as Gazetted Officer in just a span of few years.

SSC CGL-2016 NOTIFICATION-
The Exact Notification Date for SSC CGL Exam 2016, will be known, only when the SSC will release its Examination Calendar for 2016. However, it is expected that, the Notification will be out in the month of March /April 2016.

The Notification for SSC CGL 2016 will be published in the Employment Newspaper and the PDF document will be uploaded on the Official Website of SSC (ssc.nic.in)

Who can apply for SSC CGL 2016 exam?
Applicants who are willing to apply and appear in the SSC CGL 2016, must full fill the below mentioned eligibility conditions-
1) Age-Limit: The minimum required age is 18 years and maximum required age is 28 years.Age Relaxations are there as per the Government of India Rules.
2) Educational Qualification: The minimum required Qualification is Graduation only. However for some specific posts there is need of additional Qualification. More, will be discussed, when the Official CGL 2016 Notification will be out.














Today's word (25-July-2016)

http://maaannapurnapublications.com/word-power-by-Dilip-Kushwaha-for-competition-exams

(ADJECTIVE)

Hindi Meaning -   Hksnd

English Meaning - Producing a feeling of  being purified emotionally, spritually, or phychologically as a result of an intense emotional experience or therapeutic technique

Use  - The strength of the strength of the movie had acathartic effect on her

Synonyms  - Clairvoyant, Perceptive, Discerning, Penetrative



Antonyms  -   Dirtying

Saturday, 23 July 2016

Today's Question (23-july-2016)

Read the sentence carefully and find out grammatical error-

The manager ordered to remove (A) / all the pieces of furniture (B) / which were useless. (C) / No error. (D)

Today's Word (23-July-2016)

http://maaannapurnapublications.com/word-power-by-Dilip-Kushwaha-for-competition-exams

(ADJECTIVE NOUN)

Hindi Meaning -  fookfgr] oSokfgd

English Meaning - related to marriage, or the relation between  
                                husband and wife

Use  - They are throughly enjoying their initial years of     
           connubial bliss.

Synonyms  - Matrimonial, Wedded, Married, Spousal,Marital

Antonyms  -   Nonmarital

Monday, 18 July 2016

18-JULY-2016 WORD


 Arrears
(PLURAL NOUN)

Hindi Meaning - _.k”ks’k] cdk;k

English Meaning - money that somebody owes that they have not paid at the right time 

Use  - The Uttar Pradesh government has agreed to pay all arrears owed to members of the Education Board. 

Synonyms  - Remaining, Rest, Savings, Balance due

Antonyms  -  Paid, Credit, Front